{"id":6856,"date":"2026-04-24T01:53:54","date_gmt":"2026-04-24T01:53:54","guid":{"rendered":"https:\/\/korea-transmission.com\/?post_type=product&p=6856"},"modified":"2026-04-24T06:36:14","modified_gmt":"2026-04-24T06:36:14","slug":"pto-shaft-for-john-deere-flail-shredder-520","status":"publish","type":"product","link":"https:\/\/korea-transmission.com\/fr\/produit\/pto-shaft-for-john-deere-flail-shredder-520\/","title":{"rendered":"Arbre de prise de force pour broyeur \u00e0 fl\u00e9aux John Deere 520"},"content":{"rendered":"

Arbre de prise de force fiable pour les broyeurs \u00e0 fl\u00e9aux John Deere<\/h2>\n

Arbre de prise de force pour broyeur \u00e0 fl\u00e9aux John Deere, mod\u00e8le\u00a0: 520<\/strong><\/p>\n

L'arbre de prise de force (PDF) pour broyeur \u00e0 fl\u00e9aux John Deere 520 de CMN Transmission est un arbre de PDF agricole de pr\u00e9cision, con\u00e7u sp\u00e9cifiquement pour r\u00e9pondre aux exigences \u00e9lev\u00e9es de transmission de puissance de la s\u00e9rie John Deere 520. Fonctionnant \u00e0 la vitesse standard de 1\u00a0000 tr\/min, cet arbre de transmission utilise un joint homocin\u00e9tique CAT 6 PW580 pour une transmission de couple fluide et sans vibrations sur toute la largeur de coupe de 6 m\u00e8tres (20 pieds) du broyeur 520. Con\u00e7u pour supporter des charges de pointe jusqu'\u00e0 270 ch et une puissance continue de 180 ch, cet arbre de PDF robuste est sp\u00e9cialement con\u00e7u pour le broyage de tiges de coton, de riz, d'ananas, de ma\u00efs et de sorgho, o\u00f9 l'int\u00e9grit\u00e9 structurelle est primordiale. L'interface cannel\u00e9e standard 1,750-20 assure une compatibilit\u00e9 directe avec la plupart des sorties de tracteur, tandis que des combinaisons de cannelures alternatives restent disponibles pour les configurations non standard, faisant de cet arbre de PDF de remplacement une solution v\u00e9ritablement flexible.<\/p>\n

Que ce soit pour de vastes champs cultiv\u00e9s, des accotements routiers ou des vergers, cet arbre de transmission de prise de force pour broyeur \u00e0 fl\u00e9aux offre des performances fiables et constantes, saison apr\u00e8s saison. Con\u00e7u par CMN Transmission, cet arbre de transmission pour broyeur \u00e0 fl\u00e9aux remplace directement les configurations d'arbres de prise de force Weasler et les transmissions d'origine comparables, \u00e9liminant ainsi le besoin d'adaptateurs ou de cales. Il est compatible avec plusieurs mod\u00e8les de roue libre (F5\/1R, F5\/2R, F5\/1L) avec diff\u00e9rents diam\u00e8tres et cannelures, conform\u00e9ment aux sp\u00e9cifications d'usine int\u00e9gr\u00e9es par John Deere \u00e0 la plateforme 520. Certifi\u00e9 ISO 9001 et CE, chaque arbre de transmission de prise de force pour broyeur \u00e0 fl\u00e9aux quitte notre usine apr\u00e8s avoir subi des contr\u00f4les rigoureux de dimensions, de couple et de qualit\u00e9 de rev\u00eatement. C'est l'arbre de transmission de prise de force que m\u00e9rite votre John Deere 520.<\/p>\n

\"Arbre<\/p>\n

Arbre principal : CAT 6 PW580 \u00e0 vitesse constante<\/h2>\n

La plupart des tracteurs utilisent une cannelure 1.750-20, d'autres combinaisons sont disponibles.<\/p>\n

Remarque : les joints universels PW580 et 2580 sont dimensionnellement identiques.<\/p>\n

Cependant, aucune des pi\u00e8ces d\u00e9tach\u00e9es n'est interchangeable.<\/p>\n

\"Arbre \"Arbre<\/p>\n

Certains mod\u00e8les utilisant un arbre principal sans joint homocin\u00e9tique\u00a0: S\u00e9rie CAT 6 2500<\/h2>\n

\"Arbre<\/p>\n

Les broyeurs \u00e0 fl\u00e9aux John Deere sont \u00e9quip\u00e9s d'un dispositif de d\u00e9passement<\/strong><\/p>\n

Exigences d'entr\u00e9e du broyeur
\n<\/strong><\/h2>\n

Dispositifs de d\u00e9passement de la s\u00e9rie 2500<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Dispositifs de surcharge<\/strong><\/td>\nMod\u00e8le<\/th>\nDiam\u00e8tre<\/th>\nSplines<\/th>\nConnexion<\/th>\n<\/tr>\n
\"Dispositifs<\/td>\n\u00a0F5\/1R<\/td>\n\u00a01.750<\/td>\n\u00a020<\/td>\n\u00a0Serrer<\/td>\n<\/tr>\n
\u00a0F5\/1R<\/td>\n\u00a01.750<\/td>\n\u00a06<\/td>\n\u00a0Serrer<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.750<\/td>\n\u00a020<\/td>\n\u00a0serrer<\/td>\n<\/tr>\n
\u00a0F5\/1R<\/td>\n\u00a01.375<\/td>\n\u00a06<\/td>\n\u00a0Collier de ballon<\/td>\n<\/tr>\n
\u00a0F5\/1R<\/td>\n\u00a01.375<\/td>\n\u00a021<\/td>\n\u00a0Serrer<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.750<\/td>\n\u00a06<\/td>\n\u00a0Verrouillage CC<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.750<\/td>\n\u00a06<\/td>\n\u00a0Verrouillage CC<\/td>\n<\/tr>\n
\u00a0F5\/1L<\/td>\n\u00a01.375<\/td>\n\u00a06<\/td>\n\u00a0SERRER<\/td>\n<\/tr>\n
\u00a0F5\/1R<\/td>\n\u00a01.375<\/td>\n\u00a06<\/td>\n\u00a0Collier AS<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.750<\/td>\n\u00a020<\/td>\n\u00a0serrer<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.75<\/td>\n\u00a020<\/td>\n\u00a0serrer<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.75<\/td>\n\u00a06<\/td>\n\u00a0serrer<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.375<\/td>\n\u00a06<\/td>\n\u00a0serrer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Sp\u00e9cifications du broyeur \u00e0 fl\u00e9aux John Deere 520<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Mod\u00e8le<\/th>\n520 Tir\u00e9s<\/th>\n520 Int\u00e9grale<\/th>\n<\/tr>\n<\/thead>\n
Besoins en \u00e9nergie<\/strong><\/td>\n<\/tr>\n
vitesse de prise de force<\/td>\n1\u00a0000 tr\/min<\/td>\n1\u00a0000 tr\/min<\/td>\n<\/tr>\n
exigences de puissance de la prise de force du tracteur<\/td>\n120 ch (90 kW) minimum<\/td>\n140 ch (104 kW) minimum<\/td>\n<\/tr>\n
Bo\u00eete de vitesse<\/td>\n270 ch (201 kW) maximum ;
\n180 ch (134 kW) en continu ;
\nGarantie de 2 ans<\/td>\n		270 ch (201 kW) maximum ;
\n180 ch (134 kW) en continu ;
\nGarantie de 2 ans<\/td>\n<\/tr>\n
Couteaux<\/td>\n<\/tr>\n
Nombre de couteaux<\/td>\n248 (124 paires)<\/td>\n248 (124 paires)<\/td>\n<\/tr>\n
Dimension du couteau<\/td>\n0,31 x 2,5 po (8 mm x 64 mm)<\/td>\n0,31 x 2,5 po (8 mm x 64 mm)<\/td>\n<\/tr>\n
montage de couteau<\/td>\nanneau en D<\/td>\nanneau en D<\/td>\n<\/tr>\n
Type de couteau<\/td>\nAcier alli\u00e9, recharg\u00e9, tremp\u00e9
\navec du carbure de vanadium, r\u00e9versible<\/td>\n		Acier alli\u00e9, recharg\u00e9, tremp\u00e9
\navec du carbure de vanadium, r\u00e9versible<\/td>\n<\/tr>\n
Superposition des couteaux<\/td>\n1,07 po (27,4 mm)<\/td>\n1,07 po (27,4 mm)<\/td>\n<\/tr>\n
vitesse de la pointe du couteau<\/td>\n139 mph (224 km\/h)<\/td>\n139 mph (224 km\/h)<\/td>\n<\/tr>\n
Rotor<\/td>\n<\/tr>\n
vitesse du rotor<\/td>\n2\u00a0000 tr\/min<\/td>\n2\u00a0000 tr\/min<\/td>\n<\/tr>\n
Dimensions du rotor<\/td>\nRotor carr\u00e9 7 x 7 pouces<\/td>\nRotor carr\u00e9 7 x 7 pouces<\/td>\n<\/tr>\n
Type de roulement<\/td>\nRoulements \u00e0 double rang\u00e9e de cylindres, triple \u00e9tanch\u00e9it\u00e9 ;
\ngarantie illimit\u00e9e de 2 ans<\/td>\n		Roulements \u00e0 double rang\u00e9e de cylindres, triple \u00e9tanch\u00e9it\u00e9 ;
\ngarantie illimit\u00e9e de 2 ans<\/td>\n<\/tr>\n
Dimensions op\u00e9rationnelles<\/td>\n<\/tr>\n
largeur de coupe<\/td>\n20 pieds (6,1 m)<\/td>\n20 pieds (6,1 m)<\/td>\n<\/tr>\n
Hauteur de coupe<\/td>\n3 po \u00e0 10 po (76 mm \u00e0 254 mm)<\/td>\n3 po \u00e0 10 po (76 mm \u00e0 254 mm)<\/td>\n<\/tr>\n
Largeur de fonctionnement<\/td>\n21 pi 3 po (6,48 m)<\/td>\n21 pi 3 po (6,48 m)<\/td>\n<\/tr>\n
Dur\u00e9e de fonctionnement<\/td>\n10 pi 7 po (3,23 m)<\/td>\n10 pi 7 po (3,23 m)<\/td>\n<\/tr>\n
Dimensions de transport<\/td>\n<\/tr>\n
largeur de transport<\/td>\n2,39 m (7 pi 10 po) dans le sens de la longueur<\/td>\n21 pi 3 po (6,48 m)<\/td>\n<\/tr>\n
longueur de transport<\/td>\n24 pi 1 po (7,34 m) dans le sens de la longueur<\/td>\n7 pi 10 po (2,39 m)<\/td>\n<\/tr>\n
Poids (approximatif)<\/td>\n5 000 lb (2 268 kg)<\/td>\n4 376 lb (1 985 kg)<\/td>\n<\/tr>\n
Ascenseur<\/td>\nRelevage arri\u00e8re, v\u00e9rin \u00e0 distance standard<\/td>\nN \/ A<\/td>\n<\/tr>\n
Attelage<\/td>\nN \/ A<\/td>\nCat. 3 ou 3N\u00a0; attache rapide requise<\/td>\n<\/tr>\n
Roues\/pneus<\/td>\nQuatre 6PR 7,60-15<\/td>\nDeux 6PR 7.60-15 ; quatre en option<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Caract\u00e9ristiques de l'arbre de prise de force pour broyeur \u00e0 fl\u00e9aux John Deere<\/h2>\n

1. Joint homocin\u00e9tique CAT 6 PW580<\/strong>
\nLe joint homocin\u00e9tique PW580, \u00e9l\u00e9ment central de cet arbre de transmission de prise de force, permet au tracteur d'effectuer des virages serr\u00e9s sans d\u00e9sengager le broyeur ni provoquer d'\u00e0-coups dans la transmission. Contrairement aux joints de cardan classiques des arbres de prise de force, sa g\u00e9om\u00e9trie \u00e0 vitesse constante garantit une distribution du couple parfaitement uniforme quel que soit l'angle de fonctionnement, r\u00e9duisant consid\u00e9rablement les vibrations, l'usure des roulements et la fatigue de la courroie du rotor de votre John Deere 520.<\/p>\n

2. Dispositif de d\u00e9passement int\u00e9gr\u00e9 s\u00e9rie 2500<\/strong>
\nJohn Deere 520 Flail Shredders are equipped with an overrunning clutch requirement, and this 540 PTO shaft-compatible driveline fully supports 2500 Series overrunning devices. The overrunning mechanism decouples the heavy rotating rotor from the tractor driveline the moment the PTO is disengaged, preventing dangerous inertial torque spikes from damaging the tractor’s transmission, gearbox, or this PTO drive shaft assembly itself.<\/p>\n

3. Compatibilit\u00e9 multi-splines<\/strong>
\nThe standard configuration features a 1.750-20 spline PTO shaft yoke that fits most modern tractors directly. However, alternative spline counts (6-spline, 21-spline) and shaft diameters (1.375 in.) are available to accommodate diverse tractor models. This flexibility makes CMN Transmission’s shaft a versatile custom PTO shaft solution for operators running mixed-fleet machinery or older tractor models paired with the John Deere 520 shredder.<\/p>\n

4. Construction robuste en acier<\/strong>
\nThe PTO shaft tube and outer components are manufactured from high-grade structural steel with precision tolerances held throughout the machining process. The PTO shaft tubing profile is designed to telescope smoothly under field loading without binding or galling, even when heavily loaded. Surface treatments including zinc phosphating and anti-corrosion coatings protect against rust in wet field conditions, ensuring PTO shaft dimensions remain stable throughout the product’s service life.<\/p>\n

5. Protection int\u00e9grale de l'arbre de prise de force<\/strong>
\nLa s\u00e9curit\u00e9 de l'op\u00e9rateur est primordiale. Le carter de protection de l'arbre de prise de force (PDF) inclus est fabriqu\u00e9 en polym\u00e8re r\u00e9sistant aux chocs et couvre toute la longueur de rotation de l'arbre. Ce carter est fix\u00e9 c\u00f4t\u00e9 tracteur et c\u00f4t\u00e9 outil par des cha\u00eenes afin d'emp\u00eacher toute rotation avec l'arbre, conform\u00e9ment aux directives de s\u00e9curit\u00e9 CE et aux normes agricoles \u00e9quivalentes \u00e0 celles de l'OSHA applicables aux arbres de PDF des tracteurs sur la plupart des march\u00e9s.<\/p>\n

6. Protection contre les surcharges des boulons de cisaillement<\/strong>
\nPour prot\u00e9ger les composants co\u00fbteux de la transmission lors de blocages soudains du rotor, la conception de cet arbre de prise de force \u00e0 boulon de cisaillement int\u00e8gre des \u00e9l\u00e9ments de boulon de cisaillement calibr\u00e9s avec pr\u00e9cision au niveau de l'interface de connexion. En cas de choc ou de blocage du rotor, la goupille de cisaillement c\u00e8de avant que le couple ne se propage et n'endommage les bo\u00eetes de vitesses, les roulements ou la transmission du tracteur. Les pi\u00e8ces de rechange pour l'arbre de prise de force, y compris les goupilles de cisaillement, sont facilement disponibles et peu co\u00fbteuses, ce qui minimise les temps d'arr\u00eat sur le terrain.<\/p>\n

7. Pi\u00e8ce de rechange d'origine compatible<\/strong>
\nCon\u00e7u pour remplacer directement l'arbre de prise de force Weasler et les unit\u00e9s OEM \u00e9quivalentes, cet arbre ne n\u00e9cessite aucun adaptateur, entretoise ou usinage suppl\u00e9mentaire. La g\u00e9om\u00e9trie de l'adaptateur d'arbre de prise de force est conforme aux sp\u00e9cifications d'origine du John Deere 520, ce qui simplifie l'installation par un simple glissement et verrouillage. Les clients signalent r\u00e9guli\u00e8rement l'absence de probl\u00e8mes de montage lors du remplacement d'unit\u00e9s Weasler ou Walterscheid us\u00e9es par cet \u00e9quivalent CMN Transmission.<\/p>\n

\"Arbre<\/p>\n

Principe de fonctionnement<\/h2>\n

1. Interface entre la sortie de prise de force du tracteur et la transmission
\nThe power transfer process begins at the tractor’s rear PTO stub shaft, which rotates at 1,000 rpm when the operator engages the PTO lever. The tractor PTO shaft spline on the CMN driveline slides directly onto this output stub – the standard 1.750-20 spline profile provides positive torque transmission with minimal angular play. The PTO yoke locks into position via a quick-release ball collar or clamp-style collar depending on the overrunning device model specified. This first interface point is where all tractor engine power – up to 270 hp peak – enters the PTO driveline shaft assembly.<\/p>\n

2. Fonctionnement de l'embrayage \u00e0 roue libre
\nImmediately adjacent to the tractor-side yoke sits the 2500 Series overrunning clutch device. This one-way roller or ratchet-type mechanism fulfils a critical protective function: it allows the shredder’s heavy twin-rotor assembly – which, spinning at 2,000 rpm, stores considerable rotational energy – to continue rotating after the tractor PTO is disengaged, without back-driving the tractor gearbox. On the John Deere 520 specifically, the rotor assembly carries 248 knives across two square 7×7 in. rotors and takes several seconds to coast down after the PTO is cut. Without an overrunning device, this coasting inertia would transmit powerful reverse torque pulses back through the PTO shaft tractor interface, potentially damaging the PTO clutch pack and transmission. The 2500 Series overrunning device in this shaft eliminates that risk entirely.<\/p>\n

3. Fonction de joint \u00e0 vitesse constante CAT 6 PW580
\nThe CAT 6 PW580 constant velocity (CV) joint is the technological centerpiece of this PTO shaft for flail shredder. Unlike a standard cardan or double-cardan PTO shaft universal joint, the PW580 CV joint uses a centred ball-and-groove mechanism that maintains a constant output angular velocity regardless of the joint’s deflection angle. This means that even when the tractor makes a sharp turn – generating a significant angle at the driveline – the shredder’s input shaft continues to receive smooth, steady torque with no speed fluctuations. The practical benefit on the John Deere 520 is enormous: knife tip speed remains constant at the designed 139 mph (224 km\/h), cutting quality stays uniform through corners, and the square rotors experience no cyclic loading that could accelerate bearing wear.<\/p>\n

4. Tube d'arbre de prise de force t\u00e9lescopique pour le r\u00e9glage de la longueur
\nBetween the tractor and implement yokes, the PTO shaft tube assembly uses a telescoping inner\/outer profile – typically a triangular, lemon, or star cross-section – to accommodate the varying distance between tractor and implement as the implement pitches and rolls across uneven terrain. The telescoping PTO shaft tubing is precision-fitted with a specific minimum and maximum engagement length that must be respected during installation. The sliding contact surfaces are lubricated via grease nipples to prevent fretting and galling. Correct PTO shaft length maintenance ensures the shaft neither bottoms out (which would transmit axial forces into gearbox bearings) nor over-extends (which risks separation and total power loss in the field).<\/p>\n

5. Liaison entre le joug c\u00f4t\u00e9 outil et la bo\u00eete de vitesses
\nAt the shredder end, the implement-side PTO shaft yoke connects directly to the John Deere 520 gearbox input flange. The gearbox is rated to 270 hp maximum and 180 hp continuous, matching this shaft’s own capacity ratings exactly. The yoke connection uses a clamp or quick-release collar depending on the overrunning device model. Once engaged, torque flows from the CV joint through the implement yoke into the gearbox, which then distributes power via internal bevel gears to the belt drive system that ultimately drives both counter-rotating rotors at 2,000 rpm.<\/p>\n

6. Protection des goupilles de cisaillement en cas de blocage
\nLorsqu'un rotor heurte une pierre, une souche d'arbre dur ou tout autre obstacle inamovible, le couple dans la transmission augmente instantan\u00e9ment. Le m\u00e9canisme de l'arbre de prise de force \u00e0 goupille de cisaillement se rompt de mani\u00e8re sacrificielle \u00e0 un seuil de couple pr\u00e9d\u00e9termin\u00e9, d\u00e9connectant physiquement le rotor du tracteur avant que la force de choc ne se propage vers l'arri\u00e8re. arbre de transmission de prise de force<\/strong><\/a> assembly and damage expensive gearbox or transmission components. Replacement PTO shaft shear bolt elements are inexpensive and field-swappable in minutes, keeping total system downtime minimal. This layered protection – overrunning clutch for inertia, shear bolt for impact – gives the John Deere 520 operator complete drivetrain protection under all operating conditions.<\/p>\n

\"Arbre<\/p>\n

Applications de l'arbre de prise de force du broyeur \u00e0 fl\u00e9aux<\/h2>\n

1. Broyage des tiges de r\u00e9colte<\/strong>
\nThe John Deere 520’s 20-foot cutting width combined with this 1000 rpm PTO shaft makes it ideal for post-harvest residue management in cotton, rice, corn, milo, and pineapple fields. Operating at 1,000 rpm PTO input and delivering 139 mph knife tip speed, the driveline handles dense, tangled stalk mats without stalling, returning residue to the soil as fine mulch that decomposes rapidly to improve the following season’s field conditions.<\/p>\n

2. Entretien des p\u00e2turages<\/strong>
\nL'\u00e9levage bovin et ovin d\u00e9pend d'une tonte r\u00e9guli\u00e8re des p\u00e2turages pour limiter la prolif\u00e9ration des mauvaises herbes et favoriser une repousse uniforme de l'herbe. Le broyeur \u00e0 fl\u00e9aux, gr\u00e2ce \u00e0 sa prise de force, permet \u00e0 la tondeuse John Deere 520 de venir \u00e0 bout des denses peuplements de roseaux, de chardons, de rumex et de f\u00e9tuque spongieuse qui bloqueraient une tondeuse rotative classique. La roue libre prot\u00e8ge la transmission lors de la tonte autour des poteaux de cl\u00f4ture ou des abreuvoirs, et le joint homocin\u00e9tique assure une tonte fluide sur les pentes accident\u00e9es des p\u00e2turages, sans interruption de puissance.<\/p>\n

3. Entretien des parcs et des terrains scolaires<\/strong>
\nGrounds maintenance crews managing large recreational spaces – sports fields, public parks, and school grounds – benefit from the John Deere 520’s one-pass 20-foot coverage. This PTO shaft for John Deere flail shredder delivers smooth, reliable power during extended mowing sessions. The PTO shaft guard and shear-bolt protection are especially valued in public areas where incidental debris – rocks, bottles, hidden roots – creates regular overload risks.<\/p>\n

4. Entretien des vergers et des vignes<\/strong>
\nTree fruit and wine grape operations require consistent, low-cut vegetation management between rows. This agricultural PTO shaft powers the shredder through cover crop residues and pruning debris. The CV joint’s ability to tolerate sharp headland turns at the end of orchard rows is particularly valuable, allowing the operator to work efficiently without constantly stopping to disengage the PTO. The mulched material also serves as a natural soil conditioner and erosion control layer between tree rows.<\/p>\n

5. Entretien des bords de route<\/strong>
\nLes services des routes et les entreprises d'entretien routier font confiance au John Deere 520 pour le d\u00e9broussaillage des accotements et des terre-pleins centraux. La prise de force de ce tracteur doit supporter les changements de direction fr\u00e9quents et les variations de terrain inh\u00e9rentes aux travaux en bord de route. Le joint homocin\u00e9tique PW580 permet au conducteur d'effectuer des virages serr\u00e9s en bout de rang et d'incliner le broyeur sans d\u00e9brayer, optimisant ainsi la productivit\u00e9 sur les longues coupes lin\u00e9aires.<\/p>\n

6. Entretien des foss\u00e9s et des berges<\/strong>
\nL'entretien de la v\u00e9g\u00e9tation des foss\u00e9s de drainage et des berges des canaux d'irrigation compte parmi les applications les plus exigeantes m\u00e9caniquement pour un arbre de transmission \u00e0 prise de force. Les talus, les racines partiellement immerg\u00e9es, les pierres incrust\u00e9es et les changements de terrain abrupts sont autant de facteurs qui engendrent des chocs et des surcharges. La protection par boulon de cisaillement et la roue libre de cet arbre offrent une protection multicouche contre les \u00e0-coups de transmission fr\u00e9quents lors de l'entretien des foss\u00e9s, tandis que l'\u00e9paisseur importante du tube de l'arbre de prise de force lui conf\u00e8re une excellente r\u00e9sistance \u00e0 la flexion et \u00e0 la fatigue sous charges cycliques.<\/p>\n

\"Arbre<\/p>\n

\u00c9tapes d'installation<\/h2>\n

1. La s\u00e9curit\u00e9 avant tout : Coupez compl\u00e8tement l'alimentation.
\nBefore handling any PTO shaft parts, shut down the tractor engine completely, remove the ignition key, and allow all rotating components – including the shredder rotor – to come to a full stop. Even with the PTO disengaged, the rotor assembly on the John Deere 520 stores significant rotational inertia that takes time to dissipate. Wait a minimum of 90 seconds after engine shutdown before approaching the driveline area. Personal injury from an unguarded, still-rotating tractor PTO drive shaft is severe and preventable only through strict power-down discipline.<\/p>\n

2. V\u00e9rifier les dimensions de l'arbre de prise de force et la correspondance des cannelures
\nBefore fitting the new PTO shaft, confirm the tractor output stub-shaft spline specification – most modern tractors use 1.750-20 spline, but some older models use 1.375-6 or 1.375-21 configurations. Compare these PTO shaft sizes with the overrunning device model supplied with your shaft (see the overrunning device table above). Also measure the compressed and extended PTO shaft length between tractor PTO stub and shredder gearbox input with the implement coupled, ensuring the shaft will operate within its designed telescoping range at minimum 1\/3 engagement of the inner tube.<\/p>\n

3. Fixez le joug c\u00f4t\u00e9 tracteur et la roue libre.
\nSlide the overrunning device end of the shaft onto the tractor PTO stub shaft, aligning the splines carefully to avoid cross-threading or damage to the spline teeth. Once the yoke is fully seated, engage the locking mechanism – clamp collar, ball collar, or CC lock depending on your specified device model. Verify the collar is properly seated by pulling the yoke firmly toward you: it should not release without depressing the collar button or loosening the clamp screw. An improperly locked PTO shaft yoke can disengage under load with catastrophic consequences.<\/p>\n

4. Fixez le joug c\u00f4t\u00e9 outil \u00e0 l'entr\u00e9e de la bo\u00eete de vitesses.
\nWith the tractor side secured, route the shaft to the John Deere 520 gearbox input flange and engage the implement-side PTO shaft yoke. Align the yokes on both ends in the same plane (parallel yoke configuration) to allow the CV joint to function correctly and prevent induced vibration. Lock the implement-side collar securely. Install the PTO shaft shear bolt through the designated hole in the hub and tighten to the specified torque – do not substitute with a higher-grade bolt as this defeats the overload protection function.<\/p>\n

5. Installez et fixez le protecteur d'arbre de prise de force.
\nSlide the PTO shaft cover over the assembled driveline and attach the retaining chains at both the tractor and implement end. The guard chains prevent the PTO shaft guard from rotating with the shaft, which would rapidly destroy the guard. Confirm the guard telescopes freely with the shaft without binding across the full anticipated operating range. Never operate the equipment with the guard missing, damaged, or with retaining chains unattached – this is a legal requirement in most jurisdictions and a critical personal safety measure around a 1000 rpm PTO shaft.<\/p>\n

6. V\u00e9rification avant d\u00e9marrage et mise en service initiale
\nBefore starting the tractor, lubricate all grease nipples on the PTO shaft – CV joint, telescoping tube, and implement yoke cross-shaft – with a good quality EP2 grease. Start the tractor and engage the PTO at low throttle (approximately 600 rpm) for the first 30 seconds to allow the CV joint to warm up and allow lubricant to distribute through all bearing surfaces. Then bring up to full 1,000 rpm PTO speed and listen for any unusual vibration or knocking that might indicate yoke misalignment or an improperly seated spline. If any anomaly is detected, disengage immediately and re-inspect all connection points.<\/p>\n

\"Arbre<\/p>\n

Conseils d'entretien de l'arbre de prise de force du tracteur<\/h2>\n

1. Lubrification quotidienne\/de 8 heures<\/strong>
\nInjectez de la graisse EP2 neuve dans chaque graisseur du joint homocin\u00e9tique et du tube de l'arbre t\u00e9lescopique toutes les 8 heures de fonctionnement ou en fin de journ\u00e9e. La rotation \u00e0 grande vitesse et les fortes charges sur le terrain \u00e9liminent rapidement l'ancien lubrifiant des roulements du joint de cardan et du tube de l'arbre de prise de force. Un graissage insuffisant est la principale cause d'usure pr\u00e9matur\u00e9e des cannelures et des roulements des arbres de prise de force agricoles, entra\u00eenant vibrations, surchauffe et, \u00e0 terme, rupture par fatigue de l'ensemble.<\/p>\n

2. Inspection de 50 heures<\/strong>
\nToutes les 50 heures de fonctionnement, effectuez une inspection visuelle et fonctionnelle compl\u00e8te de l'arbre de transmission de la prise de force. V\u00e9rifiez que le joint homocin\u00e9tique ne pr\u00e9sente pas de jeu axial sup\u00e9rieur \u00e0 0,5 mm, que le tube t\u00e9lescopique de l'arbre de prise de force n'est pas ray\u00e9 ou gripp\u00e9, et que tous les m\u00e9canismes de verrouillage des colliers sont correctement enclench\u00e9s. Inspectez le carter de protection de l'arbre de prise de force et les cha\u00eenes de retenue pour d\u00e9tecter toute fissure, fracture ou desserrage. V\u00e9rifiez que le boulon de cisaillement est intact et serr\u00e9 au couple prescrit. Remplacez toute pi\u00e8ce us\u00e9e ou endommag\u00e9e de l'arbre de prise de force avant la remise en service.<\/p>\n

3. Service de tubes t\u00e9lescopiques saisonniers<\/strong>
\nAt least once per season – or every 200 hours, whichever comes first – disassemble the telescoping inner and outer PTO shaft tubing sections. Clean all old grease, crop residue, and corrosion from the profile surfaces using a wire brush and solvent. Inspect the profile edges for deformation or cracking. Apply a generous coat of fresh grease before reassembly. A well-maintained PTO shaft tube will slide smoothly under field loading and extend service life significantly compared with a neglected unit that runs metal-to-metal.<\/p>\n

4. Remplacement du roulement de joint universel<\/strong>
\nThe cross-shaft bearings in the PTO shaft u joint assembly have a finite service life under the high-cycle loading of flail shredder operation. If you detect a clicking, clunking, or grinding noise from the driveline during operation, or visible radial play in the cross-shaft when the shaft is stationary, the U-joint bearings require replacement. Replacement bearing kits are available as standard PTO shaft parts for the CAT 6 PW580 series. Note that PW580 and 2580 bearing cup kits are dimensionally identical but non-interchangeable internally – always specify the correct series when ordering.<\/p>\n

5. Protection contre la corrosion et stockage<\/strong>
\nAvant l'hivernage, nettoyez l'ensemble de l'arbre de prise de force au nettoyeur haute pression et s\u00e9chez-le soigneusement. Appliquez une fine couche d'huile anticorrosion sur toutes les surfaces m\u00e9talliques expos\u00e9es. Graissez abondamment tous les points de graissage. Entreposez l'arbre \u00e0 l'int\u00e9rieur ou sous un abri \u00e9tanche, en le maintenant horizontalement pour \u00e9viter que les sections t\u00e9lescopiques ne se d\u00e9placent sous l'effet de leur propre poids. Lors de la remise en service apr\u00e8s l'hivernage, v\u00e9rifiez \u00e0 nouveau tous les points de graissage et lubrifiez-les g\u00e9n\u00e9reusement avant la premi\u00e8re utilisation de la saison. Cette proc\u00e9dure prot\u00e8ge votre investissement dans un arbre de prise de force robuste et garantit son bon fonctionnement pour la nouvelle saison.<\/p>\n

6. Stock de boulons de cisaillement et protocole de remplacement<\/strong>
\nAlways carry a supply of correctly graded PTO shaft shear bolt elements in the tractor cab or tool kit. When a shear event occurs, do not investigate the cause of failure with the machine still running. Shut down completely, identify and remove the obstacle or blockage that caused the overload, inspect the gearbox input shaft for damage, then install a fresh shear pin PTO shaft element of the specified grade. Never use a bolt of higher tensile grade as a substitute – this eliminates the overload protection and risks severe damage to the entire drivetrain.<\/p>\n

\"Arbre<\/p>\n

D\u00e9pannage courant<\/h2>\n

1. Probl\u00e8me\u00a0: Vibrations excessives pendant le fonctionnement
\nCause \/ Solution: Vibration in a PTO drive shaft typically indicates yoke misalignment, a worn or dry CV joint, or bent PTO shaft tubing. First, disengage the PTO and inspect the shaft visually while someone gently rotates the tractor wheel. If any wobble is visible in the shaft, a bent or damaged tube must be replaced. Check the yoke-to-yoke phase angle – both yokes should be in the same plane. Re-grease the CV joint and telescoping tube. If vibration persists after lubrication and alignment correction, the CV joint itself may have internal wear requiring replacement as a complete PTO shaft parts kit.<\/p>\n

2. Probl\u00e8me : Rupture r\u00e9p\u00e9t\u00e9e du boulon de cisaillement
\nCause \/ Solution: Repeated failure of the PTO shaft shear bolt is a symptom, not a root problem. Possible causes include: incorrect bolt grade installed (too weak), persistent rotor blockage from hidden rocks or hardwood stumps in the operating area, or gearbox input bearing failure creating abnormal resistance. Before replacing the bolt again, walk the cutting area to identify and remove obstacles. Inspect the gearbox oil level and bearing condition. Verify the replacement shear pin is the specified grade – substituting with a higher-strength bolt will shift the breakage point to more expensive components in the driveline.<\/p>\n

3. Probl\u00e8me : Blocage ou collage du tube t\u00e9lescopique
\nCause \/ Solution: If the PTO shaft tube inner profile will not slide freely within the outer tube, the most likely cause is a lack of lubrication combined with corrosion or debris ingress. Separate the two PTO shaft tubing sections completely and clean all profile surfaces with a wire brush and solvent. Inspect for galling (metal-to-metal scoring) – light galling can be dressed with a fine file, but deep galling requires full tube replacement. Re-pack with EP2 grease and reassemble. Going forward, increase lubrication frequency in wet or dusty operating conditions to prevent recurrence.<\/p>\n

4. Probl\u00e8me\u00a0: Bruit de cliquetis ou de cognement provenant du joint homocin\u00e9tique
\nCause \/ Solution: A clicking or knocking sound from the CV joint area during engagement or direction changes is a classic sign of worn ball tracks or race surfaces within the PTO shaft universal joint assembly. First, attempt to resolve by fully re-greasing the CV joint. If the noise persists after lubrication, the CV joint must be disassembled and inspected. Worn PW580 Constant Velocity internal components – balls, races, retainer – are available as replacement PTO shaft parts. Do not confuse PW580 and 2500 Series internal components as they are not interchangeable despite the identical external dimensions.<\/p>\n

5. Probl\u00e8me : Le collier de joug ne se verrouille pas correctement.
\nCause \/ Solution\u00a0: Si la bague de verrouillage du joug de l\u2019arbre de prise de force ne s\u2019enclenche pas ou se d\u00e9senclenche fr\u00e9quemment en fonctionnement, v\u00e9rifiez l\u2019usure du m\u00e9canisme de verrouillage \u00e0 bille (pour les mod\u00e8les \u00e0 bague \u00e0 bille) ou l\u2019\u00e9tat du boulon de serrage (pour les mod\u00e8les \u00e0 bride). Sur les mod\u00e8les CC Lock, la bague de verrouillage peut \u00eatre us\u00e9e. Remplacez le m\u00e9canisme de verrouillage de la bague par la pi\u00e8ce de rechange adapt\u00e9e \u00e0 votre mod\u00e8le de prise de force. L\u2019utilisation d\u2019une bague de verrouillage non serr\u00e9e pr\u00e9sente un risque de d\u00e9sengagement de l\u2019arbre \u00e0 grande vitesse, ce qui constitue un danger extr\u00eame. N\u2019utilisez jamais un arbre de prise de force de tracteur pr\u00e9sentant un d\u00e9faut connu au niveau de la bague de verrouillage.<\/p>\n

6. Probl\u00e8me\u00a0: Le protecteur de prise de force tourne avec l\u2019arbre.
\nCause \/ Solution: If the PTO shaft guard is spinning with the shaft instead of remaining stationary, one or both retaining chains have become detached or broken. Immediately disengage the PTO and shut down the tractor. A rotating PTO shaft cover will destroy itself within minutes and leave the driveline fully exposed – a severe personal injury risk. Inspect the chain anchor points at both the tractor and implement ends. Replace broken chains or re-attach detached ones to fixed, non-rotating anchor points. Inspect the guard itself for heat discoloration or deformation from frictional contact, and replace if damaged.<\/p>\n

\"Arbre<\/p>\n

Arbre de prise de force du broyeur \u00e0 fl\u00e9aux et bo\u00eete de vitesses de la faucheuse \u00e0 fl\u00e9aux<\/h2>\n

The flail shredder PTO shaft is the primary power conduit between a farm tractor and the flail shredder’s internal drive system. On the John Deere 520, this PTO drive shaft for flail shredder must continuously transmit between 120 and 270 hp at 1,000 rpm across a range of operating angles as the shredder tracks over uneven terrain. The CAT 6 PW580 Constant Velocity configuration used in CMN Transmission’s shaft is specifically chosen for this application because it eliminates cyclic velocity variation that standard cardan joints introduce at high deflection angles. For the 520 – with its 20-foot cutting width and heavy twin-rotor assembly – any drivetrain vibration translates directly into accelerated knife wear, increased rotor bearing fatigue, and reduced belt service life.<\/p>\n

The overrunning clutch within this PTO driveline shaft for flail shredder is equally important. The John Deere 520’s twin rotors carry enormous rotational kinetic energy at operating speed. When the PTO is disengaged at field headlands or during transport transitions, this energy must coast down safely without back-driving the tractor gearbox. The overrunning device – a one-way roller or ratchet mechanism – permits this coast-down while physically decoupling the tractor PTO from the shredder driveline. Without this device, the inertia of the spinning rotor assembly would impose damaging reverse torque spikes that could strip gears or damage the PTO clutch pack. Every genuine PTO shaft for John Deere flail shredder application requires this feature as a non-negotiable design element.<\/p>\n

Directly downstream of the PTO shaft sits the flail mower gearbox – a critical speed-multiplying and power-distributing component that converts the 1,000 rpm input from the tractor’s PTO into the 2,000 rpm rotor speed that the John Deere 520 demands for effective shredding. The gearbox on the 520 is rated to 270 hp peak and 180 hp continuous, making it capacity-matched to CMN Transmission’s PTO drive shaft. The gearbox houses bevel gears that redirect and amplify speed, plus a belt drive system that delivers power to the twin contra-rotating rotors mounted across the full 20-foot cutting width. The gearbox also carries the machine’s belt tensioning system and belt idler components.<\/p>\n

L'arbre de prise de force (PDF) et le r\u00e9ducteur de la d\u00e9broussailleuse \u00e0 fl\u00e9aux sont des composants interd\u00e9pendants qui doivent \u00eatre con\u00e7us de concert. Un arbre de PDF en bon \u00e9tat, qui d\u00e9livre un couple r\u00e9gulier et sans vibrations \u00e0 la vitesse ad\u00e9quate, prolonge consid\u00e9rablement la dur\u00e9e de vie des roulements du r\u00e9ducteur. En effet, les charges cycliques dues \u00e0 un arbre de PDF us\u00e9 ou mal align\u00e9 constituent une cause majeure de d\u00e9faillance pr\u00e9matur\u00e9e du r\u00e9ducteur. \u00c0 l'inverse, un r\u00e9ducteur d\u00e9faillant, avec des roulements us\u00e9s ou des engrenages coniques mal align\u00e9s, cr\u00e9e une r\u00e9sistance susceptible de provoquer une surchauffe et une fatigue du joint de cardan et du tube de l'arbre de PDF. CMN Transmission fournit \u00e0 la fois des arbres de PDF pour broyeurs \u00e0 fl\u00e9aux et des r\u00e9ducteurs compatibles, permettant ainsi aux clients de se procurer des kits de remplacement complets de transmission et de garantir une compatibilit\u00e9 dimensionnelle et une ad\u00e9quation parfaite des capacit\u00e9s aupr\u00e8s d'un fournisseur unique et fiable.<\/p>\n

\"Bo\u00eete<\/p>\n

Why Choose CMN Transmission’s Agricultural PTO Shafts?<\/h2>\n

CMN Transmission is one of the world’s leading suppliers of industrial power transmission system solutions. Our product portfolio spans an extensive range of transmission components including PTO drive shafts, agricultural gearboxes, hydraulic cylinders, planetary gearboxes, worm gearboxes, chain sprockets, chains, bevel gears, gear racks, pulleys, taper bushes, couplings, and more. This breadth of manufacturing capability is not accidental – it reflects decades of precision engineering investment and a deeply integrated supply chain that allows us to control quality at every stage of production, from raw material selection through to finished product inspection and export packaging.<\/p>\n

Over many years of global operation, CMN Transmission has grown from a leading agricultural industry supplier into a multi-sector solutions provider serving auto parts, logistics and transportation, mining, and heavy industry customers worldwide. Our products are exported to customers on six continents, with regional distribution partners and logistics infrastructure established in key agricultural markets across North America, Europe, South America, Africa, Asia, and Oceania. This global reach means fast, reliable delivery regardless of your location – a critical factor when a broken flail shredder PTO shaft means harvest downtime you cannot afford.<\/p>\n

    \n
  • Fabrication enti\u00e8rement int\u00e9gr\u00e9e en interne : <\/strong>De la mati\u00e8re premi\u00e8re en alliage brut aux arbres de transmission de prise de force finis et test\u00e9s, chaque \u00e9tape de la production est contr\u00f4l\u00e9e en interne gr\u00e2ce \u00e0 des centres de tournage CNC, des machines \u00e0 tailler les engrenages, des fours de traitement thermique et des \u00e9quipements de mesure tridimensionnelle, garantissant une tra\u00e7abilit\u00e9 compl\u00e8te et une qualit\u00e9 constante pour chaque lot.<\/li>\n
  • Assurance qualit\u00e9 \u00e0 triple certification\u00a0: <\/strong>CMN Transmission d\u00e9tient les certifications ISO9001:2015, TS16949 et CE, offrant \u00e0 ses clients B2B du monde entier une assurance v\u00e9rifi\u00e9e de mani\u00e8re ind\u00e9pendante quant \u00e0 la qualit\u00e9 des produits, l'int\u00e9grit\u00e9 du syst\u00e8me de gestion et la conformit\u00e9 \u00e0 la directive europ\u00e9enne sur les machines pour tous les produits d'arbres de prise de force agricoles export\u00e9s.<\/li>\n
  • Exp\u00e9rience d'exportation sur six continents : <\/strong>Nos arbres de prise de force pour tracteurs et nos produits de transmission agricole sont export\u00e9s vers l'Am\u00e9rique du Nord, l'Europe, l'Australie, l'Am\u00e9rique du Sud, l'Afrique et l'Asie, gr\u00e2ce \u00e0 des partenariats de transport \u00e9tablis qui garantissent une livraison internationale rapide, fiable et comp\u00e9titive pour les distributeurs, les concessionnaires et les fabricants d'\u00e9quipement d'origine (OEM) du monde entier.<\/li>\n
  • Conception sur mesure des arbres de prise de force\u00a0: <\/strong>Longueur d'arbre de prise de force non standard, configurations de cannelures uniques, profils de tubes alternatifs, arbre de prise de force avec protection contre les surcharges par embrayage \u00e0 glissement ou marquage OEM\/ODM complet\u00a0: notre \u00e9quipe d'ing\u00e9nieurs d\u00e9veloppe et fournit des solutions adapt\u00e9es aux sp\u00e9cifications pr\u00e9cises du client avec des d\u00e9lais de livraison comp\u00e9titifs.<\/li>\n<\/ul>\n

    \"\u00c9quipement\"\u00c9quipement<\/p>\n

    FAQ<\/h2>\n

    Q : Quel type d'arbre de prise de force est requis pour le broyeur \u00e0 fl\u00e9aux John Deere 520 ?<\/strong>
    \nA: The John Deere 520 requires a 1000 rpm PTO shaft with a CAT 6 PW580 Constant Velocity main shaft as the primary specification. The most common tractor interface is a 1.750-20 spline, though 1.375-6, 1.375-21, and 1.750-6 spline combinations are supported through various 2500 Series overrunning device models. The shredder’s gearbox is rated to 270 hp peak and 180 hp continuous, so the tractor PTO drive shaft must be rated to at least these capacities. Always confirm the exact overrunning device model and connection type (Clamp, Ball Collar, CC Lock, AS Collar) that matches your tractor’s PTO output specification before ordering.<\/p>\n

    Q: Is CMN Transmission’s PTO shaft a direct replacement of Weasler PTO shaft for the John Deere 520?<\/strong>
    \nA: Yes. CMN Transmission’s PTO shaft for John Deere flail shredder is engineered as a direct dimensional replacement of the Weasler PTO shaft used as original equipment on many John Deere 520 configurations. The yoke geometry, spline specification, and overall PTO shaft dimensions match the Weasler unit so that no adapters, machining, or modifications are required for installation. Customer feedback consistently reports that the CMN shaft slides directly onto the 1.750-20 spline and locks in without fitment issues. The CAT 6 PW580 joint used in the CMN shaft is dimensionally identical to the 2500 Series U-joints, though internal components are not interchangeable between the two series.<\/p>\n

    Q : Pourquoi un joint homocin\u00e9tique est-il important sur l'arbre de prise de force d'un broyeur \u00e0 fl\u00e9aux ?<\/strong>
    \nA : Un joint de cardan standard pour arbre de prise de force (PDF) produit une variation sinuso\u00efdale de la vitesse angulaire de sortie pour tout angle de d\u00e9flexion sup\u00e9rieur \u00e0 environ 3 degr\u00e9s. \u00c0 la vitesse de fonctionnement de 1\u00a0000 tr\/min du John Deere 520 et avec son imposant et lourd ensemble \u00e0 double rotor, cette variation cyclique de vitesse cr\u00e9e des pulsations de couple qui acc\u00e9l\u00e8rent l'usure des roulements, augmentent la fatigue de la courroie du rotor, provoquent des vibrations et r\u00e9duisent la r\u00e9gularit\u00e9 de coupe. Le joint homocin\u00e9tique PW580 \u00e9limine totalement cette variation, assurant un couple parfaitement r\u00e9gulier quel que soit l'angle de d\u00e9flexion. C'est pourquoi John Deere pr\u00e9conise un joint homocin\u00e9tique pour le 520 plut\u00f4t qu'un joint de cardan standard, et pourquoi un arbre de PDF de remplacement de haute qualit\u00e9 pour broyeur \u00e0 fl\u00e9aux doit imp\u00e9rativement int\u00e9grer une g\u00e9om\u00e9trie homocin\u00e9tique et non un simple joint de cardan.<\/p>\n

    Q : Comment d\u00e9terminer la longueur correcte de l'arbre de prise de force pour ma configuration John Deere 520 ?<\/strong>
    \nA: Correct PTO shaft length is critical for safe and efficient operation. First, connect the tractor and implement with the 3-point hitch at normal operating height (for integral models) or the drawbar at the standard working position (for drawn models). Measure the distance from the center of the tractor PTO stub shaft to the center of the shredder gearbox input yoke. This measurement should fall within the shaft’s working range so that the telescoping inner tube remains engaged at least one-third of its overlap length in the compressed position, with sufficient travel remaining to accommodate the shaft extending fully when the implement pitches over ground undulations. Contact CMN Transmission with this measurement to confirm the correct PTO shaft dimensions for your specific tractor-implement combination.<\/p>\n

    Q : Puis-je utiliser cet arbre de prise de force avec une prise de force de tracteur de 540 tr\/min au lieu de 1000 tr\/min ?<\/strong>
    \nA: The John Deere 520 Flail Shredder’s gearbox and rotor system is specifically designed for a 1,000 rpm PTO input. Driving it at 540 rpm would result in rotor speeds approximately 46% below the designed 2,000 rpm operating point, which would dramatically reduce knife tip speed (from 139 mph to around 75 mph), severely compromising shredding effectiveness and likely causing the rotor to stall under any significant crop load. The 540 PTO shaft spline profile (typically 1.375-6 for 540 rpm applications) is also a different specification from the 1,000 rpm stub (usually 1.750-20 or 1.750-6). The John Deere 520 must be operated with a tractor capable of delivering 1,000 rpm PTO output and at least 120 hp (drawn) or 140 hp (integral model).<\/p>\n

    Q : CMN Transmission propose-t-il des dimensions d'arbre de prise de force personnalis\u00e9es et des configurations OEM ?<\/strong>
    \nR : Oui. CMN Transmission propose des services de fabrication sur mesure d'arbres de prise de force pour les configurations non standard, notamment des dimensions d'arbre modifi\u00e9es, des profils de cannelures alternatifs, des longueurs t\u00e9lescopiques non standard et diff\u00e9rents appariements de dispositifs de roue libre. La fourniture OEM est \u00e9galement disponible pour les fabricants de mat\u00e9riel agricole exigeant un approvisionnement constant et sous leur marque d'ensembles d'arbres de transmission de prise de force. Des quantit\u00e9s minimales de commande s'appliquent aux commandes sur mesure et OEM. Contactez l'\u00e9quipe technico-commerciale de CMN Transmission et faites-lui part de vos exigences sp\u00e9cifiques, notamment le mod\u00e8le de tracteur, la marque et le mod\u00e8le de l'outil, la configuration de cannelures souhait\u00e9e, le r\u00e9gime de fonctionnement et la puissance nominale. Nous concevrons une solution r\u00e9pondant pr\u00e9cis\u00e9ment \u00e0 vos sp\u00e9cifications.<\/p>\n

    Q : Quelle est la diff\u00e9rence entre les dispositifs de d\u00e9passement de capacit\u00e9 des s\u00e9ries PW580 et 2500, et pourquoi est-ce important ?<\/strong>
    \nA : Le joint homocin\u00e9tique PW580 et les dispositifs de roue libre de la s\u00e9rie 2500 constituent deux familles de composants distinctes au sein de la transmission du CAT 6. Le PW580 d\u00e9signe sp\u00e9cifiquement la g\u00e9om\u00e9trie du joint homocin\u00e9tique sur l'arbre principal, tandis que la s\u00e9rie 2500 d\u00e9crit le dispositif d'embrayage \u00e0 roue libre mont\u00e9 sur le joug c\u00f4t\u00e9 tracteur. Point crucial\u00a0: bien que les arbres de transmission des joints de cardan PW580 et 2580 soient ext\u00e9rieurement identiques, leurs cuvettes de roulement, joints et circlips internes ne sont pas interchangeables. Ceci est primordial pour la commande de pi\u00e8ces\u00a0: sp\u00e9cifiez toujours la d\u00e9signation exacte de la s\u00e9rie lors de la commande de pi\u00e8ces de rechange pour l'arbre de prise de force, telles que des kits de roulements ou des ensembles d'arbre de transmission. L'installation de composants internes non conformes dans un carter de joint PW580 ou de la s\u00e9rie 2500 entra\u00eenera une d\u00e9faillance rapide et des dommages potentiels \u00e0 la transmission.<\/p>\n

    Q : \u00c0 quelle fr\u00e9quence dois-je remplacer le boulon de cisaillement de l'arbre de prise de force de mon John Deere 520, m\u00eame sans incident de blocage ?<\/strong>
    \nA: A PTO shaft shear bolt that has not experienced a shear event does not have a fixed replacement interval like a lubricant. However, it should be inspected at each 50-hour service interval for signs of fatigue cracking, thread corrosion, or deformation that might lower its shear threshold unpredictably. If the bolt shows any visible damage or if the machine has experienced an unusual vibration or shock event that you suspect may have partially stressed the bolt, replace it as a precaution. Always use the exact specified grade – typically an ISO grade 8.8 bolt of the precise diameter called out in the CMN Transmission installation documentation. Never substitute a higher grade as a shear pin PTO shaft replacement, as this defeats the entire overload protection function.<\/p>\n

    Q : L'arbre de prise de force est-il livr\u00e9 avec une protection et est-il conforme aux normes de s\u00e9curit\u00e9 CE ?<\/strong>
    \nA: Yes. CMN Transmission’s PTO shaft for flail shredder applications includes a full-length PTO shaft guard as a standard component. The PTO shaft cover is manufactured from impact-resistant polymer with chain anchor points at both ends, and the assembly meets the requirements of EU Machinery Directive 2006\/42\/EC for rotating shaft guarding on agricultural machinery. CE certification is standard on all CMN agricultural PTO shafts exported to European markets. For non-European markets, the guard design meets equivalent OSHA and local agricultural safety regulations. The guard must always be fitted and its retaining chains anchored to fixed points before operating the equipment. Operating without the guard is illegal in most jurisdictions and creates a serious personal safety hazard.<\/p>\n

    Q : Quel type et quelle fr\u00e9quence de lubrification sont recommand\u00e9s pour les joints de cardan et le tube de l'arbre de prise de force ?<\/strong>
    \nA: CMN Transmission recommends using an NLGI Grade 2 Extreme Pressure (EP2) lithium-complex grease for all PTO shaft u joint bearings and the telescoping PTO shaft tube profile. Under standard agricultural field conditions, lubricate all grease nipples every 8 operating hours. In high-temperature environments (above 40 degrees Celsius), wet conditions, or when operating in abrasive sandy soils, increase lubrication frequency to every 4-6 hours. For the telescoping tube specifically, ensure grease is applied to the full profile engagement length rather than just injected at the nipple – seasonal disassembly and manual re-packing of the profile is recommended. Never use general-purpose chassis grease as a substitute, as it lacks the extreme-pressure additives required to protect the high-speed PTO drive shaft components.<\/p>\n

    \"Arbre<\/p>\n

    Avis clients<\/h2>\n

    Marcus Hollingsworth, directeur de ferme, \u00c9tats-Unis<\/strong>
    \n“Been running a John Deere 520 on our 90-acre cattle pasture for years, gone through a couple PTO shafts over time. Ordered this CAT 6 PW580 replacement from CMN Transmission after the original Weasler unit finally wore through its U-joints after about four seasons. The fit was spot on – no shimming, no adapter needed, just slid straight onto the 1.750-20 spline and locked in. We’re about 180 hours into the new shaft this year, cutting some pretty heavy reed grass along the creek banks, and it hasn’t skipped a beat. Build quality feels solid, the guard tube isn’t flimsy like some aftermarket ones I’ve tried. Would order again without hesitation.”<\/p>\n

    Giorgio Ferrante, entrepreneur agricole, Italie<\/strong>
    \n“We operate four John Deere 520 shredders across various client farms in northern Italy, mainly vineyard residue and corn stubble work. I was skeptical about switching from Walterscheid, which we’d used for years, but the price difference with CMN was significant enough to try. Two units have been running for a full season now – I’d estimate around 300 hours each on heavy vine wood shredding. The CV joints are holding up very well, no unusual play or noise. The packaging on arrival was excellent, very professional. I’ll be ordering replacements for the other two machines next month.”<\/p>\n

    Rajendran Pillai, concessionnaire de mat\u00e9riel agricole, Inde<\/strong>
    \n“I supply spare parts to large sugarcane and rice farms in Tamil Nadu. We started stocking CMN PTO shafts for John Deere 520 units about 18 months ago after one of my customers needed an urgent replacement and the OEM part had an eight-week lead time. CMN shipped within five days to Chennai. Since then we’ve reordered four times. Customers have not complained about quality – one shaft is reportedly still going strong at over 400 hours on rice stalk shredding. The price point also makes it an easy sell compared to OEM replacements. Very satisfied with the business relationship and will continue recommending.”<\/p>\n

    Thabo Nkosi, agriculteur commercial, Afrique du Sud<\/strong>
    \n“We farm about 1,200 hectares of corn and soybeans in Mpumalanga and use two John Deere 520 drawn models for residue management after harvest. Our previous PTO shaft gave out in the middle of the season and we needed something fast. CMN quoted and invoiced within a day, and the shaft arrived in Johannesburg in under two weeks from Korea – honestly, faster than I expected. Installation was simple, it went straight on our 140 hp tractor without any issues. We’ve run about 220 hours since fitting, covering heavy corn stalk residue, and everything is performing as it should. The overrunning clutch is smooth too.”<\/p>\n

    Jean-Pierre Moreau, entrepreneur agricole, France<\/strong>
    \n“J’ai command\u00e9 ce PTO shaft pour mon John Deere 520 apres que le shaft d’origine soit hors service. The shaft arrived well-packaged and measuring exactly to spec – I checked the yoke dimensions before fitting and everything matched the original Walterscheid unit. It’s been running for one full wheat straw shredding season now, probably 160 hours of work. Zero problems. The constant velocity joint runs noticeably smoother than the worn original when making turns on headlands. I was a little worried about quality from an Asian manufacturer but I’m genuinely impressed. The PTO shaft guard is also a solid piece – I’ve had cheap aftermarket guards crack within a season before, this one looks and feels more durable.”<\/p>\n

    Carlos Eduardo Mendes, agronome et propri\u00e9taire d'une ferme, Br\u00e9sil<\/strong>
    \n“We grow cotton and corn across about 800 hectares in Mato Grosso and the John Deere 520 is our primary residue management tool after harvest. I’d been using an OEM PTO shaft since we bought the machine seven years ago, but when it finally wore out I decided to try CMN on a colleague’s recommendation. Communication with the sales team was excellent – they responded in English within hours of my inquiry, confirmed the correct overrunning device model for my specific tractor configuration (a 1.750-6 spline variant), and had the unit shipped very quickly. Fit was exact, no surprises. Running about 130 hours now through heavy cotton stalk work and performing perfectly. The price was also around 35% below the OEM quote I got locally.”<\/p>\n

    Derek O’Sullivan, Agricultural Contractor, Australia<\/strong>
    \n“I do roadside and pasture mowing contracts across the Western Victoria region and run a John Deere 520 on a New Holland T7 at around 125 hp. My original driveshaft finally gave out after six seasons of hard work and I couldn’t get an OEM replacement within a reasonable timeframe from my local dealer. Found CMN online and gave them a call. The sales rep actually knew his stuff – walked me through the overrunning device options for my tractor’s spline configuration and confirmed the shaft would suit. Arrived in Sydney within ten days, freighted up to me no problem. Been on it for one full mowing season now, roughly 200 hours, including some rough ditch bank work that’s always hard on equipment. Very happy – it’s holding up great.”<\/p>\n

    Ahmed Al-Rashidi, responsable du mat\u00e9riel agricole, Arabie saoudite<\/strong>
    \n“We manage a large date farm operation in Al-Ahsa and use John Deere equipment extensively for orchard floor maintenance and residue management. We ordered two CMN PTO shafts for our 520 units as test units to evaluate quality before committing to larger orders. The units arrived in excellent condition, well-boxed and with clear installation documentation. Both shafts have been in service for approximately 250 hours each across our orchard alleys and adjacent pasture areas. Quality is genuinely comparable to the original equipment shafts at a much more competitive price. We have now approved CMN Transmission as a preferred supplier for our fleet maintenance program.”<\/p>\n

    Krzysztof Walczak, propri\u00e9taire d'un atelier de machines, Pologne<\/strong>
    \n“My workshop services agricultural equipment across southern Poland and I’ve been looking for a reliable aftermarket source for flail shredder PTO shafts since Weasler stopped being cost-competitive for our customers. We ordered a CMN CAT 6 PW580 shaft for a client’s John Deere 520 drawn model as a trial. The shaft dimensions were correct, the steel felt solid, and the surface finish was consistent. Fitting took about 20 minutes. My customer has been back for routine service twice since fitting the shaft – no complaints about the driveline, and based on my inspection the shaft shows very normal wear for 150 hours of heavy autumn work. I’ll be recommending CMN to other customers and likely stocking some units going forward.”<\/p>","protected":false},"excerpt":{"rendered":"

    L'arbre de prise de force (PDF) pour broyeur \u00e0 fl\u00e9aux John Deere 520 de CMN Transmission est un arbre de PDF agricole de pr\u00e9cision, con\u00e7u sp\u00e9cifiquement pour r\u00e9pondre aux exigences \u00e9lev\u00e9es de transmission de puissance de la s\u00e9rie John Deere 520. Fonctionnant \u00e0 la vitesse standard de 1\u00a0000 tr\/min, cet arbre de transmission de prise de force pour tracteur utilise une configuration de joint homocin\u00e9tique CAT 6 PW580 pour une transmission de couple fluide et sans vibrations sur toute la largeur de coupe de 6 m\u00e8tres (20 pieds) du broyeur 520.<\/p>","protected":false},"featured_media":6818,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[222,252],"product_tag":[232,228,242,234,257,233,258,226,229,235,243,225,230,231,224],"class_list":{"0":"post-6856","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pto-shafts","7":"product_cat-pto-shaft-for-feed-mixer","8":"product_tag-1000-pto-shaft","9":"product_tag-540-pto-shaft","10":"product_tag-agricultural-pto-shaft","11":"product_tag-custom-pto-shaft","12":"product_tag-flail-shredder-pto-shaft","13":"product_tag-heavy-duty-pto-shaft","14":"product_tag-pto-drive-shaft-for-flail-shredder","15":"product_tag-pto-drive-shafts","16":"product_tag-pto-driveline-shaft","17":"product_tag-pto-shaft-for-tractor","18":"product_tag-pto-shaft-manufacturers","19":"product_tag-pto-shafts","20":"product_tag-pto-shafts-for-sale","21":"product_tag-tractor-pto-drive-shaft","22":"product_tag-tractor-pto-shaft","24":"first","25":"instock","26":"shipping-taxable","27":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product\/6856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/comments?post=6856"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/media\/6818"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/media?parent=6856"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product_brand?post=6856"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product_cat?post=6856"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product_tag?post=6856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}