{"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\/nl\/product\/pto-shaft-for-john-deere-flail-shredder-520\/","title":{"rendered":"Aftakas voor John Deere klepelversnipperaar 520"},"content":{"rendered":"

Betrouwbare aftakas voor John Deere klepelmaaiers.<\/h2>\n

Aftakas voor John Deere klepelversnipperaar model: 520<\/strong><\/p>\n

De aftakas voor de John Deere Flail Shredder 520 van CMN Transmission is een nauwkeurig ontworpen landbouwaftakas, speciaal gebouwd om te voldoen aan de veeleisende krachtoverbrengingseisen van de John Deere 520-serie. Deze aftakas werkt met de standaard aftakassnelheid van 1000 tpm en maakt gebruik van een CAT 6 PW580 homokinetische koppeling voor een naadloze, trillingsvrije koppeloverdracht over de volledige maaibreedte van 6 meter van de 520-versnipperaar. Deze robuuste aftakas is ontworpen om piekbelastingen tot 270 pk en continue vermogens van 180 pk aan te kunnen en is speciaal gebouwd voor het versnipperen van katoen, rijst, ananas, ma\u00efs en sorghumstengels, waar structurele integriteit van essentieel belang is. De standaard 1.750-20 spline-interface garandeert directe compatibiliteit met de meeste tractoruitgangen, terwijl alternatieve spline-combinaties beschikbaar blijven voor niet-standaard configuraties, waardoor dit een zeer flexibele vervangingsoplossing voor de aftakas is.<\/p>\n

Of het nu gaat om uitgestrekte akkerbouwvelden, bermen of commerci\u00eble boomgaarden, deze aftakas voor klepelversnipperaars levert seizoen na seizoen consistente en betrouwbare prestaties. CMN Transmission ontwerpt deze aftakas voor klepelversnipperaars als directe vervanging voor Weasler-aftakasconfiguraties en vergelijkbare OEM-aandrijflijnen, waardoor adapters of vulplaatjes overbodig zijn. Meerdere modellen vrijloopkoppelingen (F5\/1R, F5\/2R, F5\/1L) met verschillende diameters en spiebanen worden ondersteund, conform de fabrieksspecificaties die John Deere in het 520-platform integreert. Elke aftakas voor klepelversnipperaars is ISO9001- en CE-gecertificeerd en verlaat onze fabriek na strenge kwaliteitscontroles op afmetingen, koppel en coating. Dit is de aftakas die uw John Deere 520 verdient.<\/p>\n

\"PTO-as<\/p>\n

Hoofdas: CAT 6 PW580 Constant Velocity<\/h2>\n

De meeste tractoren gebruiken een 1.750-20 spline, maar andere combinaties zijn ook mogelijk.<\/p>\n

Opmerking: De kruiskoppelingen PW580 en 2580 zijn qua afmetingen identiek.<\/p>\n

De onderdelen zijn echter niet onderling verwisselbaar.<\/p>\n

\"PW580 \"PW580<\/p>\n

Enkele modellen met een niet-CV-hoofdas: CAT 6 2500-serie<\/h2>\n

\"2500-serie<\/p>\n

John Deere klepelversnipperaars zijn uitgerust met een overloopinrichting.<\/strong><\/p>\n

Invoervereisten voor de shredder
\n<\/strong><\/h2>\n

Overloopapparaten uit de 2500-serie<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Overbelaste apparaten<\/strong><\/td>\nModel<\/th>\nDiameter<\/th>\nSplines<\/th>\nVerbinding<\/th>\n<\/tr>\n
\"Overloopapparaten<\/td>\n\u00a0F5\/1R<\/td>\n\u00a01.750<\/td>\n\u00a020<\/td>\n\u00a0Klem<\/td>\n<\/tr>\n
\u00a0F5\/1R<\/td>\n\u00a01.750<\/td>\n\u00a06<\/td>\n\u00a0Klem<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.750<\/td>\n\u00a020<\/td>\n\u00a0klem<\/td>\n<\/tr>\n
\u00a0F5\/1R<\/td>\n\u00a01.375<\/td>\n\u00a06<\/td>\n\u00a0Ball Collar<\/td>\n<\/tr>\n
\u00a0F5\/1R<\/td>\n\u00a01.375<\/td>\n\u00a021<\/td>\n\u00a0Klem<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.750<\/td>\n\u00a06<\/td>\n\u00a0CC-vergrendeling<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.750<\/td>\n\u00a06<\/td>\n\u00a0CC-vergrendeling<\/td>\n<\/tr>\n
\u00a0F5\/1L<\/td>\n\u00a01.375<\/td>\n\u00a06<\/td>\n\u00a0KLEM<\/td>\n<\/tr>\n
\u00a0F5\/1R<\/td>\n\u00a01.375<\/td>\n\u00a06<\/td>\n\u00a0AS-kraag<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.750<\/td>\n\u00a020<\/td>\n\u00a0klem<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.75<\/td>\n\u00a020<\/td>\n\u00a0klem<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.75<\/td>\n\u00a06<\/td>\n\u00a0klem<\/td>\n<\/tr>\n
\u00a0F5\/2R<\/td>\n\u00a01.375<\/td>\n\u00a06<\/td>\n\u00a0klem<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Specificaties van de John Deere Flail Shredder 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
Model<\/th>\n520 Getekend<\/th>\n520 Integraal<\/th>\n<\/tr>\n<\/thead>\n
Stroomvereisten<\/strong><\/td>\n<\/tr>\n
PTO-snelheid<\/td>\n1.000 toeren per minuut<\/td>\n1.000 toeren per minuut<\/td>\n<\/tr>\n
Vereist aftakasvermogen (PTO) van de tractor<\/td>\nminimaal 120 pk (90 kW)<\/td>\nminimaal 140 pk (104 kW)<\/td>\n<\/tr>\n
Versnellingsbak<\/td>\nMaximaal 270 pk (201 kW);
\n180 pk (134 kW) continu vermogen;
\n2 jaar garantie<\/td>\n		Maximaal 270 pk (201 kW);
\n180 pk (134 kW) continu vermogen;
\n2 jaar garantie<\/td>\n<\/tr>\n
Messen<\/td>\n<\/tr>\n
Aantal messen<\/td>\n248 (124 paren)<\/td>\n248 (124 paren)<\/td>\n<\/tr>\n
Mesafmetingen<\/td>\n0,31 x 2,5 inch (8 mm x 64 mm)<\/td>\n0,31 x 2,5 inch (8 mm x 64 mm)<\/td>\n<\/tr>\n
Mesbevestiging<\/td>\nD-ring<\/td>\nD-ring<\/td>\n<\/tr>\n
Mestype<\/td>\nGelegeerd staal, hard gecoat, gehard
\nmet vanadiumcarbide, omkeerbaar<\/td>\n		Gelegeerd staal, hard gecoat, gehard
\nmet vanadiumcarbide, omkeerbaar<\/td>\n<\/tr>\n
Mesoverlap<\/td>\n1,07 inch (27,4 mm)<\/td>\n1,07 inch (27,4 mm)<\/td>\n<\/tr>\n
Mespuntsnelheid<\/td>\n139 mph (224 km\/h)<\/td>\n139 mph (224 km\/h)<\/td>\n<\/tr>\n
Rotor<\/td>\n<\/tr>\n
Rotorsnelheid<\/td>\n2000 toeren per minuut<\/td>\n2000 toeren per minuut<\/td>\n<\/tr>\n
Rotorafmetingen<\/td>\nVierkante rotor 7 x 7 inch.<\/td>\nVierkante rotor 7 x 7 inch.<\/td>\n<\/tr>\n
Lagertype<\/td>\nDubbelrijige tonlagers, drievoudig afgedicht;
\n2 jaar onbeperkte garantie<\/td>\n		Dubbelrijige tonlagers, drievoudig afgedicht;
\n2 jaar onbeperkte garantie<\/td>\n<\/tr>\n
Bedrijfsafmetingen<\/td>\n<\/tr>\n
Snijbreedte<\/td>\n20 ft. (6,1 m)<\/td>\n20 ft. (6,1 m)<\/td>\n<\/tr>\n
Snijhoogte<\/td>\n3 tot 10 inch (76 mm tot 254 mm)<\/td>\n3 tot 10 inch (76 mm tot 254 mm)<\/td>\n<\/tr>\n
Bedrijfsbreedte<\/td>\n21 ft. 3 in. (6,48 m)<\/td>\n21 ft. 3 in. (6,48 m)<\/td>\n<\/tr>\n
Bedrijfslengte<\/td>\n10 ft. 7 in. (3,23 m)<\/td>\n10 ft. 7 in. (3,23 m)<\/td>\n<\/tr>\n
Transportafmetingen<\/td>\n<\/tr>\n
Transportbreedte<\/td>\n7 ft. 10 in. (2,39 m) in de lengte<\/td>\n21 ft. 3 in. (6,48 m)<\/td>\n<\/tr>\n
Transportlengte<\/td>\n24 ft. 1 in. (7,34 m) in de lengterichting<\/td>\n7 ft. 10 in. (2,39 m)<\/td>\n<\/tr>\n
Gewicht (ongeveer)<\/td>\n5.000 pond (2.268 kg)<\/td>\n4.376 lb. (1.985 kg)<\/td>\n<\/tr>\n
Tillen<\/td>\nAchterlift, standaard externe cilinder<\/td>\nNiet van toepassing<\/td>\n<\/tr>\n
Hitch<\/td>\nNiet van toepassing<\/td>\nCat. 3 of 3N; snelkoppeling vereist<\/td>\n<\/tr>\n
Wielen\/banden<\/td>\nVier 6PR 7.60-15<\/td>\nTwee 6PR 7.60-15; vier als optie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kenmerken van de aftakas voor de John Deere klepelversnipperaar<\/h2>\n

1. CAT 6 PW580 Homokinetische koppeling<\/strong>
\nDe PW580 homokinetische koppeling in het hart van deze aftakas maakt scherpe bochten mogelijk zonder dat de versnipperaar loskoppelt of er schokken in de aandrijving ontstaan. In tegenstelling tot standaard cardanische koppelingen zorgt de constante-snelheidsgeometrie ervoor dat de koppeloverdracht perfect gelijkmatig blijft over alle werkhoeken, waardoor trillingen, lagerslijtage en slijtage van de rotorriem op uw John Deere 520 aanzienlijk worden verminderd.<\/p>\n

2. Ge\u00efntegreerd overloopapparaat uit de 2500-serie<\/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. Compatibiliteit met meerdere 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. Zware staalconstructie<\/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. Volledig dekkende aftakasbescherming<\/strong>
\nDe veiligheid van de gebruiker staat voorop. De meegeleverde aftakasbescherming is gemaakt van slagvast polymeer en bedekt de volledige draaibare lengte van de as. De aftakasbescherming is aan zowel de tractor- als de werktuigzijde verankerd met kettinggeleiders om rotatie met de as te voorkomen. Hiermee voldoet de bescherming aan de CE-veiligheidsrichtlijnen en de OSHA-equivalent landbouwnormen die in de meeste markten van toepassing zijn op aftakassen van tractoren.<\/p>\n

6. Beveiliging tegen overbelasting van de breekbout<\/strong>
\nOm dure aandrijfcomponenten te beschermen bij plotselinge blokkeringen van de rotor, is deze aftakasconstructie met breekbout voorzien van nauwkeurig gekalibreerde breekbouten op het verbindingspunt. In geval van een rotoraanvaring of -blokkering breekt de breekpen af \u200b\u200bvoordat het koppel zich kan verspreiden en schade kan veroorzaken aan de versnellingsbakken, lagers of de transmissie van de tractor. Vervangende onderdelen voor de aftakas, waaronder breekpennen, zijn gemakkelijk verkrijgbaar en goedkoop, waardoor de stilstandtijd op het veld tot een minimum wordt beperkt.<\/p>\n

7. Directe OEM-vervanging.<\/strong>
\nDeze aftakas is ontworpen als directe vervanging voor de Weasler-aftakas en vergelijkbare OEM-onderdelen en vereist geen extra adapters, afstandhouders of bewerkingen. De geometrie van de aftakasadapter komt overeen met de originele fabrieksspecificaties voor de John Deere 520, waardoor de installatie een eenvoudige schuif- en vergrendelhandeling is. Klanten melden steevast dat er geen montageproblemen optreden bij het vervangen van versleten Weasler- of Walterscheid-onderdelen door dit equivalent van CMN Transmission.<\/p>\n

\"PTO-as<\/p>\n

Werkingsprincipe<\/h2>\n

1. Interface tussen de aftakasuitgang van de tractor en de aandrijflijn
\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. Werking van de vrijloopkoppeling
\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. CAT 6 PW580 Constante Snelheid Gewrichtsfunctie
\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. Uitschuifbare aftakasbuis voor lengteverstelling
\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. Aansluiting van de juk en versnellingsbak aan de werktuigzijde
\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. Bescherming van de afschuifpen tijdens blokkades
\nWanneer een rotor een ingebedde rots, een hardhouten stronk of een ander onbeweegbaar obstakel raakt, neemt het koppel in de aandrijflijn onmiddellijk toe. Het afschuifpenmechanisme van de aftakas breekt bij een vooraf bepaalde koppeldrempel, waardoor de rotor fysiek van de tractor wordt losgekoppeld voordat de schokbelasting zich naar achteren kan voortplanten. PTO-aandrijfas<\/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

\"PTO-as<\/p>\n

Toepassingen van de aftakas van een klepelversnipperaar<\/h2>\n

1. Versnipperen van gewasstengels<\/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. Weideonderhoud<\/strong>
\nRundvee- en schapenhouderijen zijn afhankelijk van regelmatig maaien van de weide om onkruidgroei tegen te gaan en een gelijkmatige grasgroei te bevorderen. De aftakas van deze klepelmaaier drijft de John Deere 520 aan door dichte begroeiing met riet, distels, zuring en ruw zwenkgras, waar een conventionele roterende maaier zou vastlopen. De vrijloopkoppeling beschermt de aandrijving bij het maaien rondom hekpalen of drinkbakken, en de homokinetische koppeling zorgt voor soepel maaien op glooiende weidehellingen zonder vermogensverlies.<\/p>\n

3. Onderhoud van parken en schoolterreinen<\/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. Onderhoud van boomgaarden en wijngaarden<\/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. Onderhoud langs de weg<\/strong>
\nOverheidsinstanties die zich bezighouden met wegenonderhoud en aannemers die verantwoordelijk zijn voor de wegenbouw, vertrouwen op de John Deere 520 voor het verwijderen van vegetatie langs bermen en middenbermen. De aftakas van deze tractor moet bestand zijn tegen frequente richtingsveranderingen en het wisselende terrein dat werkzaamheden langs de weg vereisen. De PW580 homokinetische koppeling zorgt ervoor dat de tractorbestuurder scherpe bochten aan het einde van de rij kan maken en de versnipperaar kan kantelen zonder de aftakas uit te schakelen, waardoor de productiviteit bij lange, lineaire sneden wordt gemaximaliseerd.<\/p>\n

6. Onderhoud van sloten en oevers<\/strong>
\nHet beheer van de vegetatie langs afwateringssloten en irrigatiekanalen behoort tot de mechanisch meest veeleisende toepassingen voor een aftakas. Hellende zijden, gedeeltelijk ondergedompelde wortels, ingebedde stenen en abrupte terreinveranderingen cre\u00ebren allemaal impact- en overbelastingsomstandigheden. De afbreekboutbeveiliging en de vrijloopkoppeling in deze as bieden een gelaagde bescherming tegen de soort schokken in de aandrijflijn die routinematig voorkomen bij het onderhoud van afwateringssloten, terwijl het dikwandige materiaal van de aftakasbuis bestand is tegen buigen en vermoeiing onder cyclische belasting.<\/p>\n

\"PTO-as<\/p>\n

Installatiestappen<\/h2>\n

1. Veiligheid voorop: schakel het apparaat volledig uit.
\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. Controleer de afmetingen van de aftakas en of de spiebanen overeenkomen.
\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. Bevestig de juk en de vrijloopkoppeling aan de tractorzijde.
\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. Bevestig de juk aan de werktuigzijde aan de ingang van de versnellingsbak.
\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. Installeer en bevestig de aftakasbescherming.
\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. Controle v\u00f3\u00f3r aanvang en eerste gebruik
\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

\"PTO-as<\/p>\n

Tips voor het onderhoud van de aftakas van een tractor<\/h2>\n

1. Smering gedurende 8 uur \/ Dagelijks<\/strong>
\nPomp na elke 8 bedrijfsuren of aan het einde van elke werkdag verse EP2-vet in elke smeernippel op de homokinetische koppeling en de telescopische asbuis. De hoge rotatiesnelheid en zware belasting op het veld zorgen ervoor dat oude smeerolie snel uit de lagers van de aftakas en het buisprofiel wordt verwijderd. Ondersmering is de belangrijkste oorzaak van voortijdige slijtage van de spiebanen en lagers van landbouwaftakassen, wat leidt tot trillingen, oververhitting en uiteindelijk tot vermoeiingsbreuk van de asconstructie.<\/p>\n

2. 50-uurs inspectie<\/strong>
\nVoer elke 50 bedrijfsuren een grondige visuele en functionele inspectie uit van de gehele aftakas. Controleer de homokinetische koppeling op axiale speling van meer dan 0,5 mm, de telescopische aftakasbuis op beschadigingen of vastlopen en alle vergrendelingsmechanismen op een goede werking. Inspecteer de aftakasbescherming en de borgkettingen op scheuren, breuken of losraken. Controleer of de breekbout intact is en correct is vastgedraaid. Vervang versleten of beschadigde onderdelen van de aftakas voordat u de machine weer in gebruik neemt.<\/p>\n

3. Seizoensgebonden telescopische buisservice<\/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. Vervanging van het kruiskoppelingslager<\/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. Bescherming tegen corrosie en opslag<\/strong>
\nReinig de gehele aftakasconstructie v\u00f3\u00f3r de winterstalling met een hogedrukreiniger en droog deze grondig af. Breng een lichte laag antiroestolie aan op alle blootgestelde metalen oppervlakken. Vul alle smeerpunten volledig met smeermiddel. Bewaar de aftakas binnen of onder een weerbestendige afdekking, horizontaal ondersteund om te voorkomen dat de telescopische delen door de zwaartekracht verschuiven. Controleer na de winterstalling alle smeerpunten opnieuw en smeer ze ruim in v\u00f3\u00f3r het eerste gebruik van het seizoen. Deze routine beschermt uw investering in een robuuste aftakas en zorgt ervoor dat deze klaar is voor gebruik aan het nieuwe seizoen.<\/p>\n

6. Voorraad- en vervangingsprotocol voor afschuifbouten<\/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

\"PTO-as<\/p>\n

Veelvoorkomende probleemoplossing<\/h2>\n

1. Probleem: Overmatige trillingen tijdens gebruik
\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. Probleem: De afschuifbout breekt herhaaldelijk.
\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. Probleem: De telescopische buis loopt vast of blijft haken.
\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. Probleem: Klikkend of kloppend geluid uit de homokinetische koppeling
\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. Probleem: De juksluiting vergrendelt niet goed.
\nOorzaak\/Oplossing: Als de borgring op de aftakas niet vastklikt of herhaaldelijk losraakt tijdens gebruik, controleer dan het vergrendelingsmechanisme op slijtage of veermoeheid (bij kogel-kraag-modellen) of de klembout op uitrekking of beschadiging van de schroefdraad (bij klem-modellen). Bij CC Lock-modellen kan de borgring versleten zijn. Vervang het vergrendelingsmechanisme door het juiste vervangingsonderdeel voor uw vrijloopmechanisme. Gebruik met een niet-vastgeklikte aftakasring brengt het risico met zich mee dat de as bij hoge snelheid losraakt, wat een extreem veiligheidsrisico vormt. Gebruik een tractoraftakas met een bekend defect aan de aftakasring nooit.<\/p>\n

6. Probleem: Aftakasbescherming draait mee met de as.
\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

\"PTO-as<\/p>\n

Aftakas van de klepelversnipperaar en versnellingsbak van de klepelmaaier<\/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

De aftakas en de versnellingsbak van de klepelmaaier zijn onderling afhankelijke componenten die op elkaar afgestemd moeten zijn. Een goed functionerende aftakas die een soepel, trillingsvrij koppel levert bij de juiste snelheid, verlengt de levensduur van de lagers in de versnellingsbak aanzienlijk. Cyclische belasting door een versleten of verkeerd uitgelijnde aftakas is namelijk een belangrijke oorzaak van vroegtijdige defecten aan de versnellingsbak. Omgekeerd cre\u00ebert een defecte versnellingsbak met versleten lagers of verkeerd uitgelijnde kegeltandwielen weerstand die kan leiden tot oververhitting en vermoeidheid van het kruiskoppelingsstuk en de buisconstructie van de aftakas. CMN Transmission levert zowel aftakassen voor klepelmaaiers als compatibele versnellingsbakken voor klepelmaaiers, waardoor klanten complete aandrijflijnvervangingspakketten kunnen aanschaffen en verzekerd zijn van de juiste capaciteitsafstemming en dimensionale compatibiliteit bij \u00e9\u00e9n betrouwbare leverancier.<\/p>\n

\"Versnellingsbak<\/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
  • Volledige productie in eigen huis: <\/strong>Van ruw legeringsstaal tot afgewerkte, geteste aftakas-aandrijfassen: elke productiefase wordt intern gecontroleerd met CNC-draaibanken, tandwielfreesmachines, warmtebehandelingsovens en co\u00f6rdinatenmeetapparatuur. Dit garandeert volledige traceerbaarheid en een constante kwaliteit van elke batch.<\/li>\n
  • Drievoudig gecertificeerde kwaliteitsborging: <\/strong>CMN Transmission beschikt over ISO9001:2015-, TS16949- en CE-certificeringen, waarmee we onze wereldwijde B2B-klanten onafhankelijk geverifieerde zekerheid bieden over productkwaliteit, de integriteit van het managementsysteem en de naleving van de EU-machinerichtlijn voor alle ge\u00ebxporteerde aftakasproducten voor de landbouw.<\/li>\n
  • Exportervaring op zes continenten: <\/strong>Onze aftakasassen voor tractoren en aandrijflijnproducten voor de landbouw worden ge\u00ebxporteerd naar Noord-Amerika, Europa, Australi\u00eb, Zuid-Amerika, Afrika en Azi\u00eb. Dankzij gevestigde transportpartnerschappen kunnen distributeurs, dealers en OEM-fabrikanten wereldwijd snel, betrouwbaar en tegen concurrerende prijzen internationaal leveren.<\/li>\n
  • Ontwerp op maat van de aftakas: <\/strong>Niet-standaard aftakaslengtes, unieke spiebaanconfiguraties, alternatieve buisprofielen, aftakas met slipkoppeling en overbelastingsbeveiliging, of volledige OEM\/ODM-branding: ons engineeringteam ontwikkelt en levert oplossingen op maat, afgestemd op de precieze specificaties van de klant, met concurrerende levertijden.<\/li>\n<\/ul>\n

    \"Fabrieksuitrusting\"\"Fabrieksuitrusting\"<\/p>\n

    Veelgestelde vragen<\/h2>\n

    V: Welk type aftakas heeft de John Deere 520 klepelversnipperaar nodig?<\/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

    V: Waarom is een homokinetische koppeling belangrijk op de aftakas van een klepelversnipperaar?<\/strong>
    \nA: Een standaard cardanas-aandrijfas-kruiskoppeling produceert een sinusvormige variatie in de uitgaande hoeksnelheid bij elke afbuighoek van de koppeling boven ongeveer 3 graden. Bij het toerental van 1000 tpm van de John Deere 520 en met de grote, zware dubbele rotorconstructie cre\u00ebert deze cyclische snelheidsvariatie koppelpulsen die de lagerslijtage versnellen, de slijtage van de rotorriem verhogen, trillingen veroorzaken en de snijconsistentie verminderen. De PW580 homokinetische koppeling elimineert deze variatie volledig en levert een perfect gelijkmatig koppel bij alle afbuighoeken. Dit is de reden waarom John Deere een homokinetische koppeling voorschrijft voor de 520 in plaats van een standaard kruiskoppeling, en waarom een \u200b\u200bhoogwaardige vervangende aftakas voor klepelversnipperaars een echte homokinetische koppeling moet hebben in plaats van een eenvoudigere cardanasconstructie.<\/p>\n

    V: Hoe bepaal ik de juiste lengte van de aftakas voor mijn John Deere 520-setup?<\/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

    V: Kan ik deze aftakas gebruiken met een tractoraftakas van 540 tpm in plaats van 1000 tpm?<\/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

    V: Zijn er bij CMN Transmission aangepaste afmetingen voor de aftakas en OEM-configuraties beschikbaar?<\/strong>
    \nA: Ja. CMN Transmission biedt complete maatwerkproductie van aftakasassen voor niet-standaard configuraties, inclusief aangepaste afmetingen, alternatieve spiebanen, niet-standaard telescopische lengtes en verschillende combinaties van vrijloopkoppelingen. Wij leveren ook OEM-producten aan fabrikanten van landbouwmachines die een consistente levering van aftakasassen onder hun eigen merknaam nodig hebben. Voor maatwerk en OEM-bestellingen gelden minimale bestelhoeveelheden. Neem contact op met het technische verkoopteam van CMN Transmission met uw specifieke eisen, zoals tractormodel, merk en model van het werktuig, gewenste spiebaanconfiguratie, bedrijfstoerental en vermogen, en wij ontwikkelen een oplossing die perfect aansluit op uw specificaties.<\/p>\n

    V: Wat is het verschil tussen de PW580- en 2500-serie overloopapparaten, en waarom is dat belangrijk?<\/strong>
    \nA: De PW580 homokinetische koppeling en de vrijloopkoppelingen uit de 2500-serie vormen twee verschillende componentfamilies binnen het CAT 6-aandrijfsysteem. De PW580 verwijst specifiek naar de homokinetische koppeling op de hoofdas, terwijl de 2500-serie de vrijloopkoppeling beschrijft die aan de trekkerzijde is gemonteerd. Hoewel de kruisassen van de PW580 en 2580 kruiskoppelingen aan de buitenkant qua afmetingen identiek zijn, zijn de interne lagerschalen, afdichtingen en borgringen niet uitwisselbaar. Dit is van groot belang bij het bestellen van onderdelen: geef altijd de exacte serieaanduiding op bij het bestellen van vervangende aftakasonderdelen, zoals lagersets of kruisasconstructies. Het monteren van de verkeerde interne componenten in een PW580- of 2500-serie behuizing zal leiden tot snelle slijtage en mogelijke schade aan de aandrijflijn.<\/p>\n

    V: Hoe vaak moet ik de breekbout op de aftakas van mijn John Deere 520 vervangen, zelfs als er geen verstopping optreedt?<\/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

    V: Wordt de aftakas geleverd met een beschermkap en voldoet deze aan de CE-veiligheidsnormen?<\/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

    V: Welk type smering en welke frequentie wordt aanbevolen voor de kruiskoppelingen en buis van de aftakas?<\/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

    \"PTO-as<\/p>\n

    Klantenrecensies<\/h2>\n

    Marcus Hollingsworth, bedrijfsleider van een boerderij, Verenigde Staten<\/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, landbouwcontracteur, Itali\u00eb<\/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, handelaar in landbouwmachines, India<\/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, commerci\u00eble landbouwer, Zuid-Afrika<\/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, gewascontracteur, Frankrijk<\/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, agronoom en boerderijeigenaar, Brazili\u00eb<\/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, manager landbouwmachines, Saoedi-Arabi\u00eb<\/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, eigenaar van machinewerkplaats, Polen<\/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":"

    De aftakas voor de John Deere Flail Shredder 520 van CMN Transmission is een nauwkeurig ontworpen landbouwaftakas, speciaal gebouwd om te voldoen aan de veeleisende krachtoverbrengingseisen van de John Deere 520-serie. Deze aftakas werkt met de standaard aftakassnelheid van 1000 tpm en maakt gebruik van een CAT 6 PW580 homokinetische koppeling voor een naadloze, trillingsvrije koppeloverdracht over de volledige maaibreedte van 6 meter van de 520-versnipperaar.<\/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\/nl\/wp-json\/wp\/v2\/product\/6856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/nl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/nl\/wp-json\/wp\/v2\/comments?post=6856"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/nl\/wp-json\/wp\/v2\/media\/6818"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/nl\/wp-json\/wp\/v2\/media?parent=6856"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/nl\/wp-json\/wp\/v2\/product_brand?post=6856"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/nl\/wp-json\/wp\/v2\/product_cat?post=6856"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/nl\/wp-json\/wp\/v2\/product_tag?post=6856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}