eixo de acionamento da tomada de for\u00e7a<\/strong><\/a> for discbine with a true double CV architecture rather than a simpler and cheaper wide-angle shaft.<\/p>\nDuring normal mowing operation, the PTO shaft tractor connection transmits continuous torque to drive the cutterbar discs, the conditioning system (rubber rolls or flail rotor), and the windrow shields. The telescoping PTO shaft tube sections allow the PTO shaft length to vary as the Discbine header rises and falls over uneven terrain and as the tongue angle changes during headland turns. This telescoping action is critical: a PTO shaft that is too short will disengage under extension, while one set too long will bottom out its inner tube and transmit axial force into the CV joints, causing rapid failure. The correct PTO shaft dimensions for the Discbine 1431\/1432 application ensure the shaft operates in the middle of its extension range under normal field conditions, with adequate reserve at both extremes.<\/p>\n
In configurations featuring a PTO shaft with slip clutch or shear bolt PTO shaft protection, the overload device is positioned at the implement input end to interrupt torque transmission before drivetrain damage can occur if the cutterbar encounters a rock, gopher mound, or severe crop blockage. A slip clutch PTO shaft uses a calibrated friction disc that slips at a preset torque, protecting both the shaft and the implement gearbox from shock loads while allowing the machine to resume cutting without stopping to replace a PTO shaft shear bolt. A shear pin PTO shaft design uses a sacrificial bolt or pin that fractures under overload a simple, low-cost protection system that requires the operator to install a replacement PTO shaft shear bolt after each event.<\/p>\n
![\"Eixo](\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/04\/PTO-Shaft-for-New-Holland-Discbine-11.webp\")
<\/p>\n
Applications of PTO Shaft for Disc Mower<\/h2>\n
1. Hay Harvesting<\/strong>
\nThe primary use case for this PTO shaft for New Holland discbine. The disc mower cuts grasses and legumes into windrows or swaths, while the integrated conditioning rolls crimp and crack the stems to accelerate field drying before baling. The double CV tractor PTO shaft delivers smooth, continuous power through the full cutting width of the 13-foot Discbine 1431\/1432, enabling high field speeds and uniform crop placement essential for quality first-crop hay.<\/p>\n2. Forage Harvesting<\/strong>
\nMowing high-value crops such as alfalfa, clover, and ryegrass at the right stage of maturity to maximize nutritional content for livestock feed, whether stored as dry hay or green chop. The PTO driveline shaft for disc mower operations ensures power is delivered without interruption across multiple cuts per season, maintaining consistent disc speed for clean, low-loss cuts that preserve leaf material and maximize forage quality.<\/p>\n3. Silage Production<\/strong>
\nCutting crops at higher moisture levels for fermented silage storage in bunkers, pits, or wrapped bales, where fast, even cutting ensures uniform fermentation. A reliable discbine PTO shaft is critical in silage operations where any downtime represents significant loss of fermentable crop quality. The CAT 6 double CV design handles the torque demands of cutting dense, heavy grass and legume crops at higher field speeds, maintaining throughput in challenging conditions.<\/p>\n4. Manejo de Pastagens<\/strong>
\nTopping and trimming pastures to control rank or stemmy growth, remove weeds, and encourage fresh, palatable re-growth for grazing animals. The agricultural PTO shaft on the Discbine 1431\/1432 efficiently powers the wide cutterbar through varied pasture conditions, including areas with uneven terrain, fire ant mounds, and gopher hills. The center-pivot tongue design allows the mower to follow irregular field boundaries while the double CV PTO drive shaft maintains smooth power delivery at all tongue angles.<\/p>\n5. Cover Crop Termination<\/strong>
\nO corte de culturas de cobertura de inverno, como centeio ou ervilhaca, antes da \u00e9poca de plantio, deixando a biomassa como uma camada protetora para suprimir ervas daninhas e proteger a estrutura do solo, exige um eixo de tomada de for\u00e7a (TDF) robusto e resistente, capaz de lidar com a densidade e o grau de matura\u00e7\u00e3o vari\u00e1veis \u200b\u200bda biomassa da cultura de cobertura. O eixo CAT 6 da CMN Transmission oferece a reserva de torque necess\u00e1ria para um desempenho consistente, mesmo em culturas de cobertura acamadas, \u00famidas ou densas, t\u00edpicas do corte na primavera.<\/p>\n6. Roadside and Specialty Mowing<\/strong>
\nMaintaining roadsides, drainage ditches, airport buffer strips, and conservation headlands where a clean, controlled cut is needed in irregular or sensitive areas. The double CV PTO driveline shaft of the Discbine excels in these environments where frequent angular changes, stops, and starts are required. The 38.5-degree center-pivot tongue swing allows the Discbine 1431\/1432 to navigate tight corners and obstacles while the tractor PTO drive shaft continues delivering smooth, vibration-free power to the cutterbar.<\/p>\n![\"Eixo](\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/04\/PTO-Shaft-for-New-Holland-Discbine-12.webp\")
<\/p>\n
Etapas de instala\u00e7\u00e3o<\/h2>\n
1. Safety Preparation Before Installation
\nBefore beginning any PTO shaft installation work, shut down the tractor engine completely, engage the parking brake, and wait for all rotating components to come to a full stop. Disconnect the PTO by pulling the engagement lever to the disengaged position. Ensure the tractor key is removed and placed in your pocket to prevent accidental restarting. Lower the Discbine header fully to the ground to relieve hydraulic pressure and prevent unintended movement. Wear appropriate personal protective equipment, including heavy gloves, as PTO shaft yoke edges are sharp and cross kits can have burrs from shipping.<\/p>\n
2. Measure and Record the Original PTO Shaft Length
\nBefore removing the old PTO drive shaft for discbine, measure and record the collapsed length and extended length of the existing shaft assembly in the operating position. This measurement is your reference for setting the new shaft to the correct working length. The correct PTO shaft length should leave at least 1\/3 of the inner tube engaged inside the outer tube when the shaft is at maximum extension, and must not bottom out (compress fully) when the Discbine header is fully lowered. Incorrect PTO shaft dimensions are the most common cause of premature CV joint and telescoping failure.<\/p>\n
3. Remove the Old PTO Shaft Assembly
\nRelease the PTO shaft guard retention chain from the tractor and Discbine anchor points. Depress the tractor-side retention collar button and slide the yoke off the tractor PTO stub shaft. Then release the implement-side collar and slide the yoke off the Discbine input shaft. Remove the old shaft assembly and guard. Inspect the tractor PTO stub and Discbine input shaft for wear, corrosion, or damage to the splines. Clean both shafts with a wire brush and apply a thin film of grease to the splines before installing the new disc mower PTO shaft.<\/p>\n
4. Identify and Prepare the New Shaft Ends
\nColoque o novo eixo da tomada de for\u00e7a (TDF) para a semeadora de discos New Holland sobre uma superf\u00edcie limpa. Identifique a extremidade do trator (garfo CV de 80 graus, compat\u00edvel com a especifica\u00e7\u00e3o de estrias do seu trator) e a extremidade do implemento (garfo CV de 50 graus, estrias de 1-1\/2\" x 23). Aplique uma camada generosa de graxa multiuso nas estrias do eixo de entrada do trator e do implemento. Verifique se o mecanismo de travamento do garfo do novo eixo da TDF se move livremente. Se houver um dispositivo de sobrecarga do eixo da TDF com parafuso de cisalhamento, confirme se o parafuso de cisalhamento est\u00e1 instalado corretamente, conforme a documenta\u00e7\u00e3o do produto, antes de prosseguir.<\/p>\n
5. Install and Secure Both Shaft Ends
\nStarting with the implement end, align the PTO shaft splines with the Discbine input shaft, slide the yoke on until the retention collar clicks positively into the locking groove. Confirm engagement by attempting to pull the yoke off \u2014 it should not disengage without depressing the collar button. Repeat the installation for the tractor-side yoke, aligning the splines and pushing firmly until the collar locks. Gently pull-test both connections. Anchor the PTO shaft guard retention chains to their respective attachment points on the tractor and Discbine, ensuring the guard does not rotate with the shaft.<\/p>\n
6. Low-Speed Test Run and Final Verification
\nStart the tractor and engage the PTO at low engine speed (900-1000 RPM engine) while standing well clear of the PTO driveline shaft. Observe the shaft for smooth rotation, correct guard alignment, and any signs of vibration or binding. Raise and lower the Discbine header through its full range of motion with the PTO running at low speed to confirm the shaft telescopes freely and maintains engagement throughout. Once satisfied with the low-speed test, increase engine speed to the rated 540 RPM PTO speed and perform a short field test before returning to full production use. Grease all PTO shaft U-joint cross kits before the first field operation.<\/p>\n
![\"Eixo](\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/04\/PTO-Shaft-for-New-Holland-Discbine-13.webp\")
<\/p>\n
Maintenance Tip for Discbine PTO Drive Shaft<\/h2>\n
1. Regular Greasing of Cross-and-Bearing Kits<\/strong>
\nGrease all PTO shaft U-joint cross-and-bearing kit Zerk fittings every 8 hours of operation or at least once weekly during active harvesting seasons. Use a quality EP2 multi-purpose grease and pump until fresh grease begins to purge from the bearing seals. Under-greasing of the PTO shaft universal joint assemblies is the single most common cause of premature cross bearing failure on agricultural PTO shafts. Do not use high-pressure grease guns at excessive pressure, as this can blow out the bearing needle roller cups.<\/p>\n2. PTO Shaft Guard Inspection<\/strong>
\nInspect the PTO shaft guard and PTO shaft cover assembly before every use. Look for cracks, missing sections, or damage to the plastic guard halves. Check that the retention chains are intact and firmly anchored. A damaged or missing PTO shaft guard creates a serious operator entanglement hazard and is a regulatory violation in most jurisdictions. Replace any cracked or broken guard sections immediately; CMN Transmission supplies replacement guard parts and components as part of our PTO shaft parts range.<\/p>\n3. PTO Shaft Tube and Spline Lubrication<\/strong>
\nThe telescoping PTO shaft tubing sections should be separated and lubricated at the beginning of each working season and after any prolonged storage period. Separate the two tube sections, clean the inner tube profile and outer tube bore with a brush, and apply a light film of grease before re-engaging. Lubricated PTO shaft tube profiles telescope smoothly throughout the working range, preventing the binding and jerky extension that causes fatigue cracking in the shaft tube walls and damages the CV joints through axial shock loading.<\/p>\n4. U-Joint and CV Joint Play Inspection<\/strong>
\nWith the PTO disengaged and the tractor shut down, manually grasp each yoke on the PTO drive shaft and check for angular play in the PTO shaft U-joint and CV joints by attempting to rock the yoke relative to the adjacent shaft section. Any detectable radial play in the cross bearings indicates wear that will quickly progress to total bearing failure and shaft vibration. Identify and replace worn PTO shaft universal joint cross kits before the season begins to prevent in-field breakdowns at critical harvesting time.<\/p>\n5. Prepara\u00e7\u00e3o para armazenamento sazonal<\/strong>
\nAt the end of the harvesting season, disconnect the disc mower PTO shaft from both tractor and implement, clean the shaft and guard assembly thoroughly, and apply a preservative grease to all exposed metal surfaces including the spline yokes and PTO shaft tube profiles. Store the shaft horizontally in a dry, covered location away from UV exposure, which degrades the plastic PTO shaft cover and guard components over time. Using the original packaging or a purpose-made shaft storage bracket prevents the shaft from being stepped on or accidentally run over during storage.<\/p>\n6. Shear Bolt Inspection and Replacement<\/strong>
\nOn units equipped with a shear bolt PTO shaft or shear pin PTO shaft overload protection device, visually inspect the PTO shaft shear bolt at the beginning of each operating day. A shear bolt that has been partially sheared but has not fully fractured provides inadequate overload protection and should be replaced immediately with the correct grade and specification bolt. Never substitute a higher-grade bolt as this defeats the protection function. Always carry a supply of correct replacement shear bolts in the tractor toolbox when operating in rocky or debris-prone fields where overload events are more likely.<\/p>\n![\"Eixo](\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/04\/PTO-Shaft-for-New-Holland-Discbine-19.webp\")
<\/p>\n
Solu\u00e7\u00e3o de problemas comuns<\/h2>\n
1. Vibra\u00e7\u00e3o excessiva durante a opera\u00e7\u00e3o
\nCause: Worn or failed PTO shaft U-joint cross bearings, imbalanced shaft assembly, or incorrect shaft phasing angle. Fix: Check all PTO shaft universal joint cross kits for radial play. Replace worn kits. Verify the two shaft tube sections are assembled with yoke ears in the same plane (correct phasing). If vibration persists with new cross kits, inspect the PTO shaft yoke for cracks or bends and replace if damaged. Verify shaft is not operating at extreme extension or compression throughout the field operation cycle.<\/p>\n
2. CV Joint Binding or Stiff Articulation
\nCause: Insufficient lubrication, contamination of the CV joint internals, or operating beyond the rated angular range. Fix: Grease the CV joint through its dedicated Zerk fitting. If binding persists after greasing, the CV joint internals may be contaminated or scored from previous dry operation. In this case, the CV joint assembly requires replacement. Ensure the Discbine center-pivot tongue does not swing beyond 38.5 degrees during field operation, as exceeding the CV joint angular limit causes internal binding and rapid wear in the PTO drive shaft for discbine.<\/p>\n
3. Unusual Clicking or Knocking Noise
\nCause: Failed or severely worn cross bearing needle rollers, loose yoke collar, or debris caught in the guard assembly. Fix: Stop operation immediately upon noticing unusual noises from the tractor PTO shaft assembly. Disengage PTO, shut down, and inspect all cross kits for needle roller failure (indicated by metallic particles in the grease or visible scoring of the cross pin journals). Replace any failed cross-and-bearing kits. Inspect the PTO shaft guard for contact with the rotating shaft that could indicate guard mounting chain failure. Do not continue operating with a noisy PTO driveline shaft.<\/p>\n
4. Shaft Disengaging from Implement Under Load
\nCause: Worn retention collar locking groove on the implement input shaft or worn collar retention button on the PTO shaft yoke. Fix: Inspect the implement input shaft locking groove for rounding or wear. If the groove is worn, the input shaft may require replacement. Inspect the PTO shaft yoke collar button and spring mechanism; if the spring tension is weak or the button is worn, replace the yoke collar assembly. Never operate with a shaft that is not positively retained on both ends, as disconnection under load creates serious safety and equipment damage risks.<\/p>\n
5. Telescoping Sections Difficult to Extend
\nCause: Corrosion, lack of lubrication, or impact damage to the PTO shaft tube profiles causing binding. Fix: Separate the inner and outer PTO shaft tubing sections, clean the telescoping profiles with a wire brush to remove corrosion and dried grease, then lubricate generously with EP grease before reassembly. If the profile sections have been bent from impact damage, they may need to be replaced. To prevent recurrence, lubricate the profiles at the start of each season and after washing the shaft with a pressure washer, which can strip lubrication from the tube profiles.<\/p>\n
6. Premature Cross Bearing Failure
\nCause: Inadequate greasing intervals, overspeeding (running at 1000 RPM on a 540-rated agricultural PTO shaft), or operating at excessive angular deflection. Fix: Review and increase greasing frequency to a maximum of every 8 operating hours. Confirm the tractor PTO is operating at 540 RPM, not 1000 RPM. Inspect the Discbine tongue angle during operation to confirm it is within the rated angular range of the CV joint. If cross bearing life is consistently short despite correct maintenance, the operating condition (field speed, crop density, terrain) may require upgrading to a higher-series heavy duty PTO shaft.<\/p>\n
![\"Eixo](\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/04\/PTO-Shaft-for-New-Holland-Discbine-14.webp\")
<\/p>\n
Disc Mower PTO Shaft and Disc Mower Gearbox<\/h2>\n
O eixo da tomada de for\u00e7a (TDF) da segadora de discos \u00e9 o componente externo de transmiss\u00e3o de pot\u00eancia que conecta o trator \u00e0 segadora de discos ou \u00e0 segadora-condicionadora de discos. No contexto das segadoras-condicionadoras de discos New Holland 1431 e 1432, o eixo da TDF \u00e9 um conjunto de dupla velocidade constante CAT 6 que transfere a pot\u00eancia rotacional do eixo da TDF do trator a 540 RPM para a caixa de engrenagens principal da segadora. O design de dupla velocidade constante \u00e9 especialmente adequado para aplica\u00e7\u00f5es de segadoras de discos de corte largo, pois elimina a vibra\u00e7\u00e3o torsional e a flutua\u00e7\u00e3o de velocidade sob grandes deflex\u00f5es angulares, inerentes ao design de articula\u00e7\u00e3o central dessas m\u00e1quinas. Este eixo da TDF do trator fica exposto \u00e0s intemp\u00e9ries, sujeito a altera\u00e7\u00f5es angulares durante a opera\u00e7\u00e3o, e deve ser rotineiramente mantido e periodicamente substitu\u00eddo como componente de servi\u00e7o. A CMN Transmission fornece a linha completa de pe\u00e7as para eixos de TDF, incluindo juntas homocin\u00e9ticas de reposi\u00e7\u00e3o, kits de cruzeta, garfos, prote\u00e7\u00f5es e conjuntos completos de eixo para manter a continuidade operacional durante toda a vida \u00fatil do implemento.<\/p>\n
The disc mower gearbox is the enclosed power distribution system inside the disc mower cutterbar itself. In the New Holland Discbine modular design, this refers to both the main input gearbox (which receives power from the agricultural PTO shaft and distributes it to the cutterbar) and the individual sealed disc module gear cases that step up the speed from the module driveline to the disc speed of approximately 3,000 RPM. Each disc module gear case is individually sealed and lubricated, containing precision-forged bevel and spur gears that convert the relatively low-speed driveline rotation into the high-speed disc rotation required for efficient, clean crop cutting. The disc mower gearbox operates in a continuous enclosed oil bath, is largely maintenance-free between 200-hour oil change intervals, and is designed to be individually replaced if a single module is damaged, without requiring replacement of the entire cutterbar. CMN Transmission manufactures and supplies a complete range of disc mower gearboxes, including center input gearboxes, intermediate module gearboxes, and end module assemblies, compatible with New Holland Discbine and other leading disc mower brands.<\/p>\n
O eixo da tomada de for\u00e7a (TDF) da segadora de discos e o sistema de caixa de engrenagens da segadora de discos s\u00e3o funcionalmente insepar\u00e1veis: um fornece pot\u00eancia \u00e0 m\u00e1quina, o outro a distribui atrav\u00e9s do mecanismo de corte. A interface entre eles \u00e9 o eixo de entrada do implemento, onde o eixo da TDF do garfo da segadora de discos engata no eixo de entrada da caixa de engrenagens principal da barra de corte atrav\u00e9s da conex\u00e3o estriada de 1-1\/2\u2033 x 23. Se o eixo de acionamento da TDF fornecer pot\u00eancia com vibra\u00e7\u00e3o torsional (como ocorreria com um eixo desgastado ou incorreto), os picos de torque c\u00edclicos s\u00e3o transmitidos diretamente para o rolamento de entrada da caixa de engrenagens, acelerando o desgaste e potencialmente fraturando os dentes da engrenagem. Por outro lado, um rolamento de entrada ou engrenagem danificados na caixa de engrenagens podem fazer com que o eixo da TDF fique desalinhado, acelerando o desgaste da junta homocin\u00e9tica e do rolamento transversal. \u00c9 por isso que a CMN Transmission recomenda a inspe\u00e7\u00e3o conjunta do eixo de transmiss\u00e3o da TDF e da caixa de engrenagens da segadora de discos durante qualquer manuten\u00e7\u00e3o, e \u00e9 por isso que mantemos em estoque ambas as fam\u00edlias de produtos para permitir a aquisi\u00e7\u00e3o centralizada para nossos clientes agr\u00edcolas globais.<\/p>\n
![\"Caixa](\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/04\/0_Disc-Mower-Gearbox-1.webp\")
<\/p>\n
Por que escolher os eixos de tomada de for\u00e7a (PTO) agr\u00edcolas da CMN Transmission?<\/h2>\n
A CMN Transmission (Coreia) se destaca como uma das principais fornecedoras mundiais de solu\u00e7\u00f5es de transmiss\u00e3o de pot\u00eancia para os setores industrial e agr\u00edcola, com uma linha completa de produtos que inclui eixos de acionamento de tomada de for\u00e7a (TDF), caixas de engrenagens agr\u00edcolas, cilindros hidr\u00e1ulicos, caixas de engrenagens planet\u00e1rias, caixas de engrenagens helicoidais, engrenagens c\u00f4nicas, rodas dentadas, correntes, cremalheiras, polias, buchas c\u00f4nicas, acoplamentos e muito mais. Com sede em Ansan-si, Gyeonggi-do, Coreia, e uma base de produ\u00e7\u00e3o dedicada, al\u00e9m de mais de 10 f\u00e1bricas cooperativas com participa\u00e7\u00e3o acion\u00e1ria, mantemos um estoque de mais de 150.000 produtos padr\u00e3o e atendemos clientes em mais de 53 pa\u00edses nas Am\u00e9ricas do Norte, Europa, Am\u00e9rica do Sul, Oriente M\u00e9dio, \u00c1frica, Sudeste Asi\u00e1tico e Oceania.<\/p>\n
What sets CMN Transmission apart in the agricultural PTO shaft market is our commitment to factory-direct pricing without sacrificing quality. As an integrated manufacturing and trading company, we eliminate the multiple dealer markups that inflate the cost of OEM replacement parts. Every tractor PTO shaft we produce is manufactured using advanced CAD design, precision CNC machining, modern heat treatment processes, and rigorous quality testing. Our products carry ISO9001, CE, and TS16949 certifications, ensuring compliance with international safety and performance standards.<\/p>\n
Beyond product quality, we offer a level of customer support that large OEM brands often cannot match. Our technical team provides pre-sale consultation to confirm spline configurations, PTO shaft dimensions, and clutch specifications for your exact tractor and implement combination. We offer custom PTO shaft parts for non-standard applications and provide detailed dimensional drawings upon request. After the sale, our one-stop after-sales service ensures that replacement PTO shaft parts, technical guidance, and warranty support are always accessible. When you choose CMN Transmission, you are choosing a partner committed to keeping your equipment running efficiently, reliably, and safely, season after season.<\/p>\n
![\"Equipamentos](\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/Factory-Equipment-3.webp\")
![\"Equipamentos](\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/Factory-Equipment-1.webp\")
<\/p>\n
Perguntas frequentes<\/h2>\n
Q: What PTO shaft fits the New Holland Discbine 1431 and 1432?<\/strong>
\nR: O eixo de tomada de for\u00e7a (TDF) correto para as segadoras de discos New Holland 1431 e 1432 \u00e9 um eixo de dupla velocidade constante (Duplo CV) CAT 6, equivalente \u00e0 configura\u00e7\u00e3o original Weasler 55N de 80\u00d750 graus. A extremidade do implemento requer um garfo de 1-1\/2\u2033 x 23 estrias. A extremidade do trator est\u00e1 dispon\u00edvel em 1-3\/8\u2033 x 21 estrias (para a maioria dos tratores utilit\u00e1rios) ou 1-3\/4\u2033 x 20 estrias (para tratores de maior pot\u00eancia). Os modelos 1431 (condicionador de rolos de borracha) e 1432 (condicionador de martelos) utilizam o mesmo eixo de TDF para a especifica\u00e7\u00e3o de segadora de discos, pois ambos compartilham a mesma barra de corte, entrada da caixa de engrenagens e conjunto da lingueta do piv\u00f4 central.<\/p>\nQ: What does CAT 6 mean for PTO shaft classification?<\/strong>
\nA: CAT 6 refers to the ISO 500 series classification system for agricultural PTO shafts, which categorizes shafts by their torque rating and physical dimensions. The category system runs from CAT 1 (light duty) through CAT 8 (very heavy duty). CAT 6 is a heavy-duty PTO driveline shaft category rated for high-torque implements such as 10-disc to 12-disc wide-cut disc mower-conditioners. The PTO shaft dimensions, tube diameter, wall thickness, yoke size, and cross kit specifications for CAT 6 shafts are standardized under ISO 500, ensuring interchangeability between brands in the same category when correctly specified.<\/p>\nQ: Can I use a 1000 PTO shaft on a New Holland Discbine 1431\/1432?<\/strong>
\nR: N\u00e3o. As semeadoras de discos New Holland 1431 e 1432 s\u00e3o projetadas para operar exclusivamente a 540 RPM. O uso de um eixo de tomada de for\u00e7a (TDF) de 1000 RPM nesses modelos causaria uma sobrevelocidade severa do sistema de discos de corte (projetado para 3000 RPM com uma entrada de TDF de 540 RPM) e do sistema de condicionamento, resultando em danos catastr\u00f3ficos imediatos \u00e0 transmiss\u00e3o do implemento. Sempre verifique a sele\u00e7\u00e3o de velocidade da TDF do seu trator (a maioria dos tratores modernos oferece sa\u00eddas de 540 e 1000 RPM) e confirme se est\u00e1 configurada para 540 RPM antes de acionar a semeadora de discos. A CMN Transmission tamb\u00e9m fabrica conjuntos de eixo de TDF de 1000 RPM para outras aplica\u00e7\u00f5es de implementos; especifique a velocidade de opera\u00e7\u00e3o correta ao fazer o pedido.<\/p>\nQ: Why does a disc mower need a double CV PTO shaft instead of a standard wide-angle shaft?<\/strong>
\nA: The New Holland Discbine 1431\/1432 center-pivot tongue swings up to 38.5 degrees in either direction during field operation. At these large angles, a single wide-angle CV joint still introduces a velocity variation in the power delivery (second-order vibration), causing torque pulses that damage the implement gearbox input bearing and shorten the service life of the PTO shaft universal joint assemblies. A discbine PTO shaft with true double CV geometry uses two complementary CV joints to cancel this velocity variation completely, delivering smooth, constant rotational speed to the Discbine input shaft regardless of tongue angle. This is why the original equipment on the 1431 and 1432 is a double CV shaft, not a simpler single-CV or standard PTO drive shaft.<\/p>\nQ: Is this PTO shaft a direct replacement for the original Weasler unit?<\/strong>
\nR: Sim. Este eixo de transmiss\u00e3o CMN foi projetado como um substituto funcional para o eixo da tomada de for\u00e7a (TDF) da Weasler, atendendo \u00e0 mesma especifica\u00e7\u00e3o da s\u00e9rie 55N CAT 6 de junta homocin\u00e9tica dupla. As dimens\u00f5es da estria do garfo, os \u00e2ngulos da junta homocin\u00e9tica (80 graus para o trator \/ 50 graus para o implemento) e a geometria geral do eixo s\u00e3o dimensionalmente equivalentes ao equipamento original da Weasler. As dimens\u00f5es do eixo da TDF e as especifica\u00e7\u00f5es de interface correspondem exatamente aos requisitos do eixo de entrada das semeadoras de discos New Holland 1431 e 1432. N\u00e3o \u00e9 necess\u00e1rio nenhum adaptador ou modifica\u00e7\u00e3o para a instala\u00e7\u00e3o. O pre\u00e7o direto da f\u00e1brica da CMN Transmission geralmente representa uma economia de custo de 40-60% em compara\u00e7\u00e3o com o pre\u00e7o de substitui\u00e7\u00e3o do fabricante original, mantendo o mesmo desempenho de engenharia.<\/p>\nQ: Can I order a custom PTO shaft length from CMN Transmission?<\/strong>
\nA: Yes. CMN Transmission offers custom PTO shaft manufacturing for non-standard PTO shaft length requirements. If your tractor-to-implement spacing differs from the standard Discbine configuration due to a drawbar extension, front hitch adapter, or other modification, our engineering team can manufacture a shaft to your specified collapsed and extended length. When requesting a custom PTO shaft, please provide the compressed length (shaft at minimum length), extended length (shaft at maximum operating length), tractor spline, implement spline, CV joint angle requirements, and operating PTO speed. Dimensional drawings are available upon request for pre-order verification.<\/p>\nQ: How do I know when my PTO shaft U-joints need replacing?<\/strong>
\nA: Warning signs that your PTO shaft U-joint or PTO shaft universal joint cross kits need replacement include: noticeable vibration or shuddering during PTO engagement that was not previously present; clicking or knocking sounds from the shaft at operating speed; visible rust staining or metallic debris around the cross bearing caps; any detectable angular play when manually rocking the yoke against the cross pin with the PTO disengaged and the tractor shut down; or cross bearing caps that are visibly cracked, split, or have lost their needle rollers. Do not continue operating with failed cross kits, as secondary damage to the yoke bores makes the repair significantly more expensive. CMN Transmission supplies replacement cross-and-bearing kit assemblies as individual PTO shaft parts.<\/p>\nQ: Does this PTO shaft include a slip clutch overload protection?<\/strong>
\nA: A configura\u00e7\u00e3o padr\u00e3o deste eixo de tomada de for\u00e7a (TDF) para segadora de discos n\u00e3o inclui embreagem deslizante nem dispositivo de sobrecarga com parafuso de cisalhamento, visto que as segadoras de discos New Holland 1431 e 1432 incorporam prote\u00e7\u00e3o contra sobrecarga na pr\u00f3pria transmiss\u00e3o do implemento. No entanto, se o seu ambiente de opera\u00e7\u00e3o ou os requisitos do seu seguro exigirem um eixo de TDF com embreagem deslizante ou um conjunto de eixo de TDF com embreagem deslizante como camada adicional de prote\u00e7\u00e3o, a CMN Transmission pode fornecer essa configura\u00e7\u00e3o. A vers\u00e3o com embreagem deslizante utiliza uma embreagem de disco de fric\u00e7\u00e3o calibrada que desliza com um torque predefinido sem necessidade de interven\u00e7\u00e3o do operador para ser reiniciada, tornando-a ideal para empreiteiros que operam em grande volume em campos com pedras ou detritos escondidos. Especifique essa necessidade no momento do pedido.<\/p>\nQ: How do I properly grease the PTO shaft cross kits and CV joints?<\/strong>
\nA: To grease the PTO shaft U-joint cross-and-bearing kits on your agricultural PTO shaft, locate the Zerk grease fittings on each cross kit (one fitting per cross, typically accessible through the guard). Use a standard grease gun loaded with EP2 multi-purpose grease. Apply steady pressure until fresh grease begins to emerge from the bearing seal lips on all four bearing cups of the cross, confirming that all needle rollers have received fresh lubrication. Do not apply excessive pressure, which can blow out bearing seals. The CV joint center ball assembly should also be greased through its dedicated fitting. Grease intervals: every 8 operating hours during active use, and before any period of storage exceeding two weeks.<\/p>\nQ: What tractor horsepower is required to run the Discbine 1431\/1432 with this PTO shaft?<\/strong>
\nA: As segadoras-condicionadoras New Holland Discbine 1431 e 1432 possuem 10 discos e largura de corte de 4 metros (13 p\u00e9s). A New Holland especifica que elas requerem aproximadamente 80 a 100 cavalos de pot\u00eancia na tomada de for\u00e7a (TDF) para um desempenho ideal. Este eixo de TDF refor\u00e7ado CAT 6 da CMN Transmission foi projetado para suportar as cargas de torque associadas a essa faixa de pot\u00eancia. O conjunto do eixo de TDF e do eixo de transmiss\u00e3o da TDF do trator foi projetado para transmitir toda a pot\u00eancia de um trator de 100 HP continuamente, sem superaquecimento ou falha por fadiga em condi\u00e7\u00f5es normais de opera\u00e7\u00e3o. O uso de um trator com menos de 80 HP na TDF pode resultar em desempenho inferior em condi\u00e7\u00f5es de culturas densas ou \u00famidas, mas n\u00e3o danificar\u00e1 o eixo. Sempre selecione a op\u00e7\u00e3o de estrias correta para o seu trator (1-3\/8\u2033 x 21 ou 1-3\/4\u2033 x 20).<\/p>\n![\"Eixo](\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/04\/PTO-Shaft-for-New-Holland-Discbine-18.webp\")
<\/p>\n
Avalia\u00e7\u00f5es de clientes<\/h2>\n
Marcus Hollingsworth, Gerente Agr\u00edcola, Estados Unidos<\/strong>
\n\"J\u00e1 faz quase tr\u00eas anos que uso uma Discbine 1431 na nossa propriedade de 48 hectares de feno, e quando o eixo original da Weasler finalmente desgastou as juntas universais na primavera passada, comecei a procurar uma pe\u00e7a de reposi\u00e7\u00e3o decente que n\u00e3o me custasse uma fortuna na concession\u00e1ria. Encontrei a CMN Transmission online e, sinceramente, n\u00e3o sabia o que esperar, mas as especifica\u00e7\u00f5es batiam perfeitamente: 1-3\/8 x 21 estrias na extremidade do trator, 1-1\/2 x 23 na Discbine, e a configura\u00e7\u00e3o de junta homocin\u00e9tica dupla 80x50 era exatamente a certa. Instalei em cerca de 45 minutos, liguei a tomada de for\u00e7a a 540 rpm e funcionou perfeitamente, cortando alfafa de primeira colheita. J\u00e1 acumulamos cerca de 200 horas de uso sem nenhum problema. A qualidade de constru\u00e7\u00e3o \u00e9 s\u00f3lida, o tubo de prote\u00e7\u00e3o parece robusto e os kits de transmiss\u00e3o s\u00e3o lubrific\u00e1veis, o que eu realmente aprecio. O pre\u00e7o foi cerca de 60% menor do que o or\u00e7amento da concession\u00e1ria. Compraria novamente sem hesitar.\" pergunta.\"<\/p>\nThomas MacCallum, Farm Owner, Canada<\/strong>
\n\u201cOperamos uma fazenda mista de gr\u00e3os e feno no sul de Ont\u00e1rio e dependemos do nosso trator New Holland 1432 para todo o nosso trabalho com forragem. O eixo de transmiss\u00e3o da tomada de for\u00e7a (TDF) original quebrou no meio da temporada, em agosto passado \u2013 o pior momento poss\u00edvel, com o feno da segunda colheita pronto para ser colhido. Encomendei um eixo de TDF de reposi\u00e7\u00e3o para a segadora de discos da CMN Transmission e fiquei sinceramente surpreso com a rapidez da entrega \u2013 chegou em cerca de 8 dias \u00fateis. O eixo CV duplo CAT 6 encaixou perfeitamente no nosso trator e na segadora de discos, sem necessidade de adaptador. O encaixe de 1-1\/2 x 23 estrias foi perfeito. Temos usado o equipamento intensamente desde ent\u00e3o em planta\u00e7\u00f5es de azev\u00e9m e trevo-tim\u00f3teo, e ele suporta a carga de torque sem problemas. A equipe de suporte t\u00e9cnico respondeu prontamente \u00e0 minha pergunta sobre a compatibilidade das estrias, antes mesmo de eu fazer o pedido. \u00d3timo custo-benef\u00edcio, servi\u00e7o r\u00e1pido, produto s\u00f3lido.\u201d<\/p>\nJames Whitfield, Agricultural Contractor, Australia<\/strong>
\n\"Administramos uma empresa de fena\u00e7\u00e3o em Victoria, cortando principalmente azev\u00e9m, trevo subterr\u00e2neo e feno de aveia. Temos duas unidades Discbine 1431 trabalhando durante toda a temporada e o desgaste do eixo da tomada de for\u00e7a (TDF) \u00e9 inevit\u00e1vel quando se trabalha tantas horas. J\u00e1 compramos pe\u00e7as de reposi\u00e7\u00e3o da Weasler em concession\u00e1rias locais, mas o pre\u00e7o continua subindo. Decidimos experimentar a CMN Transmission por recomenda\u00e7\u00e3o de outro prestador de servi\u00e7os. Encomendamos dois eixos CV duplos CAT 6 completos \u2013 um com estrias de 1-3\/8 x 21 e outro com estrias de 1-3\/4 x 20 para tratores, para se adequarem aos nossos diferentes tratores, ambos com terminais de implemento de 1-1\/2 x 23. Ambos encaixaram de primeira, sem problemas. Usamos durante toda a temporada de corte \u2013 algo em torno de 400 horas combinadas \u2013 e eles se sa\u00edram muito bem. O tubo do eixo da TDF \u00e9 de a\u00e7o maci\u00e7o, n\u00e3o \u00e9 aquele material fino e fr\u00e1gil. Cliente satisfeito, farei mais pedidos quando precisar.\"<\/p>\nKlaus Hoffmann, Dairy Farmer, Germany<\/strong>
\n\u201cAdministramos uma fazenda leiteira de 180 hectares na Baviera e usamos uma ensiladeira New Holland Discbine 1432 para a silagem de capim. Quando o eixo da tomada de for\u00e7a (TDF) original se desgastou ap\u00f3s cinco temporadas de uso intenso, entrei em contato com a CMN Transmission e a equipe t\u00e9cnica deles foi extremamente prestativa em confirmar a configura\u00e7\u00e3o correta da junta homocin\u00e9tica e as especifica\u00e7\u00f5es das estrias para o meu trator Fendt. O eixo da TDF agr\u00edcola de dupla junta homocin\u00e9tica CAT 6 que eles forneceram encaixou perfeitamente \u2013 \u00e2ngulos de 80x50 graus e a estria de 1-1\/2 x 23 para implementos engatou sem problemas. A qualidade de constru\u00e7\u00e3o \u00e9 s\u00f3lida e o conjunto de prote\u00e7\u00e3o \u00e9 robusto. O envio para a Alemanha levou cerca de 12 dias \u00fateis, o que foi aceit\u00e1vel. O pre\u00e7o foi significativamente menor do que o cotado pela concession\u00e1ria New Holland local para uma pe\u00e7a de reposi\u00e7\u00e3o original. Desde ent\u00e3o, j\u00e1 utilizamos a m\u00e1quina por mais de 300 horas, cortando capim e misturas de leguminosas, sem nenhum problema. Compraria novamente sem hesitar.\u201d<\/p>\nPierre Morisset, Livestock Farmer, France<\/strong>
\n\u201cSou respons\u00e1vel por uma fazenda de gado de corte na Bretanha, com cerca de 140 hectares de pastagens permanentes, e nosso trator New Holland 1431 sofre bastante desgaste todos os anos ao cortar a vegeta\u00e7\u00e3o costeira densa e \u00famida. O eixo de transmiss\u00e3o da tomada de for\u00e7a (TDF) original do trator come\u00e7ou a apresentar folga nas juntas universais ap\u00f3s cerca de tr\u00eas temporadas. Um colega agricultor me indicou a CMN Transmission e estou muito feliz por isso. Especifiquei a extremidade para trator de 1-3\/8 x 21 e a extremidade para implemento de 1-1\/2 x 23, confirmei que a configura\u00e7\u00e3o de dupla junta homocin\u00e9tica estava correta e fiz o pedido. O eixo chegou em cerca de 10 dias. A instala\u00e7\u00e3o foi simples e levou menos de uma hora. As dimens\u00f5es do eixo da TDF estavam corretas, os garfos se encaixaram perfeitamente e as juntas homocin\u00e9ticas articulam suavemente em toda a amplitude de dire\u00e7\u00e3o da lan\u00e7a de piv\u00f4 central da Discbine. Estou muito satisfeito com a qualidade e o custo-benef\u00edcio. A entrega foi mais r\u00e1pida do que eu esperava.\u201d<\/p>\nWilliam Hargreaves, Grassland Farmer, United Kingdom<\/strong>
\n\"Tenho uma fazenda de cerca de 350 acres de terras ar\u00e1veis \u200b\u200be pastagens mistas em Yorkshire. Cortamos feno e silagem com uma New Holland 1432 acoplada a um trator New Holland T6. O eixo de transmiss\u00e3o da tomada de for\u00e7a original come\u00e7ou a bater na primavera passada \u2013 o diagn\u00f3stico foi de juntas universais desgastadas. Em vez de pagar os pre\u00e7os da concession\u00e1ria, comprei um eixo de transmiss\u00e3o completo para a segadora de discos na CMN Transmission. Encomendei a unidade CV dupla CAT 6 com estrias de 1-3\/4 x 20 para o trator e 1-1\/2 x 23 para o implemento. Chegou \u00e0 nossa fazenda em uma semana. A instala\u00e7\u00e3o foi limpa e simples. O di\u00e2metro do tubo do eixo da tomada de for\u00e7a \u00e9 bom; a prote\u00e7\u00e3o cobre todo o comprimento de trabalho adequadamente. J\u00e1 o utilizei em tr\u00eas cortes de azev\u00e9m e trevo este ano sem problemas. A \u00fanica observa\u00e7\u00e3o \u00e9 que as instru\u00e7\u00f5es de instala\u00e7\u00e3o poderiam ser mais detalhadas \u2013 mas a instala\u00e7\u00e3o em si n\u00e3o apresentou dificuldades. O pre\u00e7o foi muito competitivo em compara\u00e7\u00e3o com os pre\u00e7os das concession\u00e1rias no Reino Unido. Compraria da CMN novamente.\"<\/p>\nShane O'Brien, empreiteiro de feno, Nova Zel\u00e2ndia<\/strong>
\n\u201cFazemos servi\u00e7os de corte e enfardamento de feno por contrato nas plan\u00edcies de Canterbury, utilizando duas semeadoras de discos New Holland \u2013 uma 1431 e uma 1432. Quando se utiliza uma m\u00e1quina por mais de 800 horas por temporada, as pe\u00e7as do eixo da tomada de for\u00e7a (TDF) s\u00e3o consum\u00edveis, na minha opini\u00e3o. Encontrei a CMN Transmission por meio de uma busca online quando precisei de um eixo de TDF agr\u00edcola de reposi\u00e7\u00e3o para a 1431. Estava c\u00e9tico em rela\u00e7\u00e3o a encomendar do exterior, mas o envio foi mais r\u00e1pido do que o esperado e as especifica\u00e7\u00f5es do eixo estavam corretas \u2013 CAT 6 com junta homocin\u00e9tica dupla, rosca de 1-3\/8 x 21 estrias na extremidade do trator e rosca de 1-1\/2 x 23 na extremidade do implemento. O encaixe foi perfeito no nosso trator com TDF 540. A qualidade \u00e9 compar\u00e1vel \u00e0s unidades Weasler originais que usei anteriormente, e o pre\u00e7o \u00e9 substancialmente menor. A prote\u00e7\u00e3o do eixo da TDF parece dur\u00e1vel e os pontos de lubrifica\u00e7\u00e3o nos kits de transmiss\u00e3o s\u00e3o de f\u00e1cil acesso. J\u00e1 fiz um segundo pedido.\u201d<\/p>\nCarlos Eduardo Ferreira, Ranch Owner, Brazil<\/strong>
\n\u201cOperamos uma fazenda de 500 hectares no estado de S\u00e3o Paulo, onde cultivamos feno e silagem, e nossa ceifadeira-debulhadora New Holland Discbine 1432 \u00e9 a espinha dorsal da nossa opera\u00e7\u00e3o de forragem. Quando o eixo de acionamento da tomada de for\u00e7a (TDF) original come\u00e7ou a apresentar desgaste nos mancais transversais ap\u00f3s duas safras intensas de corte de pastagens adjacentes \u00e0 cana-de-a\u00e7\u00facar e sorgo, pesquisei online e encontrei a CMN Transmission. A equipe t\u00e9cnica deles confirmou a especifica\u00e7\u00e3o correta \u2013 CAT 6 com junta homocin\u00e9tica dupla, estrias de 1-1\/2 x 23 para implementos \u2013 e o eixo chegou em cerca de 14 dias. O engate do garfo do eixo da TDF estava firme e correto, sem nenhuma folga. J\u00e1 completamos duas safras de silagem com este eixo e ele est\u00e1 se saindo muito bem. O pre\u00e7o foi muito competitivo em compara\u00e7\u00e3o com a importa\u00e7\u00e3o de pe\u00e7as originais. Recomendo fortemente a CMN Transmission para quem precisa de pe\u00e7as de eixo de TDF de qualidade a um pre\u00e7o justo.\u201d<\/p>\nRoberto Alejandro Guzman, Forage Contractor, Argentina<\/strong>
\n\u201cTrabalho como prestador de servi\u00e7os de forragem na regi\u00e3o dos Pampas, na Argentina, cortando alfafa, azev\u00e9m e sorgo para abastecer a pecu\u00e1ria local. Uma das minhas m\u00e1quinas \u00e9 uma New Holland Discbine 1431 e, quando o eixo da tomada de for\u00e7a (TDF) original finalmente se desgastou ap\u00f3s anos de uso intenso, um colega que havia comprado da CMN Transmission me recomendou a empresa. Encomendei um eixo de TDF refor\u00e7ado com estrias de 1-3\/8 x 21 para trator e rosca de 1-1\/2 x 23 para implemento. A entrega para a Argentina levou cerca de 18 dias, o que foi razo\u00e1vel. O eixo em si \u00e9 bem constru\u00eddo \u2013 o design de junta homocin\u00e9tica dupla suporta a articula\u00e7\u00e3o da lan\u00e7a do piv\u00f4 central da Discbine sem qualquer vibra\u00e7\u00e3o ou travamento percept\u00edvel. A tampa e a prote\u00e7\u00e3o do eixo da TDF s\u00e3o robustas e atendem aos padr\u00f5es de seguran\u00e7a. Ap\u00f3s uma safra completa de alfafa com este eixo, estou satisfeito com o investimento. Boa qualidade, pre\u00e7o justo, recomendo.\u201d<\/p>","protected":false},"excerpt":{"rendered":"Looking for a reliable replacement PTO shaft for New Holland Discbine 1431 or 1432 disc mower? CMN Transmission delivers a precision-engineered CAT 6 Double Constant Velocity PTO drive shaft built to OEM fit specifications, engineered as a direct replacement for the original 55N Weasler unit. Designed with an 80-degree CV joint on the tractor side and a 50-degree CV joint on the discbine end, this heavy duty PTO shaft handles the full angular demands of the center-pivot wide-cut mower-conditioner without vibration or power loss.<\/p>","protected":false},"featured_media":6978,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[262,222],"product_tag":[232,228,242,234,264,233,226,229,263,265,235,243,225,230,231,224],"class_list":{"0":"post-6989","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pto-shaft-for-discbine","7":"product_cat-pto-shafts","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-disc-mower-pto-shaft","13":"product_tag-heavy-duty-pto-shaft","14":"product_tag-pto-drive-shafts","15":"product_tag-pto-driveline-shaft","16":"product_tag-pto-shaft-for-disc-mower","17":"product_tag-pto-shaft-for-discbine","18":"product_tag-pto-shaft-for-tractor","19":"product_tag-pto-shaft-manufacturers","20":"product_tag-pto-shafts","21":"product_tag-pto-shafts-for-sale","22":"product_tag-tractor-pto-drive-shaft","23":"product_tag-tractor-pto-shaft","25":"first","26":"instock","27":"shipping-taxable","28":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product\/6989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/comments?post=6989"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/media\/6978"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/media?parent=6989"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product_brand?post=6989"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product_cat?post=6989"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product_tag?post=6989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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