Aci PTO untuk Mesin Pemotong Cakera Case IH Discbine DC132

Aci PTO yang Boleh Dipercayai untuk Model Pemotong Cakera Case IH

PTO Shaft for Case IH Disc Mower Model: DC132 Disc Mower

The PTO shaft for Case IH Discbine DC132 Disc Mower from CMN Transmission is a precision-engineered, direct-fit replacement for the original 55N Weasler driveline shaft. Designed specifically for the DC132's 1,000 RPM 1-spline input system requiring a minimum 90 hp tractor, this agricultural PTO shaft features a CAT 6 Double Constant Velocity configuration with an 80-degree CV joint on the tractor side and a 50-degree CV joint on the implement side. The result is dramatically smoother power transfer at wide working angles, reduced vibration across the entire PTO driveline shaft, and longer service life compared with conventional universal-joint shafts. All critical components including the PTO shaft yoke, PTO shaft u joint assemblies, and PTO shaft guard tube are manufactured using precision CNC machining and high-grade alloy steel, making this a heavy duty PTO shaft built for commercial hay production seasons.

In the field, this disc mower PTO shaft connects directly between your tractor's output flange and the DC132's gearbox input, transmitting engine torque at 1,000 RPM to spin 10 cutting discs at 3,000 RPM across a 13-foot cutting width. Whether you are harvesting high-yield alfalfa, conditioning ryegrass for silage, or managing dense mixed pastures, having a reliable PTO drive shaft for discbine operations is non-negotiable. The slip clutch and overrunning clutch assembly integrated at the rear of the shaft provide essential driveline protection against sudden shock loads caused by rocks, stumps, or crop slugs - safeguarding both the tractor PTO shaft and the DC132's internal gearbox. CMN Transmission offers this PTO shaft for Case IH discbine as a complete double-CV assembly, or as individual tractor-side and implement-side halves for targeted replacement, reducing your parts cost and downtime.

Aci Utama: Halaju Malar Berganda CAT 6

Peralatan asal ialah 55N Weasler 80 darjah pada bahagian traktor dan CV 50 darjah pada cakera. Aci input biasanya berukuran 1.50" x 23 spline.

Spesifikasi Teknikal

Features of PTO Shaft for Case IH Disc Mower

1. Reka Bentuk Halaju Malar Berganda CAT 6
Unlike a standard PTO drive shaft using fixed universal joints, the CAT 6 Double CV configuration maintains constant rotational velocity across wide operating angles. This eliminates the cyclic vibration that destroys U-joints, gearbox seals, and tractor PTO components in heavy-duty disc mowing applications. For the DC132 running at 1,000 RPM across undulating terrain, smooth, vibration-free torque delivery directly translates to longer machine life and higher cutting quality.

2. Direct Replacement for Weasler 55N Series
This is a precision replacement of Weasler PTO shaft 55N components, engineered to the same dimensional and performance standards as the original equipment. The yoke geometry, spline profiles, CV joint operating angles (80 degrees tractor side, 50 degrees implement side), and guard tube outer dimensions all match factory specifications. No adapters, shimming, or machining are needed - this disc mower PTO shaft drops straight in, saving you time and avoiding costly installation errors during the busy hay season.

3. Multiple Spline Configurations for Broad Tractor Compatibility
The standard tractor connection is 1.375-inch (34.9 mm) x 21 splines, which aligns with the DC132's factory requirement and fits the majority of modern 90+ hp tractors. An alternative 1.750-inch x 20-spline PTO shaft yoke option accommodates larger-bore PTO outputs found on higher-horsepower tractors. Regardless of your tractor brand - John Deere, New Holland, AGCO, Fendt, or Massey Ferguson - CMN Transmission can advise on the correct tractor PTO shaft configuration for your specific combination.

4. Full PTO Shaft Guard and Cover System
Every assembly ships with a complete PTO shaft guard and PTO shaft cover system meeting CE safety requirements. The guard tube is manufactured from reinforced plastic with a high-impact outer shell, secured by a bearing-supported cone at each end to prevent rotation with the shaft. Compliance with CE and ISO safety standards is essential not only to protect operators from contact with rotating components but also to maintain insurance validity and legal compliance in jurisdictions requiring guarded agricultural PTO shafts.

5. Sold as Complete Assembly or Individual Halves
Not every driveline replacement requires a full new shaft. CMN Transmission supplies this PTO shaft as a complete 80x50 Double CV assembly, or as individual tractor-side (80-degree CV half) and implement-side (50-degree CV half) components. This modular approach to PTO shaft parts means you only replace what is worn or damaged, lowering cost-per-repair and reducing parts inventory. Specify your tractor spline size when ordering halves to ensure the correct PTO shaft yoke is matched to your tractor's output.

6. Precision CNC Machined with Heat-Treated Alloy Steel
Every PTO shaft tube, yoke, and CV joint ball track in this assembly is CNC machined from high-grade alloy steel and subjected to controlled heat treatment for surface hardness and core toughness. Tight dimensional tolerances ensure correct spline engagement depth and bearing preload across all joint assemblies. Finished surfaces receive corrosion-protective coating for protection during field operation and off-season storage. The result is a heavy duty PTO shaft with consistent performance across its full rated service life, regardless of field conditions.

Bagaimana Aci PTO Pemotong Cakera Berfungsi

The PTO driveline shaft on the Case IH DC132 Disc Mower is the mechanical link through which the tractor's engine power is transferred to the cutting and conditioning system of the discbine.

1. Power Take-Off at the Tractor
The tractor's PTO stub is a splined output shaft, typically rotating at exactly 1,000 RPM when the tractor's engine is at rated speed. For the DC132, the tractor must produce at least 90 hp (67 kW) at the PTO output. The tractor PTO drive shaft slides onto this splined stub - in standard DC132 configuration, engaging the 1.375-inch x 21-spline connection. A spring-loaded locking collar on the PTO shaft yoke snaps into a groove on the tractor stub to retain the shaft securely during operation. It is essential that the locking pin is fully engaged and that the specified spline sizes are matched precisely; even minor spline mismatches cause rapid fretting wear that accelerates yoke failure.

2. Torque Transmission Through the Double CV Assembly
A conventional aci PTO pertanian uses a pair of universal (U-joints) at each end to accommodate working angles. However, a single U-joint operating at an angle does not transmit torque at constant velocity - it introduces a twice-per-revolution speed fluctuation that creates pulsing vibration. This vibration is amplified by the high rotational speed and the inertial mass of the disc mower's cutterbar. With an 80-degree capability on the tractor side and 50 degrees on the implement side, this PTO drive shaft for discbine can accommodate the steep offset angles required when the DC132 operates in drawbar or 3-point hitch configurations with significant lateral displacement or ground following movement.

3. Slip Clutch Protection Mechanism
The slip clutch PTO shaft mechanism is positioned at the implement end of the driveline shaft assembly, immediately behind the implement-side CV joint. It consists of a series of friction discs clamped between pressure plates under spring load. Under normal operating conditions, the friction force between the plates is sufficient to transmit the full torque required to drive the disc mower's cutterbar gearboxes and conditioning rolls. When a sudden torque spike occurs - for example, when a cutting disc strikes a buried rock or the cutterbar ingests a heavy slug of wet crop - the instantaneous torque demand exceeds the slip clutch's preset torque limit. The friction discs slip against each other, absorbing the shock energy as heat rather than transmitting it as destructive force through the PTO shaft u joint assemblies and into the tractor's gearbox. After the obstruction clears, the clutch automatically re-engages without operator intervention. The slip torque can be adjusted by modifying spring preload to match the specific crop conditions and ground hazard levels of the farm.

4. Overrunning Clutch Function
The overrunning clutch (also known as a freewheel) works in the opposite direction to the slip clutch. When the tractor's engine slows down rapidly - during a headland stop, for example - the DC132's 10 cutting discs and conditioning rolls have significant rotational inertia and continue spinning. Without a freewheel, this inertia would be braked through the PTO driveline shaft and tractor gearbox, causing extreme reverse-direction shock loads that can crack PTO shaft yoke welds and fracture tractor PTO output shafts. The overrunning clutch contains a ratchet or roller-type mechanism that allows the implement to coast freely past the tractor's deceleration speed, decoupling the discbine's inertia from the tractor drivetrain until both components reach the same speed.

5. Power Delivery to the Cutterbar
At the implement end, the PTO shaft connects to the DC132's main input gearbox via the 1.50-inch x 23-spline female yoke. The main gearbox multiplies the 1,000 RPM input shaft speed to 3,000 RPM disc speed, distributing torque via bevel gears and a series of individual disc drive gearboxes along the 13-foot cutterbar. Simultaneously, a belt and gear drive from the main gearbox runs the conditioning rolls at 740 RPM. The precision of the PTO shaft dimensions - both the spline engagement depth and the joint angle geometry - directly affects the thermal and mechanical loading of all downstream components. A correctly specified and maintained 1000 rpm PTO shaft is therefore the foundation of reliable, high-output disc mower performance every season.

Kawasan Aplikasi

1. Penuaian Jerami
The primary use case for this disc mower PTO shaft. The DC132 cuts grasses and legumes into windrows while integrated conditioning rolls crimp and crack the stems to accelerate field drying before baling. At 1,000 RPM input, the Double CV shaft delivers smooth, consistent torque that maintains the 3,000 RPM disc speed needed for a clean, vertical cut that minimizes soil contamination and preserves forage quality. For operations cutting 200+ acres per season, a reliable agricultural PTO shaft is as critical to profitability as the discbine itself.

2. Silage Production
Cutting crops at higher moisture levels for fermented silage storage in bunkers, pits, or wrapped bales demands fast, even cutting to ensure uniform fermentation. The 1000 rpm PTO shaft configuration of the DC132 supports the high disc speeds needed to cut wet, heavy crops without tearing or bruising the stems excessively. A reliable PTO driveline shaft is essential here because silage harvesting windows are narrow and any unplanned downtime caused by a failed PTO shaft u joint or slip clutch can result in crop losses across an entire field before conditions change.

3. Forage Harvesting
Mowing high-value crops such as alfalfa, clover, and ryegrass at the optimum stage of maturity requires precise cutting height control and zero crop contamination. The DC132 with a correctly functioning PTO shaft for discbine operations maintains consistent disc speed across all crop densities, ensuring a level, clean cut that maximizes nutritional content for livestock feed whether stored as dry hay or green chop. The slip clutch PTO shaft mechanism prevents costly gearbox damage when harvesting mature, dense alfalfa stands where sudden crop slugs are common.

4. Penamatan Tanaman Penutup Bumi
Cutting down winter cover crops such as cereal rye or hairy vetch ahead of planting season leaves the biomass as a protective mulch layer that suppresses weeds and protects soil structure. The DC132's high cutting speed driven by a correctly functioning 540 PTO shaft or 1,000 RPM shaft ensures the tough, fibrous stems of cereal cover crops are cut cleanly rather than torn, producing an even mulch layer that breaks down uniformly. The slip clutch PTO shaft protects against the large stones and soil compaction features common in fields that have been cover-cropped over winter without tillage.

5. Pengurusan Padang Rumput
Topping and trimming pastures to control rank, stemmy growth, remove seed-head weeds, and encourage fresh, palatable re-growth for grazing animals is a key secondary application for the DC132. In this context, the PTO drive shaft for discbine must handle highly variable crop densities and frequent directional changes. The Double CV design's ability to accommodate wide angles without vibration is particularly valuable in smaller, irregular paddocks where the hitch angle changes frequently. The shear bolt PTO shaft or slip clutch function protects against the frequent stone strikes typical in grazed pasture environments.

6. Roadside and Specialty Mowing
Maintaining roadsides, drainage ditches, airport buffer strips, and conservation headlands where a clean, controlled cut is needed in irregular or sensitive areas demands a heavy duty PTO shaft with excellent angle tolerance. In roadside applications, the DC132 must operate at steep lateral offsets with the tractor traveling on a crowned road surface and the cutterbar working down the verge. The 80-degree tractor-side CV joint angle rating of this discbine PTO shaft provides the angular capacity needed for these demanding geometries while maintaining smooth, constant-velocity torque transmission.

How to Install PTO Shaft on Case IH Discbine

Step 1: Safety Preparation and Pre-Installation Checks
Before beginning any work on the PTO driveline shaft, park the tractor on a flat, level surface with the engine fully stopped and the parking brake applied. Disengage the tractor PTO control and remove the ignition key. Allow all rotating components of the DC132 to come to a complete stop. Inspect the tractor PTO stub for wear, corrosion, or spline damage. Measure the stub diameter and count the splines to confirm compatibility with your chosen PTO shaft configuration - 21-spline for standard 1.375-inch stubs or 20-spline for 1.750-inch large-bore stubs. Also inspect the implement's 1.50-inch x 23-spline input shaft for any damage that could prevent correct yoke engagement.

Step 2: Measure Required PTO Shaft Length and Dimensions
With the DC132 hitched to the tractor in its normal working position, measure the distance between the face of the tractor PTO stub and the face of the implement input shaft stub. Ensure the telescoping PTO shaft tube has sufficient overlap - typically at least one-third of the inner tube length should remain inside the outer tube at maximum extension to maintain safe torque capacity. Also check that at maximum compression (during headland turns when the tractor and implement are closest) the inner tube does not bottom out. Confirming these PTO shaft dimensions before ordering a custom PTO shaft from CMN Transmission eliminates fitment errors.

Step 3: Install the Tractor-Side CV Yoke
Apply a light film of grease to the tractor PTO stub splines. Slide the tractor-side yoke of the PTO shaft (80-degree CV half, 1.375-21 or 1.750-20 spline as applicable) onto the tractor stub, pushing firmly until the spring-loaded locking pin clicks into the groove on the stub shaft. Verify full engagement by pulling back on the shaft to confirm the locking pin is seated and the yoke cannot be removed without depressing the release collar. Improper engagement is a leading cause of PTO shaft yoke separation under load, which can cause severe equipment damage and operator injury. Never operate the tractor PTO shaft without confirming both end connections are fully locked.

Step 4: Connect the Implement-Side CV Yoke
With the PTO shaft hanging freely from the tractor connection, align the implement-side yoke (50-degree CV half, 1.50-inch x 23 spline) with the DC132 input stub. Push firmly to engage the splines fully, then lock the yoke using the retaining pin or spring collar as designed. Ensure the slip clutch assembly is positioned correctly - it should sit at the implement end of the shaft as per OEM specification. After connecting both ends, check that the telescoping PTO shaft tube sections have adequate overlap for both extended (field working) and compressed (transport or headland turn) positions before commencing any PTO operation.

Step 5: Attach the PTO Shaft Guard
Fit the PTO shaft guard over the complete shaft assembly. The guard tubes on each half should overlap each other in the center, and the bearing cones at each end should be secured to the tractor gearbox housing and the implement input housing using the supplied safety chains. The chains prevent the guard from rotating with the shaft while allowing the shaft itself to turn freely inside. Never operate any agricultural PTO shaft without the PTO shaft cover and guard properly installed - rotating PTO components are a major cause of severe and fatal farm injuries. Replace the guard immediately if it is cracked, broken, or missing.

Step 6: Grease, Test, and Break-In
Before first operation, apply multi-purpose grease to all grease nipples on the CV joints and telescoping shaft profile. CMN Transmission recommends greasing every 8 hours of operation during the first break-in period, then following the regular maintenance schedule. Engage the PTO at low RPM first and observe for any unusual vibration or noise that could indicate incorrect spline engagement or joint alignment. Gradually increase to full 1,000 RPM operating speed and check again. After the first hour of operation, re-check both end yoke connections to confirm they remain fully locked before continuing hay or forage harvesting operations.

Cara Memilih Aci PTO yang Tepat untuk Mesin Pemotong Cakera

1. Confirm Your Tractor PTO Spline Size and Speed
The DC132 requires a 1,000 RPM PTO input. Verify your tractor has a 1000 PTO shaft output (not 540 PTO shaft). Check the tractor's operator manual or measure the PTO stub: 1.375 inches (34.9 mm) diameter with 21 splines is standard for 90+ hp tractors. Larger tractors may have a 1.750-inch x 20-spline large-bore PTO output. Using a shaft with the wrong PTO shaft sizes will cause immediate spline damage or complete disengagement under load, so confirming this measurement before ordering is non-negotiable.

2. Decide Between a Complete Assembly or Half Shaft
If both CV joint halves are worn or if the telescoping tube is damaged, a complete double-CV assembly is the most cost-effective solution. However, if only one CV joint has failed (a common scenario where the implement-side CV wears first due to higher operating angle), ordering only the 50-degree implement-side CV half significantly reduces parts cost. Inspect both halves before ordering: check PTO shaft u joint play by grasping each CV housing and feeling for radial looseness, and inspect the PTO shaft tubing for bending, corrosion, or profile wear in the telescoping section.

3. Measure Shaft Length for Custom Applications
Standard PTO shaft length for the DC132 drawbar configuration is defined by Case IH factory specifications. However, if you are using a non-standard hitch extension, a drawbar swivel hitch, or a 2-point hitch adapter, the required PTO shaft length and dimensions may differ. CMN Transmission's technical team can engineer a custom PTO shaft to your specified extended and compressed lengths. Provide your minimum compressed length, maximum extended working length, and hitch configuration details to receive a dimensional drawing and quotation before ordering a non-standard shaft.

4. Verify Slip Clutch Torque Setting for Your Crop Conditions
The factory slip clutch setting on the DC132's PTO drive shaft is calibrated for typical mixed crop conditions. In particularly rocky ground or when cutting exceptionally dense, mature crops, a higher slip torque setting may be desirable to prevent nuisance slipping that causes disc speed fluctuation. In very clean, light-crop conditions, a lower setting provides more sensitive protection for the cutterbar gearboxes. CMN Transmission's PTO shaft with slip clutch assemblies are adjustable, and our technical team can advise on the correct spring preload for your specific operational environment.

5. Consider OEM vs. Aftermarket Quality Standards
Many low-cost aftermarket tractor PTO shafts use inferior CV joint ball materials, undersized yoke forgings, and thin PTO shaft guard tube walls that fail prematurely under commercial hay production loads. CMN Transmission's shafts are manufactured with the same alloy specifications and machining tolerances as OEM components, backed by ISO9001 quality certification. When comparing PTO shaft prices, factor in the true cost of downtime, replacement labor, and potential secondary damage to the discbine gearboxes caused by a failed low-quality shaft during a critical cutting window.

Troubleshooting Common PTO Drive Shaft Issues

1. Masalah: Getaran Berlebihan Semasa Operasi
Cause: The most common cause of vibration in an agricultural PTO shaft is worn or dry CV joint bearings. Also check for bent PTO shaft tubing caused by an impact, or misalignment from incorrect hitch height that places the shaft outside its designed operating angle range. Solution: Grease all CV joint nipples immediately. If vibration persists, disassemble the CV joint housing and inspect the ball tracks for pitting or flaking. Replace the affected CV half assembly. Confirm the tractor drawbar height is within Case IH specifications for the DC132 to ensure the shaft operates within its 80/50-degree angle rating.

2. Problem: Slip Clutch Slipping Continuously
Cause: Nuisance slipping in a slip clutch PTO shaft typically indicates worn friction discs or incorrect spring preload. Over time, the friction material on the clutch discs wears thin, reducing the slip torque to below the normal operating torque requirement. Contamination of the friction surfaces with grease or oil also dramatically reduces slip torque. Solution: Disassemble the slip clutch assembly and inspect the friction discs for wear. Replace discs as a set if total thickness is below specification. Clean all friction surfaces with solvent. Adjust spring preload to the correct torque setting per the CMN Transmission assembly documentation. Never grease the friction faces of the clutch discs.

3. Problem: PTO Shaft Yoke Disconnects Under Load
Cause: This is a serious safety hazard caused by a worn or damaged retaining pin on the PTO shaft yoke, or a worn groove on the tractor PTO stub that no longer provides adequate retention depth. It can also occur if the shaft is incorrectly connected with the locking pin not fully seated. Solution: Immediately stop operation and inspect both the yoke locking pin mechanism and the tractor PTO stub groove. Replace the yoke assembly if the locking pin spring is weak, the pin is worn, or the groove on the stub is damaged. Never operate a tractor PTO shaft that cannot be confirmed as fully locked at both ends. Contact CMN Transmission for PTO shaft adapter or yoke replacement parts.

4. Problem: Telescoping Shaft Sections Seizing or Difficult to Extend
Cause: PTO shaft tubing corrosion and galling of the profile cross-section is the most common cause of telescoping seizure. This typically occurs when the shaft has been stored outdoors without protection or when grease nipples on the tube section have been neglected. In severe cases, the inner tube can weld itself to the outer under extreme loads. Solution: Disassemble the telescoping section, clean both inner and outer PTO shaft tube profiles thoroughly with a wire brush, and apply fresh grease to the full length of the inner tube. Install dust seals at each end of the outer tube if they are missing. Prevent recurrence by greasing the tube profile every 8 operating hours and applying corrosion protection spray before off-season storage.

5. Problem: Overheating at CV Joint Housing
Cause: Overheating indicates that the CV joint is operating with insufficient lubrication or is being run at angles beyond its rated capacity. The DC132's tractor-side CV is rated to 80 degrees, but sustained operation near this limit in high-load conditions increases heat generation significantly. Grease that has dried out, been contaminated, or been displaced by a damaged seal will cause rapid ball track wear accompanied by heat. Solution: Grease the CV joint immediately. Inspect the CV housing seal for cuts or displacement and replace if damaged. Verify the tractor drawbar height is set correctly. If the joint is overheating despite adequate lubrication, the ball tracks may be worn beyond recovery - replace the affected PTO shaft half to prevent catastrophic failure.

Aci PTO Pemotong Cakera dan Kotak Gear Pemotong Cakera

In a rotary disc mower-conditioner system like the Case IH DC132, two groups of mechanical components share responsibility for converting tractor engine power into disc cutting speed: the disc mower PTO shaft and the disc mower gearbox system. These two components are engineered as a matched system, and a failure in either one directly impacts the performance and safety of the other.

The agricultural PTO shaft is the external, flexible driveline that runs from the tractor's PTO output stub to the implement's main input gearbox. It must accommodate the constant changes in angle, length, and alignment that occur as the tractor and discbine move relative to each other over uneven ground, through headland turns, and during transport. The CAT 6 Double CV design on this DC132 tractor PTO shaft handles angular velocity changes with a Double Constant Velocity joint system rated to 80 degrees on the tractor side and 50 degrees on the implement side. The telescoping PTO shaft tube absorbs length changes. The slip clutch PTO shaft and overrunning clutch protect the entire drivetrain from torque spikes and inertial backlash. Without a correctly functioning PTO drive shaft, no torque reaches the disc mower's internal driveline at all, making it the critical first link in the entire power chain.

Once torque enters the DC132 through the implement input shaft, it is received by the main input gearbox, a bevel-gear-and-shaft assembly that takes the 1,000 RPM PTO input and simultaneously distributes power to the cutterbar drive train and the conditioning roll drive. Along the 13-foot cutterbar, a series of individual disc mower gearboxes (also called cutterbar module gearboxes) are mounted in each individually sealed disc module. These step up the shaft speed to 3,000 RPM at the disc hub through precision-cut bevel gears running in sealed oil baths. The DC132 uses 10 cutting discs, meaning 10 individual disc-drive gearboxes plus the main input gearbox and the conditioning roll drive gearbox, approximately 12 or more gear sets in total. Each one is a precision component that depends on the correct input torque and speed delivered by the PTO driveline shaft upstream.

A worn or damaged disc mower PTO shaft creates vibration, speed fluctuations, and uncontrolled torque spikes that accelerate wear in every downstream gearbox. A loose PTO shaft u joint creates torsional vibration at twice-per-revolution frequency that fatigues gear tooth roots in the main input gearbox. An improperly set slip clutch allows excessive shock torque to reach the individual disc module gearboxes during crop slug events, fracturing bevel gear teeth or scoring the disc hub splines. Conversely, a correctly maintained PTO shaft for disc mower applications delivers smooth, consistent 1,000 RPM input that allows each gearbox in the system to operate within its design load envelope - maximizing service life across the entire machine.

CMN Transmission supplies both PTO shaft parts for the DC132 and a comprehensive range of disc mower gearboxes, including individual cutterbar module gearboxes, main input gearboxes, and conditioning roll drive assemblies. When a disc module gearbox fails on your DC132, always inspect the PTO shaft assembly simultaneously - a failed gearbox is often a symptom of upstream driveline problems that will destroy the replacement gearbox if not addressed. Our technical team can advise on the correct gearbox model and PTO shaft configuration to restore your DC132 to full factory specification, with factory-direct pricing and global shipping to over 53 countries.

Mengapa Memilih Aci PTO Pertanian Transmisi CMN?

CMN Transmission (Korea) stands as one of the world's leading suppliers of industrial power transmission solutions. Headquartered in Ansan-si, Gyeonggi-do, Korea, with a production base and over 10 shareholding cooperative factories, we maintain an inventory of more than 150,000 standard stock products and serve customers in over 53 countries. Whether you need a single replacement disc mower PTO shaft or a bulk wholesale supply of tractor PTO drive shafts for your dealership, CMN Transmission has the capability, the inventory, and the technical expertise to deliver.

Our Advantages:

• Global Reach, Local Knowledge: Serving customers in over 53 countries across North America, Europe, South America, the Middle East, Africa, Southeast Asia, and Oceania from our headquarters in Ansan-si, Gyeonggi-do, Korea. With more than 150,000 standard stock products and over 10 cooperative production facilities, CMN Transmission delivers the inventory depth of a global supplier with the responsiveness of a specialist partner.
• Factory-Direct Pricing: As an integrated manufacturing and trading company, CMN Transmission eliminates the multiple dealer markups that inflate the cost of OEM replacement PTO shaft parts. Our tractor PTO shafts are priced at factory-direct rates without sacrificing the material quality, dimensional precision, or certification standards that define a reliable agricultural PTO shaft. The savings are typically 30-50% compared to OEM dealer supply channels, with equivalent or superior technical performance.
• Technical Expertise and Pre-Sale Support: Our technical team provides pre-sale consultation to confirm spline configurations, PTO shaft length and dimensions, and clutch specifications for your exact tractor and implement combination. Dimensional drawings are available on request for all standard and custom PTO shaft products. We offer customized PTO shaft parts for non-standard applications, ensuring you get the correct part the first time rather than discovering a mismatch after shipment has arrived.
• Certified Quality Manufacturing: Every tractor PTO drive shaft CMN Transmission produces is manufactured using advanced CAD design, precision CNC machining, modern heat treatment processes, and rigorous quality testing. Products carry both ISO9001 and CE certifications. Our TS16949-aligned quality management procedures ensure that every PTO driveline shaft meets consistent dimensional and performance standards across production batches - important for dealers and distributors who need reliable quality consistency across multiple orders.
• Rangkaian Produk Lengkap: Beyond disc mower PTO shafts, CMN Transmission's product range spans agricultural gearboxes, hydraulic cylinders, planetary gearboxes, worm gearboxes, bevel gears, chain sprockets, chains, gear racks, pulleys, taper bushes, couplings, and more. This one-stop supply capability means agricultural machinery dealers and end-users can source complete drivetrain replacement components from a single trusted supplier, reducing procurement complexity and logistics costs.
• After-Sales Service and Support: CMN Transmission's one-stop after-sales service model ensures that replacement components, technical guidance, and warranty support remain accessible throughout the product lifecycle. When you choose CMN Transmission, you are choosing a partner committed to keeping your equipment running efficiently, reliably, and safely - season after season. Our response time for technical support inquiries is typically within one business day, ensuring minimal disruption to your hay harvesting schedule when urgent parts or advice are needed.

Soalan Lazim

Q: What is the correct PTO shaft for the Case IH DC132 Disc Mower?
A: The DC132 uses a CAT 6 Double Constant Velocity PTO shaft based on the 55N Weasler Series, with an 80-degree CV joint on the tractor side and a 50-degree CV joint on the implement side. The tractor-side spline is 1.375-inch (34.9 mm) x 21 splines (or optionally 1.750-inch x 20-spline for large-bore tractors), and the implement-side input is 1.50-inch x 23 splines. The DC132 operates at 1,000 RPM input speed and requires a minimum 90 hp tractor. Confirm both your tractor stub spline specification and whether you need a complete double-CV assembly or only a tractor-half or implement-half replacement before ordering.

Q: Is this PTO shaft a replacement of Weasler PTO shaft components?
A: Yes. CMN Transmission's disc mower PTO shaft for the DC132 is engineered as a direct replacement of Weasler PTO shaft 55N series components. The dimensional specifications - CV joint operating angles, spline profiles, yoke bore diameters, and telescoping tube cross-section profiles - are matched to the original Weasler design. This means no adapters or custom machining are required for installation. CMN Transmission is not affiliated with Weasler or its parent company; this is an independently engineered, ISO9001-certified aftermarket replacement of equivalent quality and specification.

S: Apakah perbezaan antara aci PTO 540 dan aci PTO 1000 untuk mesin pemotong rumput cakera?
A: The 540 PTO shaft speed (6 splines, typically on tractors up to 80 hp) and the 1000 RPM PTO shaft speed (21 splines, on tractors 90+ hp) refer to the rotational speed at which the tractor's PTO stub turns. The Case IH DC132 is designed exclusively for 1,000 RPM PTO input - it requires the higher-speed 1,000 rpm PTO shaft connection. Using a 540 PTO shaft connection would deliver only 54% of the required input speed, resulting in dangerously low disc cutting speed, poor crop quality, and potential gearbox overloading. Always confirm your tractor's PTO speed setting matches the 1000 RPM requirement of the DC132 before engagement.

Q: Can I order a custom PTO shaft length for a non-standard DC132 hitch configuration?
A: Yes. CMN Transmission offers custom PTO shaft manufacturing for non-standard applications. If your DC132 is mounted on an extended drawbar hitch, a 2-point swivel hitch, or any configuration that places the tractor PTO stub at a different distance from the implement input than the factory specification, provide CMN's technical team with your minimum compressed length, maximum working extension length, and hitch geometry details. A dimensional drawing will be provided before production begins. Custom PTO shaft orders typically require slightly longer lead times than stock items but can be shipped globally on completion.

Q: How often should the DC132 discbine PTO shaft be greased?
A: CMN Transmission recommends greasing the CV joint housings and the telescoping PTO shaft tube profile every 8 hours of operation during the initial break-in period (first 50 hours), and every 15 to 20 hours thereafter during normal seasonal use. In extremely dusty or wet conditions, or when cutting abrasive crops like cereal rye, reduce the interval to every 8 hours throughout the season. Use a high-quality, high-temperature lithium-complex grease. Never over-grease to the point where the CV joint housing seals are pushed out - apply grease until fresh grease just appears at the seal lip, then stop.

Q: How does the PTO shaft with slip clutch protect the DC132 gearboxes?
A: The PTO shaft with slip clutch on the DC132 is set to transmit a maximum torque that is safely above the normal cutting torque demand but below the torque required to fracture gear teeth in the disc module gearboxes. When an obstruction is struck - a rock, a buried log, or a soil mound - the instantaneous torque demand spikes well above the cutting load. The slip clutch discs slip against each other, absorbing the spike as heat rather than transmitting it to the downstream gearboxes. Without this slip clutch PTO shaft mechanism, a single rock strike at 1,000 RPM could fracture one or more disc module gearbox housings, costing far more than the PTO shaft itself to repair.

Q: What PTO shaft guard and cover requirements apply to this shaft in European markets?
A: In European Union markets, all agricultural PTO shafts must carry CE marking and include a complete, non-rotating PTO shaft guard secured by safety chains to both the tractor and implement. The guard must cover the full rotating length of the shaft and both CV joint housings. CMN Transmission's disc mower PTO shaft meets these requirements: it is CE certified and ships with a full PTO shaft cover and guard system including safety chains. Farm operators in Germany, France, the Netherlands, and other EU countries can use this shaft with confidence that it meets the applicable Machinery Directive requirements for rotating agricultural equipment.

Q: What PTO shaft dimensions and spline sizes should I verify before ordering?
A: Before ordering, verify and record the following: (1) Tractor PTO stub diameter and spline count - 1.375 inch / 21-spline is standard, but measure to confirm; (2) Implement input stub diameter and spline count - DC132 standard is 1.50 inch / 23-spline; (3) Compressed shaft length with tractor and discbine in their transport position; (4) Extended shaft length with discbine at full working depth on level ground; (5) Hitch type - standard drawbar, 2-point, or drawbar swivel - as this affects the operating angle. CMN Transmission's technical team will verify your measurements against the correct part specification before confirming your order.

Q: How long does the CMN Transmission DC132 discbine PTO shaft typically last?
A: Under normal commercial hay production conditions with regular greasing (every 15-20 hours), correct installation, and operation within the specified tractor horsepower and PTO speed range, a CMN Transmission CAT 6 Double CV PTO shaft for the DC132 is designed to provide multiple full cutting seasons of reliable service - typically three to five seasons at 150-200 hours per season, depending on crop conditions and terrain. The CV joints in this heavy duty PTO shaft use hardened alloy steel ball tracks that resist the fretting wear that limits the life of standard U-joint shafts. Individual PTO shaft parts (CV halves, yokes, slip clutch discs) are also available separately to extend total shaft assembly life through targeted component replacement.

Ulasan Pelanggan

Marcus Hollingsworth, Pengurus Ladang, Amerika Syarikat
"Been running a DC132 on our 350-acre hay operation for years and we've gone through a couple of PTO shafts over time. Ordered this CAT6 Double CV replacement from CMN Transmission after the original Weasler unit finally wore through its CV joints after about four seasons. The fit was spot on - no shimming, no adapter needed, just slid straight onto the 1.375-21 spline and locked in. We're about 200 hours in on the new shaft this year, cutting some pretty heavy alfalfa and mixed grass stands, 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."

Jean-Pierre Moreau, Cereal and Forage Farmer, France
"I ordered the implement-side 50-degree CV half only, since the tractor-side joint was still serviceable. CMN Transmission's team confirmed the exact part for my DC132 via email before I placed the order, which was reassuring since I wasn't sure whether the half-shaft option would be stocked. It arrived in France in about 10 days, well-packaged and with all hardware included. Installing it took maybe an hour, mostly careful disassembly of the old joint. First cut after installation was smooth - noticeably less vibration at 1,000 RPM than the old worn joint was producing. Good quality, fair price, and the pre-sale support made a real difference. Recommended to two neighbors already."

Klaus Hoffmann, Pengendali Ladang Tenusu, Jerman
"DC132 kami menjalankan tiga potongan silaj rumput setiap musim - mungkin 600 atau lebih jam operasi pada aci PTO selama tiga tahun sebelum kami menggantikannya. Weasler asal telah haus sepenuhnya pada sambungan CV pada masa itu, jadi kami memesan pemasangan CV Berganda 55N 80x50 yang lengkap daripada CMN. Penandaan CE adalah penting bagi kami di Jerman - aci tanpa dokumentasi CE menyebabkan masalah dengan insurans ladang kami jika terdapat insiden. Aci ini didatangkan dengan dokumentasi pematuhan penuh, yang menurut pengedar Walterscheid akan menelan belanja tiga kali ganda. Pemasangan mengambil masa kira-kira 90 minit dari awal hingga akhir. Sangat berpuas hati dengan kualitinya - perumah CV terasa kukuh dan tiub pelindungnya muat dengan sempurna."

Liam O'Sullivan, Kontraktor, Ireland
"Menjalankan perniagaan kontrak dengan tiga cakera Case IH di sini dan kos penyelenggaraan sentiasa difikirkan. Saya telah mencuba aci selepas jualan yang lebih murah dua tahun lalu daripada pembekal lain dan ia bertahan selama satu musim sebelum galas pelindungnya rosak dan sambungan CV sisi traktor mula mengetuk. Beralih kepada Transmisi CMN untuk penggantian DC132 - perbezaan berat komponen sahaja memberitahu anda sesuatu tentang kualiti binaan. Perumah sambungan CV ketara lebih berat. Kira-kira 350 jam menggunakan aci baharu sepanjang musim ini tanpa sebarang masalah. Hakikat bahawa mereka juga menyimpan kotak gear pemotong cakera bermakna saya boleh mendapatkan semuanya daripada satu pembekal, yang menjimatkan banyak masa saya menjejaki alat ganti. Penghantaran ke Ireland juga lebih pantas daripada yang dijangkakan."

Roberto Amorim, Pengeluar Ternakan dan Jerami, Brazil
"Saya agak ragu-ragu untuk memesan aci PTO dari Korea untuk DC132 saya di Mato Grosso do Sul, tetapi seorang rakan mempunyai pengalaman yang baik dengan CMN dan mendorong saya untuk mencuba. Pasukan teknikal membalas e-mel saya dengan cepat tentang saiz spline - traktor saya mempunyai output 1.750-20 beroda besar, jadi saya memerlukan separuh CV sisi traktor yang betul untuk konfigurasi tersebut. Mereka mengesahkan stok, memberikan garis masa penghantaran, dan membuat susulan selepas penghantaran untuk memastikan semuanya baik. Aci tiba dalam keadaan baik, tiada kerosakan. Pemasangan adalah betul pada kedua-dua sisi traktor dan alat. Kami menggunakan DC132 untuk silaj rumput Brachiaria dan Panicum - tanaman yang berat dan padat - dan aci telah benar-benar kukuh sejak dua musim lalu. Harga yang sangat baik berbanding sebut harga pengedar Case IH yang sah."

Pieter, Petani Tanah Ladang dan Padang Rumput, Belanda
"Memesan pemasangan aci CV Berganda yang lengkap untuk DC132. Penghantaran ke Belanda mengambil masa kira-kira 12 hari bekerja dari pengesahan pesanan, yang boleh diterima untuk bahagian aci PTO pertanian khusus. Pembungkusannya profesional - tiada kerosakan transit. Dari segi kualiti, saya membandingkannya dengan teliti dengan unit Weasler asal yang haus. Geometri splin adalah betul, permainan sambungan CV adalah dalam spesifikasi, dan pelarasan klac gelincir terasa positif dan konsisten. Satu nota saya: puting gris pada aci ini memerlukan pengganding pistol gris lurus standard, bukan jenis muncung fleksibel - cuma perlu diketahui sebelum anda mula melincirkan sambungan. Secara keseluruhan, nilai yang sangat baik untuk aci PTO pertanian tugas berat dan saya akan memesan daripada CMN lagi."

Jack Morrison, Petani Campuran, Australia
"Sumber alat ganti untuk DC132 di luar bandar Victoria boleh menjadi satu isu - pengedar Case IH tempatan kadangkala perlu menunggu selama berminggu-minggu untuk komponen pemacu khusus. Terjumpa Transmisi CMN dalam talian dan bertanya tentang aci CV Berganda DC132. Mendapat respons pada hari perniagaan yang sama dengan spesifikasi dan harga alat ganti. Memesan pemasangan lengkap. Penghantaran ke Australia mengambil masa kira-kira 14 hari, yang lebih cepat daripada yang saya jangkakan untuk bahagian dunia ini. Aci dibuat dengan baik - semua yang saya boleh semak secara fizikal adalah betul. Menggunakannya untuk pemotongan lucerne (alfalfa) tahunan kami pada musim bunga ini - tiga pemotongan, kira-kira 600 ekar jumlahnya - dan tiada masalah langsung. Bagus untuk mempunyai sumber luar negara yang boleh dipercayai untuk alat ganti jenis ini apabila bekalan tempatan tidak boleh dipercayai."

Alejandro Fuentes, Kontraktor Pertanian, Argentina
"Kami mengendalikan lima cakera Case IH untuk kerja-kerja pemotongan jerami dan silaj yang dikontrak di rantau Pampas - dalam keadaan yang memerlukan banyak tenaga dan mencabar. Aci PTO merupakan salah satu barangan yang paling haus yang kami uruskan, jadi mencari sumber selepas pasaran yang berkualiti yang boleh membekalkan dengan cepat dan pada harga yang berpatutan adalah penting bagi kami. CMN Transmission telah menjadi pembekal kami selama dua musim sekarang. Kami biasanya memesan dua atau tiga pemasangan gantian pada satu masa untuk memastikan stok tersedia. Kualitinya konsisten antara kelompok, yang sangat penting apabila anda perlu menukar aci di lapangan dengan cepat. Satu cadangan yang akan saya berikan: minta CMN untuk lukisan dimensi produk sebelum pesanan pertama anda supaya anda boleh mengesahkan terlebih dahulu kesesuaian untuk kombinasi traktor-cakera khusus anda. Pengalaman keseluruhan yang sangat baik."

Thomas Gruber, Penternak Tenusu dan Daging Lembu, Austria
"Saya telah menggunakan DC132 untuk pemotongan padang rumput gunung di sini di Styria selama enam musim. Rupa buminya curam dan sudut aci selalunya hampir mencapai had yang boleh dikendalikan oleh aci sambungan universal standard, jadi reka bentuk Double CV bukanlah pilihan bagi kami - ia adalah penting. Unit Weasler asal berfungsi dengan baik tetapi kos penggantian melalui pengedar tempatan terlalu tinggi memandangkan kekerapan alat ini perlu diganti dalam keadaan kami. Transmisi CMN menawarkan harga kira-kira 40% lebih rendah untuk produk berkualiti yang setara. Saya kini telah menjalankan dua musim pada aci ini tanpa sebarang masalah sambungan CV. Kapasiti sudut sisi traktor 80 darjah adalah ciri utama untuk rupa bumi kami. Sangat berpuas hati dengan nilai dan ketepatan teknikal alat ganti tersebut."