PTO Shaft for Woods Batwing Mowers BW12, BW10.50, BW15.50, BW10.60, BW15.60, BW10.70, BW15.70
The high-performance PTO shaft for Woods batwing mowers BW12, BW10.50, BW15.50, BW10.60, BW15.60, BW10.70, BW15.70, engineered as a direct replacement of Weasler PTO shaft assemblies. This heavy-duty PTO shaft is precision-built with Cat 4 or Cat 5 constant velocity joints. With horsepower ratings from 60 HP at 540 RPM up to 184 HP at 1000 RPM, this tractor PTO shaft delivers reliable rotary power transfer for demanding mowing operations.
Trục PTO đáng tin cậy dành cho các dòng máy cắt cỏ Woods Batwing.
PTO Shaft for Woods Batwing Mower Model: BW12, BW10.50, BW15.50, BW10.60, BW15.60, BW10.70, BW15.70
CMN Transmission offers a high-performance PTO shaft for Woods batwing mowers engineered as a direct replacement of Weasler PTO shaft assemblies. This heavy duty PTO shaft is precision-built with Cat 4/5 constant velocity joints and is compatible with the complete range of Woods BW-series batwing mowers, including BW12, BW10.50, BW15.50, BW10.60, BW15.60, BW10.70, and BW15.70 models. With horsepower ratings from 60 HP at 540 RPM up to 184 HP at 1000 RPM, this tractor PTO shaft delivers reliable rotary power transfer for demanding mowing operations across large-acreage agricultural properties, municipal grounds, and commercial vegetation management sites.
Whether you are managing hundreds of acres of pastureland, maintaining roadsides, or clearing crop residue after harvest, this batwing mower PTO shaft ensures smooth, uninterrupted power delivery from your tractor to the mower's power divider gearbox. Available in multiple spline configurations (1.375"-6, 1.375"-21, and 1.750"-20), the shaft fits a wide variety of tractor makes and models.

The original equipment is the Weasler PTO shaft. But we can make high-quality replacements for Weasler PTO shafts.
Thông số kỹ thuật
Main Shaft Cat 4 / Cat 5 Constant Velocity

Available Configurations by Tractor PTO Spline
| Máy kéo có trục PTO 1.375"-6" | ||
| Loại | Loạt | Máy kéo |
| 4 (60 HP@540 RPM) | Walterscheid | 1.375-6 |
| 5 (90 HP@540 RPM) | Walterscheid | 1.375-6 |
| 4 (60 HP@540 RPM) | Chồn | 1.375-6 |
| 6 (110 HP@540 RPM) | Chồn | 1.375-6 |
| Máy kéo có trục PTO 1.375"-21 | ||
| Loại | Loạt | Máy kéo |
| 4 (110 HP@1000 RPM) | Walterscheid | 1.375-21 |
| 5 (170 HP@1000 RPM) | Walterscheid | 1.375-21 |
| 4 (110 HP@1000 RPM) | Chồn | 1.375-21 |
| 6 (184 HP@1000 RPM) | Chồn | 1.375-21 |
| Máy kéo có trục PTO 1.750"-20 | ||
| Loại | Loạt | Máy kéo |
| 4 (60 HP@540 RPM) | Walterscheid | 1.750-20 |
| 5 (90 HP@540 RPM) | Walterscheid | 1.750-20 |
| 4 (110 HP@1000 RPM) | Chồn | 1.375-21 |
| 6 (184 HP@1000 RPM) | Chồn | 1.375-21 |
Features of PTO Drive Shaft for Woods Batwing Mower
1. Cat 4/5 Constant Velocity Joint Design
This agricultural PTO shaft features Cat 4/5 constant velocity (CV) joints that maintain a smooth, uniform rotational speed regardless of the operating angle between the tractor and batwing mower. Unlike standard universal joints that introduce speed fluctuations at higher angles, the CV design minimizes vibration and drivetrain stress, extending the service life of the entire PTO driveline shaft assembly and reducing wear on the mower's power divider gearbox.
2. Direct Replacement for Weasler & Walterscheid
Engineered as a drop-in replacement of Weasler PTO shaft and Walterscheid 2580 series assemblies, this shaft requires no modifications, adapters, or shimming. The PTO shaft yoke dimensions, spline profiles, and overall shaft length match OEM specifications precisely. This makes the upgrade straightforward for farm operators and fleet managers who need a reliable replacement of Woods PTO shaft without costly downtime for custom fitting.
3. Multiple Spline & HP Configurations
Available in three tractor-side spline sizes (1.375"-6, 1.375"-21, and 1.750"-20), this tractor PTO drive shaft covers both 540 PTO shaft and 1000 PTO shaft applications. Horsepower ratings range from 60 HP (Cat 4 at 540 RPM) up to 184 HP (Cat 5 at 1000 RPM), accommodating a broad spectrum of tractor sizes from compact utility models to large row-crop tractors used in commercial farming operations.
4. Heavy-Duty PTO Shaft Tube Construction
The PTO shaft tube is manufactured from high-strength alloy steel with precision-welded profiles, ensuring exceptional torsional rigidity and fatigue resistance. The PTO shaft tubing undergoes strict heat treatment to achieve optimal hardness, making this heavy duty PTO shaft capable of withstanding the high torque loads and shock impacts commonly encountered when mowing through dense vegetation, brush, and uneven terrain with a batwing mower.
5. Integrated Safety Shield & PTO Shaft Cover
Every PTO shaft ships with a complete PTO shaft cover (guard tube) system that rotates freely around the spinning shaft, providing operator protection in compliance with safety standards. The guard is made from impact-resistant polymer and is designed for easy installation and removal during maintenance. This built-in safety feature is essential for any tractor PTO shaft used in agricultural and municipal mowing environments.
6. Optional Slip Clutch & Shear Bolt Protection
To safeguard the tractor and mower drivetrain from sudden overloads, the shaft can be configured with either a PTO shaft with slip clutch or a shear bolt PTO shaft mechanism. The slip clutch PTO shaft option is ideal for operators who frequently encounter hidden obstacles, as it allows controlled slippage under overload rather than catastrophic failure. The PTO shaft shear bolt alternative provides a simple, cost-effective safety solution for lighter-duty applications.

Working Principle of Batwing Mower PTO Driveline Shaft
A PTO shaft (power take-off shaft) is the mechanical link that transfers rotational energy from your tractor's engine to the batwing mower's cutting mechanism. The process begins at the tractor's PTO stub shaft, which protrudes from the rear of the tractor transmission. When the operator engages the PTO, the tractor engine's power is routed through the transmission to this stub shaft, which rotates at either 540 RPM or 1000 RPM depending on the tractor configuration. The PTO shaft yoke on the tractor end of the PTO driveline shaft slides onto this stub shaft's splined profile (such as 1.375"-6 spline or 1.750"-20 spline), creating a positive mechanical connection that transmits torque without slippage.
The PTO shaft universal joint (U-joint) at each end allows the shaft to operate at various angles as the tractor and mower move independently over uneven ground. In this specific PTO drive shaft for Woods batwing mowers, the Cat 4/5 constant velocity joint design goes a step further by equalizing input and output rotational speeds regardless of the operating angle. This is critical for batwing mowers because the folding wing sections create significant angular offset between the tractor and implement during transport and field operation.
The PTO shaft tube serves as the central torque-transmitting element, connecting the two end yokes. Inside the tube assembly, a telescoping section with a splined or profiled cross-section allows the shaft to change its overall length as the distance between the tractor and mower varies during turns, over hills, or when the three-point hitch position changes. This telescoping capability is essential because a fixed-length shaft would bind or disconnect during normal field operation.
At the implement end, the PTO shaft yoke connects to the batwing mower's power divider (also called a gearbox input shaft), which splits the incoming rotary power into three output paths: one for each wing and one for the center section. The power divider uses bevel gears or spur gears to redirect the rotation at right angles toward the blade spindles. Without a properly functioning PTO driveline shaft, this entire power distribution system cannot operate.
When overload protection is installed, such as a slip clutch PTO shaft or shear pin PTO shaft, the safety device sits between the shaft and one of the yokes. If the blade assembly strikes a rock, stump, or other immovable object, the overload device absorbs the shock by either allowing controlled slippage (slip clutch) or breaking a sacrificial PTO shaft shear bolt, disconnecting the drive before damage reaches the tractor transmission or mower gearbox.

Applications of PTO Shaft for Batwing Mower
- Quản lý tàn dư cây trồng
After harvesting corn, soybeans, cotton, or other row crops, the remaining stalks and plant matter must be shredded to accelerate decomposition and prepare the field for the next planting cycle. Woods batwing mowers powered by this heavy duty PTO shaft can cover 10 to 15 feet of cutting width in a single pass, making it efficient to process hundreds of acres of crop residue within tight seasonal windows. - Kiểm soát thảm thực vật ven đường
Municipalities and highway departments rely on batwing mowers with reliable PTO drive shafts to maintain clear sightlines and manage vegetation along roadsides, highway medians, and drainage ditches. The wide cutting swath of a batwing mower, combined with the consistent power delivery from a Cat 4/5 tractor PTO shaft, enables crews to cover miles of roadway efficiently while maintaining a clean, professional appearance along public infrastructure. - Quản lý vườn cây ăn quả và vườn nho
In orchards and vineyards, controlling the undergrowth between rows is essential for pest management, irrigation efficiency, and harvest access. A batwing mower PTO shaft with a 540 PTO shaft configuration is well suited for the mid-range tractors commonly used in these environments. The CV joint design ensures smooth operation at the tighter turning angles required to navigate between tree and vine rows without damaging the driveline. - Weed and Light Brush Control
For clearing invasive weeds, light brush, and saplings in CRP land, fence lines, and undeveloped acreage, a batwing mower equipped with this tractor PTO drive shaft provides the cutting width and power delivery necessary to handle mixed vegetation efficiently. The PTO shaft sizes available from CMN Transmission ensure compatibility with a wide range of tractors, making it easy to match the right custom PTO shaft configuration to your specific tractor and mowing needs. - Quản lý đồng cỏ
Livestock producers use batwing mowers to maintain healthy pastures by cutting weeds, thistles, and overgrown grasses that compete with desirable forage species. This PTO shaft for batwing mower delivers the sustained torque needed for all-day mowing across rolling terrain, and the telescoping PTO shaft tube design accommodates the constantly changing distance between tractor and implement as you traverse uneven pasture ground. - Bảo dưỡng cỏ
Large-scale grass maintenance for sports complexes, airfields, solar farms, and industrial parks demands dependable, high-capacity mowing equipment. The Woods BW-series batwing mower, driven by this 1000 rpm PTO shaft or 540 PTO shaft, can handle vast turf areas quickly and uniformly. The constant velocity joints reduce vibration-related operator fatigue during extended mowing sessions that may last 8 to 10 hours per day. - Máy nghiền thân cây trồng theo hàng
Shredding tough stalks from crops like corn and cotton requires a PTO driveline shaft capable of transmitting high torque without failure. The Cat 4/5 rated shaft handles up to 184 HP at 1000 RPM, providing more than enough power for aggressive stalk shredding operations. An optional shear bolt PTO shaft or slip clutch mechanism adds an extra layer of protection when working in fields with potential hidden hazards like old fence posts or rocks.

How to Install PTO Shaft on Woods Batwing Mower
Proper installation of the PTO shaft for Woods batwing mowers is essential for safe, efficient operation and long service life. Before beginning, ensure the tractor engine is off, the PTO is disengaged, the ignition key is removed, and the mower is securely supported on level ground. Review the PTO shaft sizes and spline specifications to confirm that your replacement shaft matches your tractor and mower configuration.
Step 1: Verify Compatibility
Check the tractor's PTO stub shaft spline type (1.375"-6, 1.375"-21, or 1.750"-20) and the mower's input shaft spline. Compare these with the PTO shaft yoke specifications on the new shaft. Confirm the horsepower category (Cat 4, 5, or 6) matches the tractor's PTO output rating. If you are uncertain about your tractor PTO shaft specifications, consult your tractor owner's manual or contact CMN Transmission for assistance with selecting the correct PTO shaft adapter or configuration.
Step 2: Prepare the Shaft Assembly
Unpack the PTO driveline shaft and inspect all components, including both PTO shaft u joint assemblies, the PTO shaft yoke ends, the telescoping PTO shaft tube sections, and the PTO shaft cover (safety guard). Apply a generous layer of multi-purpose grease to the splined telescoping section and to all grease zerks on the U-joints. This initial lubrication is critical to preventing premature wear during the first hours of operation.
Step 3: Set the Correct Length
Back the tractor up to the mower until the hitch is connected and the three-point hitch is set to the normal operating height. Extend the telescoping PTO shaft tubing to measure the distance between the tractor PTO stub and the mower input shaft. The shaft should have at least 6 inches of overlap in the telescoping section when the tractor and mower are at maximum separation (such as during a tight turn). If the shaft is too long, mark and trim the PTO shaft tube and profiles according to the manufacturer's cutting guidelines.
Step 4: Connect the Tractor End
Align the PTO shaft yoke with the tractor PTO stub shaft splines. Push the yoke onto the spline until the locking collar or spring-loaded pin clicks into the locking groove. Tug the shaft gently to confirm it is fully seated and locked. If your shaft includes a PTO shaft with slip clutch or PTO shaft shear bolt assembly, verify that it is properly seated between the yoke and the shaft tube on the tractor end.
Bước 5: Kết nối đầu thiết bị
Slide the implement-side PTO shaft yoke onto the batwing mower's power divider input shaft. Ensure the spline is fully engaged and the locking mechanism is secure. Attach the PTO shaft cover chains or clips to the tractor drawbar and the mower frame to prevent the safety shield from rotating with the shaft.
Step 6: Final Checks and Test Run
With all connections made, walk around the entire assembly to ensure no tools, rags, or debris are near the shaft. Start the tractor, engage the PTO at low RPM, and observe the shaft for smooth rotation, balanced operation, and absence of vibration or unusual noise. Gradually increase to full operating speed. Monitor the PTO shaft universal joint and yoke connections for any signs of looseness or misalignment during the first 15 to 20 minutes of operation.

Maintenance Tip for Tractor PTO Shafts
1. Lubricate U-Joints and Telescoping Section Regularly
Grease every PTO shaft u joint and the splined telescoping section after every 8 to 10 hours of operation, or at minimum before each use session. Use a high-quality NLGI #2 lithium-complex grease and apply it through each grease zerk until fresh grease appears at the bearing seal edges. Proper lubrication prevents metal-to-metal contact, reduces friction heat, and extends the life of the PTO shaft universal joint bearings and cross kits.
2. Inspect PTO Shaft Cover and Guard Components
Before every use, visually inspect the PTO shaft cover for cracks, dents, or missing retention clips. The guard tube must rotate freely and independently from the spinning shaft. Replace any damaged PTO shaft cover components immediately, as a compromised guard poses a serious entanglement hazard. Also confirm that the anti-rotation chains are attached to both the tractor and implement to prevent the guard from spinning with the shaft.
3. Check Yoke and Spline Wear
Periodically remove the PTO shaft from both the tractor and implement and inspect the PTO shaft yoke bores for signs of elongation, cracking, or excessive wear. Check the splined profiles on the telescoping section for backlash or play by twisting the shaft halves in opposite directions. If more than a few degrees of rotational play is detected, the splines are worn and the PTO shaft tube assembly should be replaced to prevent sudden failure during operation.
4. Test Overload Protection Mechanisms
If your PTO shaft is equipped with a slip clutch PTO shaft, test the clutch at the start of each season by gradually loading the shaft until the clutch slips. Adjust the clutch spring tension if needed. For a shear bolt PTO shaft, keep a supply of the correct grade and size of PTO shaft shear bolt on hand at all times. Never substitute hardened bolts or incorrect grades, as this defeats the overload protection and can cause severe damage to the tractor drivetrain or mower gearbox.
5. Clean and Store Properly
After completing each mowing job, power-wash or brush off grass, dirt, and debris from the entire PTO drive shaft assembly. Residual organic material traps moisture and accelerates corrosion, particularly around the U-joint bearing caps and splined telescoping section. When the shaft will not be used for an extended period, apply a light coat of anti-corrosion oil to all exposed metal surfaces and store the PTO shaft horizontally in a dry, covered location away from direct sunlight and moisture.
6. Seasonal End-of-Year Inspection
At the end of each mowing season, perform a thorough inspection of all PTO shaft parts. Disassemble the U-joint bearing caps and check for pitting or discoloration that indicates moisture intrusion. Measure the PTO shaft tube wall thickness at high-stress points for signs of fatigue cracking. Replacing worn U-joints, bearings, and seals during the off-season prevents unexpected failures at the start of the next busy mowing period and keeps your agricultural PTO shaft performing at its best.

Common Troubleshooting for PTO Drive Shaft Issues
- Rung động quá mức trong quá trình vận hành
If you experience excessive vibration when the PTO drive shaft is engaged, first check the PTO shaft u joint bearings for wear or dry operation. Worn U-joint cross kits develop play that creates an imbalance at high RPM. Next, verify that the tractor's three-point hitch is adjusted so the shaft operates within its designed angular range, typically less than 25 degrees. Operating beyond this angle forces the U-joints beyond their intended range and creates vibration. Also inspect the PTO shaft tube for dents, bends, or debris buildup that could cause rotational imbalance. If the shaft has been shortened or modified, confirm that both halves of the telescoping section are still properly indexed and phased. - Shaft Will Not Engage or Disengage
If the PTO shaft yoke will not slide onto the tractor PTO stub or the mower input shaft, check for burrs, rust, or debris on the spline surfaces. Light filing or emery cloth can remove minor burrs, and penetrating oil can free corroded splines. Ensure you are using the correct PTO shaft sizes and spline type for your tractor. If the quick-release locking collar or spring-loaded pin is sticking, clean and lubricate the mechanism. In cases where the shaft binds and will not disengage, the splines may be galled from running dry. Applying penetrating lubricant and gently rocking the shaft while pulling should free the connection. A PTO shaft adapter may be needed if the spline types are mismatched. - Slip Clutch Slipping Prematurely or Not Engaging
A slip clutch PTO shaft that slips during normal mowing (without encountering an obstruction) typically has worn friction plates or insufficient spring tension. Tighten the adjustment bolts incrementally and test under load. If tightening does not resolve the issue, the friction plates need replacement. Conversely, if the slip clutch never activates during an overload event and instead transmits the full shock to the drivetrain, the plates may be glazed from overheating. Remove the clutch assembly, sand the friction surfaces lightly, and reassemble with correct torque specifications. - Repeated Shear Bolt Failures
If PTO shaft shear bolt replacements are failing frequently during normal operation, verify that you are using the correct grade and diameter of shear bolt specified by the manufacturer. Using bolts that are too soft will cause premature shearing; bolts that are too hard will transfer shock loads to the drivetrain. Also check the mower blades for damage or imbalance that could create cyclic loading. If the problem persists, consider upgrading to a slip clutch PTO shaft for smoother overload protection. - Unusual Clicking or Popping Noises
Clicking or popping sounds typically indicate worn PTO shaft universal joint bearings or loose yoke bolts. With the PTO disengaged and the engine off, manually rotate the shaft and feel for rough spots or catches at the U-joint. Any detectable play means the U-joint cross kit needs immediate replacement. Also check the yoke retaining bolts and set screws for proper torque. On shafts equipped with constant velocity joints, clicking during turns can indicate worn CV joint internals. Contact CMN Transmission for replacement CV joint kits matched to your specific PTO shaft parts configuration.

Batwing Mower PTO Shaft & Rotary Cutter Gearbox
A batwing mower PTO shaft is the critical power transmission link specifically designed for batwing-style and batwing mowers such as the Woods BW-series. Unlike standard single-section rotary cutter PTO shafts, the batwing mower PTO shaft must handle significantly higher torque demands because it powers a main gearbox (power divider) that drives three cutting decks simultaneously. These PTO drive shafts are typically rated at Cat 4 or Cat 5 with constant velocity joints to accommodate the complex angular movements that occur when the folding wing sections articulate during transport and field operation. The tractor PTO shaft assembly for a batwing mower must be engineered for both 540 PTO shaft and 1000 PTO shaft configurations, as different tractor sizes and application requirements demand different rotational speeds and torque outputs.
A rotary cutter gearbox is the gear-driven housing mounted on the mower deck that receives rotational power from the PTO driveline shaft and redirects it 90 degrees downward to spin the cutting blades. In a batwing mower like the Woods BW12 or BW15.70, the primary gearbox is the power divider, which sits at the center of the implement and distributes torque to each of the three cutting sections through secondary output shafts. These gearboxes contain hardened spiral bevel gears, heavy-duty bearings, and oil-bath lubrication systems designed to handle continuous high-load operation in harsh field conditions.
The PTO shaft and rotary cutter gearbox form a unified power transmission system. The PTO driveline shaft delivers rotational energy from the tractor to the gearbox input shaft via the splined PTO shaft yoke connection. Any mismatch in torque capacity, RPM rating, or spline specification between the PTO shaft and gearbox will result in premature wear, excessive vibration, or outright failure. When selecting a replacement of Woods PTO shaft or rotary cutter gearbox, it is essential to ensure both components are rated for the same horsepower and RPM range. CMN Transmission offers matched PTO shaft and gearbox packages, providing customers with a complete, tested power transmission solution that guarantees compatibility and optimal performance for their batwing mower applications.

Tại sao nên chọn trục PTO nông nghiệp của CMN Transmission?
CMN Transmission (Korea) is one of the world's leading suppliers of industrial power transmission system solutions, producing a comprehensive range of components including PTO drive shafts, agricultural gearboxes, hydraulic cylinders, planetary gearboxes, worm gearboxes, bevel gears, gear racks, chain sprockets, chains, pulleys, taper bushes, couplings, and more. With over 200 staff, a main production base, more than 10 shareholding cooperative factories, and 150,000+ standard stock products, CMN Transmission has the manufacturing scale and technical depth to meet the demanding requirements of agricultural, industrial, and commercial customers worldwide.
Our agricultural PTO shaft product line is designed, tested, and manufactured under a strict quality management system certified to ISO9001, CE, and TS16949 standards. Every tractor PTO shaft undergoes 100% individual inspection before shipping, including dimensional verification, spline fitment testing, U-joint articulation checks, and balance runout measurement. This level of quality control ensures that every PTO shaft for batwing mower that leaves our facility meets or exceeds OEM performance standards.
What sets CMN Transmission apart from other PTO shaft suppliers is our combination of factory-direct pricing, fast lead times (typically 15 to 25 days), and full customization capabilities. Whether you need a standard replacement of Weasler PTO shaft for a Woods BW12 or a fully custom PTO shaft with non-standard splines, modified lengths, or special overload protection, our engineering and production teams can deliver. We support OEM, ODM, and private-label orders, making us a trusted partner for implement manufacturers, farm equipment dealers, and large-scale agricultural operations across more than 53 countries on six continents.
Our commitment extends beyond the sale. CMN Transmission provides one-stop after-sales service, including technical support for PTO shaft installation and troubleshooting, readily available replacement PTO shaft parts (U-joint kits, yokes, tubes, shear bolts, slip clutch assemblies, and PTO shaft covers), and responsive communication throughout the ordering and delivery process. With the business philosophy of "Transmit Force, Drive Future," CMN Transmission is dedicated to helping our customers reduce downtime, lower operating costs, and achieve higher productivity with reliable, high-performance power transmission solutions.


Câu hỏi thường gặp
Q: What PTO shaft sizes are available for Woods BW12, BW10.50, and BW15.70 batwing mowers?
A: CMN Transmission offers this PTO shaft in Cat 4, Cat 5 configurations with tractor-end spline options including 1.375"-6 spline, 1.375"-21 spline, and 1.750"-20 spline. The shaft length is configured to match the specific distance between your tractor PTO stub and the mower's power divider input. Contact our sales team with your tractor model and mower serial number, and we will recommend the exact PTO shaft sizes for your setup.
Q: Is this PTO shaft a direct replacement of Weasler PTO shaft for Woods batwing mowers?
A: Yes, this PTO drive shaft is engineered as a direct drop-in replacement of Weasler PTO shaft assemblies and the Walterscheid 2580 series used as original equipment on Woods BW-series batwing mowers. The spline profiles, yoke dimensions, and overall shaft geometry match OEM specifications, so no PTO shaft adapter, modification, or shimming is required. Simply remove the old shaft and install the new one using the same connections.
Q: Should I choose a 540 PTO shaft or 1000 PTO shaft for my batwing mower?
A: The choice between a 540 PTO shaft and a 1000 rpm PTO shaft depends on your tractor's PTO configuration. Smaller tractors (typically under 100 HP) usually have a 540 RPM PTO output, while larger row-crop tractors often feature a 1000 RPM PTO. Check your tractor operator's manual or the PTO stub shaft spline to confirm. CMN Transmission can supply this shaft in both 540 and 1000 RPM configurations to match your specific tractor PTO drive shaft requirements.
Q: Can I order a custom PTO shaft with specific length or spline modifications?
A: Absolutely. CMN Transmission supports full customization including custom PTO shaft lengths, non-standard spline combinations, and optional PTO shaft adapter fittings. If your tractor or mower has been modified or if you are fitting this shaft to a non-standard application, provide us with the tractor PTO stub spline type, the implement input shaft spline, and the center-to-center distance between the two connections. Our engineering team will produce a custom PTO shaft to your exact specifications.
Q: What is the difference between a PTO shaft with slip clutch and a shear bolt PTO shaft?
A: A slip clutch PTO shaft uses spring-loaded friction plates that allow the shaft to slip under overload, protecting the drivetrain without requiring any parts replacement afterward. A shear bolt PTO shaft uses a sacrificial bolt that breaks under overload to disconnect the drive. The slip clutch is more convenient for operators who frequently encounter obstacles, while the PTO shaft shear bolt option is more economical upfront. Both protect the tractor transmission and mower gearbox from damage.
Q: How often should I grease the PTO shaft u joint and telescoping section?
A: We recommend greasing each PTO shaft u joint and the telescoping splined section every 8 to 10 operating hours, or before each use session, whichever comes first. Use NLGI #2 lithium-complex grease applied through the grease zerks until fresh grease purges from the bearing seal edges. Regular lubrication is the single most important maintenance step for extending the life of your PTO shaft universal joint bearings and preventing premature failure of PTO shaft parts.
Q: What horsepower rating does this agricultural PTO shaft support?
A: The horsepower rating depends on the category and RPM configuration selected. Cat 4 shafts are rated at 60 HP (540 RPM) or 110 HP (1000 RPM). Cat 5 shafts handle 90 HP (540 RPM) or 170 HP (1000 RPM). Cat 5 shafts support 110 HP (540 RPM) or 184 HP (1000 RPM). This range covers the vast majority of tractors used with Woods BW-series batwing mowers, from mid-size utility tractors to large agricultural PTO shaft applications on row-crop machines.
Q: Does this PTO shaft come with a safety guard (PTO shaft cover)?
A: Yes, every PTO shaft shipped by CMN Transmission includes a complete PTO shaft cover (safety guard tube) with anti-rotation chains and mounting hardware. The guard is designed to spin freely around the shaft and prevent operator contact with the rotating components. Safety guards are mandatory for any tractor PTO shafts used in agricultural, municipal, or commercial environments and must be kept intact and functional at all times during operation.
Q: Can this PTO shaft be used on other batwing mower brands besides Woods?
A: While this specific shaft is designed and dimensioned for Woods BW-series batwing mowers, the Cat 5 constant velocity design and standard PTO spline sizes make it potentially compatible with other batwing mower brands that use similar spline inputs and shaft lengths. If you are looking for a replacement for a different mower brand, contact CMN Transmission with your implement specifications, and our team will confirm compatibility or offer a custom PTO shaft solution tailored to your equipment.
Q: What is the lead time and shipping process for ordering this tractor PTO shaft?
A: Standard lead time for this PTO drive shaft is 15 to 25 business days from order confirmation, depending on the specific configuration and current production schedule. CMN Transmission ships globally to over 53 countries via sea freight, air freight, or express courier based on your urgency and budget. Every shaft is individually inspected, tested for balance and runout, and securely packaged before leaving our facility to ensure it arrives in perfect condition ready for immediate installation.
Q: How do I determine the correct PTO shaft universal joint cross kit for replacement?
A: The U-joint cross kit size is determined by the shaft category. Cat 4, Cat 5 PTO shaft universal joint kits each have specific bearing cap diameters and cross dimensions. When ordering replacement PTO shaft parts, provide your shaft's category number and the original U-joint dimensions (bearing cap outer diameter and center-to-center measurement). CMN Transmission stocks all common cross kit sizes and can supply them individually or as part of a complete PTO shaft u joint rebuild package.

Đánh giá của khách hàng
Marcus Hollingsworth, Quản lý trang trại, Hoa Kỳ
"Been running a Woods BW15.70 on our 320-acre cattle operation for the past three seasons, and we finally needed to replace the original Weasler PTO shaft after the U-joints started showing play. Ordered the Cat 5 x 1.750-20 spline configuration from CMN Transmission, and honestly the fit was perfect right out of the box. No shimming, no adapter headaches. We are about 220 hours into the new shaft and have been cutting through some heavy Johnson grass along creek banks without any issues. The guard tube is solid too, way better than the flimsy aftermarket one we tried a couple years back. I would order from CMN again."
James Whitfield, Fleet Supervisor, United Kingdom
"We maintain about 180 km of roadside verges for our county council and run two Woods BW12 batwing mowers behind New Holland T6 tractors. The previous PTO shafts we were buying from a European supplier took 6 to 8 weeks to arrive and were quite expensive. Switched to CMN Transmission last year and the shafts arrived in about 18 days, well packed and clearly labeled. The constant velocity joints run smooth and the price was roughly 35% less than what we had been paying. Very happy with the value. Our maintenance team says the grease zerks are well positioned and easy to access, which saves time during weekly servicing."
Shane Rutherford, Agricultural Contractor, New Zealand
"I run a contractor business doing pasture topping and crop residue clearing across the Waikato region. Bought the Cat 5, 540 RPM PTO shaft for my BW10.50. Communication with CMN Transmission was excellent throughout the ordering process. They answered all my questions about spline compatibility within a few hours. The shaft itself arrived in good condition with all hardware included. After about 150 hours of operation cutting Kikuyu grass and post-harvest maize stalks, everything is holding up well. The slip clutch option saved my gearbox twice already when I hit some hidden fence posts buried in tall grass. Definitely recommend."
Hendrik Voss, Arable Farmer, Germany
"Wir bewirtschaften 450 Hektar Ackerfläche in Niedersachsen und nutzen einen Woods BW15.60 mit 1000er Zapfwelle an einem John Deere 6130R. I ordered the Cat 5 replacement shaft with 1.375-21 spline from CMN Transmission. The shipping to Germany was fast, about 20 days, and the customs documentation was clean which made import easy. Build quality is impressive for the price. The PTO shaft tube walls feel thick and the CV joints are smooth. We have completed one full harvest season of stalk shredding with it, roughly 300 working hours, and no complaints. I plan to order a spare for next season."
Craig Donovan, Sugarcane Farmer, Australia
"We are a sugarcane operation in Queensland and use batwing mowers for trash management between rows. Getting PTO shaft parts out here is usually a nightmare with long lead times from overseas suppliers. CMN Transmission got our custom PTO shaft order from quote to delivery in about 22 days, which is faster than any supplier we have used before. The shaft is rated for our 1000 RPM setup and the shear bolt protection has already proven itself when we caught a buried irrigation riser. The price was competitive enough that we ordered two extra shear bolt kits as spares. Good experience overall."
Pierre Lacroix, Mixed Crop Farmer, France
"J'utilise un Woods BW10.60 sur mon exploitation de 200 hectares dans le Gers pour le broyage de chaumes et l'entretien des prairies. I contacted CMN Transmission about a replacement PTO drive shaft after my original Walterscheid unit cracked at the yoke. They helped me identify the correct Cat 4 configuration and even sent a dimensional drawing for me to verify before production. The finished shaft matched perfectly. Installation took about 30 minutes with two people. After 180 hours this season, the shaft is performing flawlessly. What impressed me most was the after-sales follow-up; they emailed to check if everything was satisfactory."
Ricardo Almeida, Farm Operations Director, Brazil
"We operate a large soybean and corn farm in Mato Grosso and use batwing mowers extensively for stalk shredding across more than 2,000 hectares each season. Sourcing quality PTO shafts locally has always been a challenge here. CMN Transmission offered us OEM-level quality at a factory-direct price, and they even shipped to our freight forwarder in Santos without any complications. The Cat 5, 1000 RPM rated PTO shaft with slip clutch has been working hard for two full seasons now. Zero downtime so far. We have since ordered PTO shafts for our other three mowers as well. The customer support team speaks English well and responds promptly."
Thabo Mabena, Contract Mower Operator, South Africa
"We do contract mowing for several grain farms in the Free State province and needed an affordable but reliable PTO shaft for our Woods BW15.50. The original shaft had been welded and repaired multiple times and was unsafe to keep using. I found CMN Transmission online and requested a quote. They responded same day with pricing and delivery details. The shaft arrived within three weeks, which I was not expecting given the distance to South Africa. The quality is solid, the U-joints turn smoothly, and the safety guard fits properly. We have put roughly 250 hours on it through some tough conditions including rocky fields and tall sorghum stubble."
Daniel Makarchuk, Farm Owner, Canada
"We run a 600-acre mixed farm near Saskatoon and use a Woods BW10.70 batwing mower for managing our hay fields and pastures. Our previous PTO shaft was a no-name brand that lasted barely one season before the U-joints packed in. This time I went with CMN Transmission on a recommendation from another farmer in our co-op. The Cat 5 shaft with 1.750-20 spline slid right onto our Case IH Maxxum without any issues. Build quality is noticeably better, the machining on the yokes is clean, and the telescoping section moves freely. We are about 190 hours into the first year and everything feels tight and solid. Happy with the purchase and the competitive pricing."
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