{"id":7120,"date":"2026-04-30T02:14:29","date_gmt":"2026-04-30T02:14:29","guid":{"rendered":"https:\/\/korea-transmission.com\/?post_type=product&p=7120"},"modified":"2026-04-30T07:27:31","modified_gmt":"2026-04-30T07:27:31","slug":"pto-shaft-for-case-ih-discbine-dc105-dc125-dc135-dc165-disc-mower","status":"publish","type":"product","link":"https:\/\/korea-transmission.com\/id\/produk\/pto-shaft-for-case-ih-discbine-dc105-dc125-dc135-dc165-disc-mower\/","title":{"rendered":"PTO Shaft for Case IH Discbine DC105, DC125, DC135, DC165 Disc Mower"},"content":{"rendered":"

Reliable PTO Shaft for Case IH Disc Mower Models<\/h2>\n

PTO Shaft for Case IH Disc Mower Model: DC105, DC125, DC135, DC165 Disc Mower<\/strong><\/p>\n

The PTO shaft for Case IH disc mower models DC105, DC125, DC135, and DC165 is a precision-engineered agricultural PTO shaft designed to transmit high-torque rotational power from your tractor’s power take-off to the cutterbar and conditioning system of Case IH center-pivot disc mower conditioners. Built to the CAT 6 standard with a 55N torque series, this tractor PTO shaft incorporates precision-machined spline yokes, hardened cross-and-bearing U-joints, heavy-gauge telescoping shaft tubing, and a full-enclosure PTO shaft cover with low-friction bearing support. Whether your tractor runs a 1.375 in. 6-spline (540 RPM) or a 1.375 in. 21-spline (1,000 RPM) output stub, CMN Transmission stocks the right configuration and we recommend upgrading to CAT6 over the stock CAT4 for improved service life on these demanding disc mower applications.<\/p>\n

In the field, this PTO drive shaft for discbine performs across the full spectrum of hay and forage operations: slicing through dense alfalfa and heavy grass stands with the DC105’s 6-disc cutterbar, powering wide-swath conditioning on the DC165’s 10-disc cutterbar at 100 HP, and everything in between. The integrated slip clutch and overrunning clutch assembly at the rear of the PTO shaft absorbs sudden shocks – rock strikes, slug feeding, hard starts – that would otherwise damage the gearbox or cutterbar drive train. For contractors and large-scale hay producers who run their equipment hard, this heavy duty PTO shaft is built to keep up. CMN Transmission supplies direct from the factory, so you receive genuine PTO shaft parts at a fraction of OEM dealer pricing, with fast shipping worldwide.<\/p>\n

\"Poros<\/p>\n

Main Shaft: CAT 6 PTO<\/h2>\n

\"PTO<\/p>\n

Implement input shaft is usually 1.375-21 spline. Many models come equipped with CAT4 PTO. We recommend CAT6 for improved life. Often these PTO are short (36″ OAL). Beware over-turning!<\/p>\n\n\n\n\n\n\n
Traktor<\/strong><\/td>\nMelaksanakan<\/strong><\/td>\nKeterangan<\/strong><\/td>\n<\/tr>\n
1.375-6<\/td>\nnone<\/td>\nCAT6 55N PTO with 1.375-21 yoke<\/td>\n<\/tr>\n
1.375-21<\/td>\nnone<\/td>\n55N PTO without the implement yoke<\/td>\n<\/tr>\n
1.750-20<\/td>\nnone<\/td>\n55N PTO without the implement yoke<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

DC5 Series Disc Mower Specifications<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Model<\/th>\nDC105<\/th>\nDC125<\/th>\nDC135<\/th>\nDC165<\/th>\n<\/tr>\n<\/thead>\n
Cutterbar<\/th>\n<\/tr>\n
Cutting Width \/ Cutting Height<\/td>\n10 ft. 1 in. (3072 mm) \/ 0.5\u20132.6 in. (12\u201365 mm)<\/td>\n11 ft. 7 in. (3537 mm) \/ 0.5\u20132.6 in. (12\u201365 mm)<\/td>\n13 ft. 1 in. (3985 mm) \/ 0.5\u20132.6 in. (12\u201365 mm)<\/td>\n16 ft. 5 in. (5006 mm) \/ 0.5\u20132.6 in. (12\u201365 mm)<\/td>\n<\/tr>\n
Cutting Height w\/ Optional High-Stubble Shoes<\/td>\n2.8\u20135.3 in. (71\u2013134 mm)<\/td>\n<\/tr>\n
Cutting Height w\/opt. Adjustable Shoes<\/td>\n0.5\u20135.6 in. (12\u2013143 mm)<\/td>\n<\/tr>\n
Cutter Bar Tilt Angle<\/td>\n2\u201310 degrees<\/td>\n<\/tr>\n
Number of Discs \/ Knives per disc<\/td>\n6 \/ 2<\/td>\n7 \/ 2<\/td>\n8 \/ 2<\/td>\n10 \/ 2<\/td>\n<\/tr>\n
Knife Length \/ Angle<\/td>\n4.95 in. (126 mm) \/ 12 degrees<\/td>\n<\/tr>\n
Disc Speed @ 1,000 rpm PTO Speed<\/td>\n2,250 rpm<\/td>\n<\/tr>\n
Knife Tip Speed @ 1,000 rpm PTO Speed<\/td>\n168 mph (270 kph)<\/td>\n<\/tr>\n
Cutter Bar Shear Protection<\/td>\nStandard – Frangible splines in disc drive hub<\/td>\n<\/tr>\n
Roll Conditioning<\/th>\n<\/tr>\n
Jenis<\/td>\nChevron intermeshing molded rubber<\/td>\nChevron intermeshing molded rubber, or chevron intermeshing steel rolls<\/td>\n<\/tr>\n
Panjang<\/td>\n90 in. (2286 mm)<\/td>\n102 in. (2591 mm)<\/td>\n125 in. (3175 mm)<\/td>\n<\/tr>\n
Diameter<\/td>\n2\u00d710.4 in. (264 mm)<\/td>\n<\/tr>\n
Kecepatan<\/td>\n640 rpm from factory
\n760 rpm with drive\/driven roll swap<\/td>\n
760 rpm from factory 640 rpm with drive\/driven roll swap<\/td>\n<\/tr>\n
Conditioning Roll Tension Adjustment<\/td>\nSingle crank, torsion bar roll pressure<\/td>\n<\/tr>\n
Conditioner Roll Gap Adjustment<\/td>\nAdjustable drawbolt, each end<\/td>\n<\/tr>\n
Conditioner Roll Timing Adjustment<\/td>\nSlotted holes on upper roll drive sprocket<\/td>\n<\/tr>\n
Flail Conditioning<\/th>\n<\/tr>\n
Jenis<\/td>\nFlail Rotor w\/90 tapered flails<\/td>\nFlail Rotor w\/100 tapered flails<\/td>\nFlail Rotor w\/120 tapered flails<\/td>\nTidak tersedia<\/td>\n<\/tr>\n
Length ft. in. (mm)<\/td>\n90 in. (2286 mm)<\/td>\n102 in. (2591 mm)<\/td>\n125 in. (3175 mm)<\/td>\nTidak tersedia<\/td>\n<\/tr>\n
Diameter<\/td>\n1\u00d722 in. (560 mm) flail rotor<\/td>\nTidak tersedia<\/td>\n<\/tr>\n
Rotor Speed (Standard\/Optional)<\/td>\n1,042 \/ 752 rpm<\/td>\nTidak tersedia<\/td>\n<\/tr>\n
Conditioner Adjustment<\/td>\nSingle crank adjustment of rotor hood<\/td>\nTidak tersedia<\/td>\n<\/tr>\n
Swath \/ Windrow Formation<\/th>\n<\/tr>\n
Min-Max Swath Width<\/td>\n6 ft. (1.8 m)<\/td>\n7 ft. (2.1 m)<\/td>\n10 ft. (3.0 m)<\/td>\n<\/tr>\n
Min-Max Windrow Width<\/td>\n3\u20136 ft. (0.91\u20131.8 m)<\/td>\n3\u20137 ft. (0.91\u20132.1 m)<\/td>\n3\u20138 ft. (0.9\u20132.4 m)<\/td>\n<\/tr>\n
Windrow Width Adjustments<\/td>\nHorizontal swathgate with adjustable fins Vertical Windrow forming shields<\/td>\n<\/tr>\n
Driveline<\/th>\n<\/tr>\n
Input Speed<\/td>\n540 RPM or 1,000 RPM<\/td>\n1.000 RPM<\/td>\n<\/tr>\n
Driveline Protection<\/td>\nSlip clutch and overrunning clutch assembly @ rear of PTO shaft<\/td>\n<\/tr>\n
Tractor Requirements<\/th>\n<\/tr>\n
Minimum PTO HP Required<\/td>\n80 hp<\/td>\n85 hp<\/td>\n90 hp<\/td>\n100 hp<\/td>\n<\/tr>\n
PTO Shaft Spline\/Size Requirements<\/td>\n540 rpm-6-spline \/ 1.375 in. (3.5 cm)
\nor 1,000 rpm-21-spline \/ 1.375 in.<\/td>\n
1,000 rpm – 21-spline \/ 1.375 in. (3.75 cm)<\/td>\n<\/tr>\n
Hydraulic Circuits Required<\/td>\nTwo Hydraulic Circuits Required: 1 Double Acting – Operate Swing Circuit, 1 Single Acting – Operate Raise\/Lower Circuit on Roll Conditioning Units or 1 Double Acting – Operate Raise\/Lower Circuit on Flail Conditioning Units<\/td>\n<\/tr>\n
Drawbar \/ 3-pt Hitch<\/td>\nASAE Cat. 2 or 3 drawbar (90 mm max drawbar width) \/ Cat. 2 or 3-pt hitch<\/td>\n<\/tr>\n
Tires<\/th>\n<\/tr>\n
Ag Rib Implement Tires<\/td>\n12.5L \u00d7 15 8PR<\/td>\n<\/tr>\n
Dimensions & Weight<\/th>\n<\/tr>\n
Transport Width<\/td>\n10 ft. 1 in. (3072 mm)<\/td>\n11 ft. 7 in. (3537 mm)<\/td>\n13 ft. 1 in. (3985 mm)<\/td>\n16 ft. 5 in. (5006 mm)<\/td>\n<\/tr>\n
Transport Length (2-pt Swivel \/ Drawbar Swivel Hitch)<\/td>\n23 ft. 7in. (7.2 m) \/ 22 ft. 8in. (6.9 m)<\/td>\n27 ft. 5 in. (8.4 m) \/ 26 ft. 5 in. (8.1 m)<\/td>\n32 ft. 0 in. (9.7 m) \/ 31 ft. (9.4 m)<\/td>\n<\/tr>\n
Operating Height<\/td>\n6 ft. 7 in. (2.01 m)<\/td>\n<\/tr>\n
Vertical Weight on Drawbar \/ 3-pt Lower Links<\/td>\n1,590 lb. (721 kg)<\/td>\n1,365 lb. (619 kg)<\/td>\n1,570 lb. (712 kg)<\/td>\n1,475 lb. (669 kg)<\/td>\n<\/tr>\n
Operating Weight (Rubber \/ Steel \/ Flail Conditioning)<\/td>\n5,760 lb. (2613 kg) \/ N\/A \/ 5,660 lb. (2567 kg)<\/td>\n5,880 lb. (2667 kg) \/ 5,980 lb. (2712 kg) \/ 5,760 lb. (2613 kg)<\/td>\n6,255 lb. (2837 kg) \/ 6,460 lb. (2930 kg) \/ 6,147 lb. (2788 kg)<\/td>\n6,980 lb. (3166 kg) \/ 7,080 lb. (3211 kg) \/ N\/A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Features of PTO Shaft for Case IH DC5 Series Disc Mower<\/h2>\n

1. CAT6 Heavy-Duty Construction<\/strong>
\nOur agricultural PTO shaft is manufactured to CAT6 standards, a significant upgrade over the factory CAT4 units supplied with many Case IH discbine models. CAT6 delivers greater torque capacity, thicker tube walls, and larger-diameter cross-and-bearing assemblies, translating to longer service life under the sustained high-load conditions typical of disc mower operation. This is especially critical on the DC135 and DC165, where the 8- and 10-disc cutterbars demand sustained full-rated power at 1,000 RPM with peak loading on every rock strike or slug feed event.<\/p>\n

2. Perlindungan Kopling Selip Terintegrasi<\/strong>
\nThis slip clutch PTO shaft features a factory-calibrated friction disc clutch assembly at the rear of the shaft. When the torque load exceeds the set threshold – during a rock impact, an unexpected clog, or a hard-stop cutterbar event the PTO shaft with slip clutch instantly allows the tractor PTO to overrun the implement input, absorbing shock energy before it reaches the gearbox, disc hubs, or cutterbar drive train. This protection mechanism can save thousands in implement repairs. The clutch is field-adjustable and the friction pack is replaceable without special tools, making it one of the most cost-effective PTO shaft parts to service on a scheduled basis.<\/p>\n

3. Universal Spline and Yoke Compatibility<\/strong>
\nThe PTO shaft yoke configurations available from CMN Transmission cover all three common tractor output splines used with these Case IH disc mower models: 1.375 in. 6-spline for 540 RPM applications, 1.375 in. 21-spline for standard 1,000 RPM setups, and 1.750 in. 20-spline for larger tractors. The implement-end yoke is standardized at 1.375 in. 21-spline to match the Case IH discbine input shaft. A PTO shaft adapter version is also available for non-standard configurations. This broad PTO shaft sizes coverage eliminates the guesswork of OEM part sourcing.<\/p>\n

4. Full-Coverage Safety Guard<\/strong>
\nThe PTO shaft guard is a fully enclosed two-part plastic cover spanning the entire length of the rotating driveline, with no exposed rotating surfaces. The PTO shaft cover is supported by low-friction bearing rings at each end and secured to the tractor or implement frame via safety chains, preventing the guard from co-rotating with the shaft. UV-stabilized, impact-resistant polyethylene construction ensures the guard lasts as long as the shaft itself. It complies with CE and ISO safety standards for agricultural PTO drivelines, providing reliable protection against entanglement for operators and bystanders at all times.<\/p>\n

5. Sealed U-Joint Cross Assemblies<\/strong>
\nEach PTO shaft u joint uses a full-needle-bearing cross-and-yoke design with grease nipples and internal seals to retain lubrication and exclude field contamination. The PTO shaft universal joint assemblies are manufactured from case-hardened alloy steel and ground to tight dimensional tolerances for smooth angular articulation without vibration-inducing play. Cross kits are stocked as standard PTO shaft parts, so when field wear eventually requires replacement, you can swap the cross assembly on-farm with basic tools, dramatically reducing total driveline ownership cost compared to fully sealed OEM shaft assemblies that require complete replacement.<\/p>\n

6. Precision Telescoping Tube Design<\/strong>
\nThe PTO shaft tube is a triangular-profile telescoping assembly with a low-friction nylon bushing at the overlap, enabling smooth extension and retraction as the disc mower articulates over contoured ground. This PTO shaft tubing is sized to maintain at least one-third engagement at full extension and never over-compress at minimum working length. Uprated tube wall thickness versus standard CAT4 PTO shaft tubing provides additional torsional rigidity under peak loads. Custom PTO shaft lengths are available on request for non-standard hitch-to-implement distances, with the required PTO shaft dimensions confirmed by our engineering team before production.<\/p>\n

\"PTO<\/p>\n

How the Disc Mower PTO Shaft Works<\/h2>\n

A PTO driveline shaft for disc mower is the critical mechanical link connecting the tractor’s power take-off stub to the disc mower conditioner’s main input gearbox.<\/p>\n

1. Tractor PTO Output
\nThe tractor’s PTO stub shaft rotates at either 540 RPM (6-spline, 1.375 in.) or 1,000 RPM (21-spline, 1.375 in. for most tractors, or 1.750 in. 20-spline for larger models). For the Case IH DC105, both 540 RPM and 1,000 RPM inputs are supported. The DC125, DC135, and DC165 are rated exclusively for 1,000 RPM operation. The 540 PTO shaft and 1000 RPM PTO shaft variants differ in their tractor-end yoke spline count – ensuring you order the correct configuration is the first critical step. A CAT6 tractor PTO shaft at 1,000 RPM delivers significantly higher power density than the same physical shaft running at 540 RPM.<\/p>\n

2. U-Joint Angular Articulation
\nAs the disc mower is drawn behind the tractor, the PTO shaft tractor connection articulates through a range of vertical and horizontal angles. Each end of the PTO driveline shaft incorporates a cross-and-needle-bearing PTO shaft u joint, which transmits torque through angles up to approximately 15 degrees without significant efficiency loss. The u-joint geometry is critical: operating consistently beyond the rated articulation angle causes cyclical velocity variation at each shaft revolution, inducing vibration, premature cross-bearing wear, and eventual failure. The telescoping PTO shaft tube between the two U-joints allows the shaft to change length as the mower swings and undulates, while a nylon guide bushing eliminates metal-on-metal contact inside the tube overlap.<\/p>\n

3. Slip Clutch Overload Protection
\nThe slip clutch PTO shaft assembly sits between the tractor-end yoke and the telescoping tube. It consists of a friction disc stack compressed by a spring-loaded pressure plate. Under normal operating torque, the clutch is locked solid and transmits all power without slip. When a sudden overload occurs, a blade striking a hidden rock, the cutterbar ingesting a slug of wet heavy crop, or an emergency stop, the peak torque momentarily exceeds the clutch spring preload, and the friction discs slip against each other, absorbing the shock energy as heat. This happens in milliseconds, far faster than any mechanical shear bolt could respond. After the overload passes, the clutch re-engages automatically. Without this PTO shaft with slip clutch protection, that same peak torque spike would travel directly into the disc mower’s input gearbox, potentially shearing the input shaft or fracturing gear teeth.<\/p>\n

4. Overrunning Clutch – Preventing Back-Drive
\nAlongside the slip clutch, the assembly incorporates an overrunning (free-wheel) clutch. When the tractor’s PTO is disengaged or the engine is declutched, the cutterbar discs and conditioning rolls carry significant flywheel energy due to their rotational mass at 2,250 RPM. Without the overrunning clutch, this stored energy would back-drive through the PTO shaft into the tractor’s transmission and PTO gearbox, potentially causing serious mechanical damage. The overrunning clutch allows the implement to freewheel until the stored kinetic energy dissipates naturally, while completely isolating the tractor drivetrain from the braking load. This dual-clutch arrangement makes a correctly specified disc mower PTO shaft essential for equipment longevity.<\/p>\n

5. Implement Input and Cutterbar Drive
\nThe implement-end PTO shaft yoke engages the 1.375 in. 21-spline input stub of the disc mower’s main driveline gearbox. From this point, the disc mower’s internal gear train distributes power across the modular cutterbar, the DC105’s 6 individual disc gearboxes, up to the DC165’s 10 modules. Each module drives two counter-rotating cutting discs at 2,250 RPM, corresponding to a knife tip speed of 168 mph (270 km\/h). Simultaneously, a branch from the main gearbox drives the conditioning rolls at 640-760 RPM. The entire internal power distribution relies on the tractor PTO drive shaft delivering clean, consistent rotational input at rated speed and within the torque limits managed by the slip clutch. This is why the PTO shaft dimensions and category must be correctly matched to the implement from the outset.<\/p>\n

\"PTO<\/p>\n

Applications of the Disc Mower PTO Drive Shaft<\/h2>\n

1. Forage Harvesting<\/strong>
\nMowing high-value crops like 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 1000 RPM PTO shaft configuration on DC125, DC135, and DC165 models delivers the consistent high-speed input required to maintain precise disc speed at 2,250 RPM, ensuring clean cuts that minimize leaf shatter the critical factor in preserving protein content in premium forage.<\/p>\n

2. Hay Harvesting<\/strong>
\nThe primary and most demanding use case for this PTO drive shaft for discbine. The disc mower cuts grasses and legumes into tight, uniform windrows while the integrated conditioning rolls crimp and crack plant stems to accelerate moisture loss in the field. Proper shaft torque capacity and slip clutch calibration are essential during high-speed cutting of dense alfalfa and thick grass stands, where sudden slug loads can occur. Faster dry-down before baling reduces spoilage risk and preserves forage quality.<\/p>\n

3. Pasture Management<\/strong>
\nTopping and trimming pastures to control rank or stemmy growth, remove weeds, and encourage fresh, palatable re-growth for grazing animals. While pasture management is a lighter-duty cycle than hay harvesting, the frequent engagement and disengagement of the PTO – combined with hitting variable-density patches of grass, rushes, or thistles – places repetitive torque-cycling loads on the PTO shaft u-joint and telescoping tube components. A quality heavy-duty shaft with proper guard tube coverage is essential for safe, long-term operation.<\/p>\n

4. 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. In silage operations, the slip clutch PTO shaft plays a particularly vital role heavier, wetter crop material creates substantially higher torque spikes through the driveline. A correctly rated CAT6 shaft with a properly adjusted slip clutch prevents sudden gearbox overloads that are common when cutting thick, lodged cereal crops or maize for silage.<\/p>\n

5. Cover Crop Termination<\/strong>
\nCutting down winter cover crops such as cereal rye or vetch ahead of planting season, leaving the biomass as a protective mulch layer to suppress weeds and protect soil structure. Cover crops are often thick, tangled, and close-growing, placing uneven side loads on the PTO driveline. The telescoping PTO shaft tube and articulating U-joints on this CAT6 unit handle the angular deflection that occurs when working on slopes or uneven terrain, which is common in early spring cover crop operations before ground conditions stabilize.<\/p>\n

6. Roadside & 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. In specialty mowing situations, the disc mower frequently changes direction and operating angle, placing high cyclic stress on the PTO shaft adapter and yoke interfaces. The full-coverage PTO shaft guard on this unit is particularly important in these environments, where workers, pedestrians, or boundary markers may be in proximity to the operating driveline.<\/p>\n

\"PTO<\/p>\n

Installation Instructions<\/h2>\n

1. Verify Spline Configuration and PTO Shaft Length
\nBefore installation, confirm your tractor’s PTO stub shaft spline type: 1.375 in. 6-spline (540 RPM), 1.375 in. 21-spline (1,000 RPM), or 1.750 in. 20-spline (1,000 RPM). These PTO shaft dimensions must match the selected shaft yoke exactly. Also measure the working distance between the tractor PTO stub and the implement input shaft at minimum and maximum hitch extension, ensuring the telescoping tube has adequate overlap at all operating angles. The typical OAL for these Case IH disc mower applications is approximately 36 inches – be cautious of over-extension.<\/p>\n

2. Ensure Tractor and Implement Are Stationary and Safe
\nPark the tractor on level ground, engage the parking brake, shut down the engine, and remove the ignition key before any PTO shaft work. Confirm the disc mower is lowered to rest position and that all cutterbar discs have fully stopped spinning. The flywheel energy in the conditioner rolls can cause discs to coast for up to 30 seconds after PTO disengagement. Always wait for a complete standstill before approaching the driveline. Follow all safety decals on both the tractor and the Case IH disc mower conditioner.<\/p>\n

3. Attach the Tractor-End Yoke
\nAlign the tractor-end PTO shaft yoke with the tractor’s PTO stub shaft, sliding it on until the locking collar or spring-pin detent snaps into the stub shaft groove. Give the yoke a firm tug rearward to confirm it is fully seated and cannot pull off. For the 1.375 in. 21-spline (1,000 RPM) configuration used on DC125, DC135, and DC165 models, ensure the splines mesh flush to the yoke shoulder. Attach the guard chain to a non-rotating part of the tractor to prevent the PTO shaft cover from spinning.<\/p>\n

4. Connect the Implement-End Yoke
\nSlide the implement-end yoke onto the disc mower’s 1.375 in. 21-spline input stub, pushing firmly until the locking mechanism engages. Secure the guard chain anchor to a fixed point on the implement frame. Ensure both the tractor-end and implement-end guard chains are properly anchored and that the full plastic PTO shaft guard tube can rotate freely around the inner driveline without obstruction from hoses, cables, or frame components. Misrouted guard chains are a common cause of guard failure in field conditions.<\/p>\n

5. Check Operating Angles and Collar Clearance
\nWith the disc mower in working position, visually inspect the PTO shaft angle at both tractor and implement ends. For optimal U-joint service life on this tractor PTO drive shaft, operating angles at each end should ideally not exceed 15 degrees, and the two U-joint angles should be approximately equal and in phase (phased yokes). Raise and lower the implement through its full hydraulic range to confirm there is no binding or excessive stretch in the telescoping tube at any operating position. Verify no components contact the PTO shaft tubing or guard during full articulation.<\/p>\n

6. Test at Low RPM Before Field Operation
\nBefore engaging at rated 1,000 RPM speed, start the tractor and engage the PTO at a reduced throttle setting – approximately 400-500 RPM for a test run. Listen for any vibration, clicking, or grinding from the U-joints or telescoping section that would indicate improper spline engagement, phasing error, or tube contact. Gradually increase to rated PTO speed while observing the shaft in a safe position. Confirm the slip clutch does not slip at normal operating torque, which would indicate an incorrect spring preload setting. Adjust slip clutch torque per CMN Transmission technical specifications before cutting.<\/p>\n

\"PTO<\/p>\n

Maintenance Tips for Tractor PTO Shafts<\/h2>\n

1. Greasing Cross Bearings<\/strong>
\nThe PTO shaft universal joint cross-and-bearing kits must be greased at regular intervals using a high-quality EP2 lithium-complex grease. Under normal hay harvesting conditions, apply grease every 8-10 operating hours via the grease nipple at each cross journal. In wet or dusty conditions, reduce the interval to every 4-6 hours. Over-greasing to purge old grease from each seal is preferred over under-greasing. Neglected cross bearings are the single most common cause of premature PTO shaft u-joint failure in disc mower applications.<\/p>\n

2. Lubricating the Telescoping Tube<\/strong>
\nThe inner and outer PTO shaft tubing profiles must be kept properly lubricated to allow smooth telescoping extension and retraction as the hitch geometry changes across field terrain. Apply a thin, even coat of high-temperature bearing grease or lithium-based grease to the inner tube profile at the start of each season and after every 50 operating hours. Fully extend and retract the tube several times after greasing to distribute the lubricant evenly. Do not use oil – it attracts dust and grit that accelerates wear on the telescoping profile bore.<\/p>\n

3. Inspecting the PTO Shaft Guard<\/strong>
\nInspect the full-coverage plastic PTO shaft cover before each use for cracks, splits, or missing sections. A damaged guard is a serious safety hazard and must be replaced immediately – never operate with a broken or incomplete guard. Check that the guard’s bearing ring (the internal plastic ring that allows the guard to remain stationary while the inner shaft rotates) spins freely without excessive play or roughness. Replace the bearing ring when it shows visible groove wear. Guard chains should be properly tensioned at both ends, not dragging on the ground.<\/p>\n

4. Checking and Adjusting Slip Clutch Torque<\/strong>
\nThe slip clutch springs on this PTO shaft with slip clutch assembly can lose preload tension over time, particularly if the clutch has fired repeatedly to protect against overloads. At the start of each season, inspect the spring pack condition and measure the clutch trip torque against the specification for your disc mower model. A clutch that slips at too low a torque will interrupt power delivery during normal cutting loads; one set too high will not protect the gearbox adequately. Refer to CMN Transmission’s technical data sheet for the correct spring compression dimension for the 55N series clutch used in this application.<\/p>\n

5. End-of-Season Storage Preparation<\/strong>
\nAt the end of each mowing season, clean the entire agricultural PTO shaft with a pressure washer, dry thoroughly, and apply a fresh coat of grease to the telescoping tube before storage. For extended storage exceeding four months, partially disengage the slip clutch spring pack (release spring tension per CMN’s service manual) to prevent the friction disc from developing a set and sticking. Store the PTO shaft horizontally in a dry environment, away from UV exposure that degrades the plastic guard components. Perform a full inspection and re-lubrication at the start of the next season.<\/p>\n

6. Yoke and Spline Interface Inspection<\/strong>
\nPeriodically inspect the tractor-end and implement-end yoke spline bores for wear, fretting, or deformation. Worn splines on a PTO shaft adapter or yoke can cause rotational slop that generates vibration and accelerates U-joint wear. Check that locking collars engage cleanly and that spring-pin detents are not worn or rounded off. Any lateral play in the yoke-to-stub engagement of more than 0.5 mm indicates it is time to replace the yoke assembly. CMN Transmission supplies individual replacement yoke kits as well as complete shaft assemblies for all supported PTO shaft sizes.<\/p>\n

\"PTO<\/p>\n

Panduan Pemecahan Masalah Umum<\/h2>\n

1. Excessive Vibration During PTO Operation
\nVibration in the poros PTO traktor<\/strong><\/a> is most commonly caused by worn or seized cross-bearing kits in the U-joints, unequal operating angles at the two U-joint ends, or a bent\/dented telescoping tube section. First, check the phasing of the two yoke forks – they must be aligned in the same plane (in-phase). Next, manually rotate the inner shaft and feel for roughness or resistance in each cross bearing. A seized bearing journal will create a once-per-revolution vibration pulse. Replace cross kits immediately if any roughness is detected. If the tube is bent, replace the full shaft assembly to prevent progressive fatigue cracking at the deformation site.<\/p>\n

2. Slip Clutch Slipping Continuously Under Normal Load
\nIf the slip clutch PTO shaft fires repeatedly or slips continuously during normal cutting, first rule out actual overload conditions – check that the disc mower cutterbar is not plugged and that you are not exceeding the machine’s rated HP. If the machine is operating normally, the slip clutch spring preload may have reduced over time. Disassemble the clutch pack, measure the spring free length against specification, and replace springs if they have shortened more than 10%. Also inspect the friction disc faces for glazing or contamination with oil from a leaking hub seal. Glazed friction surfaces require replacement to restore proper torque capacity.<\/p>\n

3. PTO Shaft Making Clicking or Knocking Noise
\nA metallic clicking or knocking from the PTO drive shaft at low RPM (especially during engagement) often indicates worn cross-bearing needle rollers, a spalled bearing race, or excessive play in the tractor or implement yoke spline engagement. Stop the tractor immediately and investigate before resuming operation – an ignored failed bearing will rapidly damage the yoke eye bores and potentially cause shaft separation. Remove the shaft, disassemble the affected U-joint, and inspect the cross journals for wear grooves, pitting, or rust staining on the needle rollers. Replace the complete cross kit, not just the seals, whenever internal wear is found.<\/p>\n

4. Telescoping Section Stiff or Seized – Will Not Extend
\nA stiff or locked telescoping section in the PTO shaft tube is almost always caused by insufficient lubrication leading to rust bonding between the inner and outer profile sections. If the shaft is only slightly stiff, thoroughly clean and re-grease the tube bore, then work the shaft through its range of motion repeatedly. For a heavily seized shaft, disassemble the guard system, soak the inner tube with penetrating oil over 24 hours, and attempt to free it with a soft mallet. If the profiles are corroded beyond safe use, replace the complete telescoping assembly – operating with a seized tube that does not collapse during a tractor slip or sudden stop creates a serious over-extension risk.<\/p>\n

5. PTO Shaft Guard Spinning \/ Getting Hot
\nIf the outer plastic PTO shaft cover is rotating with the inner shaft (instead of remaining stationary), the internal bearing ring has either seized or broken. A spinning guard creates an immediate entanglement hazard and will heat up rapidly from friction. Stop work immediately. Remove the guard assembly and inspect the plastic bearing ring – a seized ring will show friction burn marks, while a broken ring will have visible cracks or missing segments. Replace the bearing ring or the entire guard assembly. Do not operate the PTO shaft without a properly functioning, stationary guard cover under any circumstances.<\/p>\n

6. Yoke Will Not Engage or Lock Onto PTO Stub
\nIf the PTO shaft yoke will not slide fully onto the tractor or implement stub shaft, first verify the spline count matches (6-spline, 21-spline, or 20-spline as applicable). Burrs or surface rust on either the stub or yoke bore can prevent engagement – clean both with a fine wire brush and apply anti-seize. Check that the locking collar pull ring is fully retracted before pushing the yoke on. On 1,000 RPM 21-spline stubs, miscount between 20 and 21 teeth is a common ordering error – verify the spline profile before assuming a fitting problem. Contact CMN Transmission for a replacement yoke if the locking detent groove in the stub shaft is worn and no longer holds the collar snap ring.<\/p>\n

\"PTO<\/p>\n

Disc Mower PTO Shaft & Disc Mower Gearbox<\/h2>\n

On a Case IH center-pivot disc mower conditioner, the complete driveline system consists of two interdependent components: the disc mower PTO shaft (the external shaft linking tractor to implement) and the disc mower gearbox system (the internal gear train housed within the cutterbar assembly). The PTO driveline shaft for disc mower serves as the mechanical bridge between the tractor’s power take-off and the disc mower’s input gearbox. It absorbs the geometric misalignment between the two connection points (angular and plunge displacement as the implement moves on headlands, slopes, and rough ground) through its telescoping tube and dual U-joint configuration. Critically, it also acts as the torque management layer: the slip clutch assembly at the rear of the shaft limits peak torque delivery to protect the gearbox from rock strikes and slug-feeding events. In this way, the PTO shaft is the first line of mechanical defense for all downstream drivetrain components.<\/p>\n

Once rotational power from the agricultural PTO shaft enters the disc mower’s main input gearbox through the 1.375 in. 21-spline input stub, the gearbox system takes over all internal power distribution. The main header gearbox performs the first speed multiplication and direction change, splitting power to drive the modular cutterbar. On the Case IH DC5 series, each individual disc module has its own sealed bevel gearbox (modular design), eliminating the shared oil bath of older spur-gear cutterbars. Each module drives two counter-rotating discs at 2,250 RPM, achieving a knife tip speed of 168 mph (270 kph). A separate power branch from the main header gearbox drives the conditioning roll system at 640-760 RPM. Without a correctly specified and maintained PTO shaft for Case IH disc mower, none of this internal gear train can function reliably.<\/p>\n

Using an under-rated PTO drive shaft with an oversized gearbox, or a correctly rated shaft with a worn input gearbox, will result in premature failure of both components. The CAT6 55N shaft CMN Transmission supplies for this application is specified to match the input torque capacity of the DC5 series header gearbox at rated 1,000 RPM PTO speed. The slip clutch is factory-set to protect the internal bevel gears from peak torque spikes during normal field operation. For customers requiring gearbox replacement as part of a full driveline rebuild, CMN Transmission also supplies compatible disc mower header gearboxes and individual modular cutterbar gearbox units, allowing a one-supplier solution for the complete drivetrain system. Pairing a new custom PTO shaft with a rebuilt gearbox from the same supplier ensures torque ratings, spline standards, and certifications are aligned across the entire driveline.<\/p>\n

\"Disc<\/p>\n

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

CMN Transmission, headquartered in Ansan-si, Gyeonggi-do, Korea, stands as one of the world’s leading suppliers of industrial and agricultural power transmission solutions. Our product range spans PTO drive shafts, agricultural gearboxes, hydraulic cylinders, planetary gearboxes, worm gearboxes, bevel gears, chain sprockets, chains, gear racks, pulleys, taper bushes, couplings, and more. With a production base and over 10 shareholding cooperative factories, we maintain an inventory of more than 150,000 standard stock products, enabling rapid delivery to customers in over 53 countries across North America, Europe, South America, the Middle East, Africa, Southeast Asia, and 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 including CMM dimensional inspection. Our products carry both ISO 9001 and CE certifications, ensuring compliance with international safety and performance standards.<\/p>\n

Selain kualitas produk, kami menawarkan tingkat dukungan pelanggan yang seringkali tidak dapat ditandingi oleh merek OEM besar. Tim teknis kami menyediakan konsultasi pra-penjualan untuk mengkonfirmasi konfigurasi spline, panjang poros, dan spesifikasi kopling untuk kombinasi traktor dan implement Anda yang tepat. Kami menawarkan suku cadang poros PTO yang disesuaikan untuk aplikasi non-standar dan menyediakan gambar dimensi terperinci berdasarkan permintaan. Setelah penjualan, layanan purna jual terpadu kami memastikan bahwa komponen pengganti, panduan teknis, dan dukungan garansi selalu tersedia.<\/p>\n

When you choose CMN Transmission, you are choosing a partner committed to keeping your equipment running efficiently, reliably, and safely, season after season. Whether you need a single replacement PTO shaft for Case IH discbine DC105 through DC165, a bulk supply for a dealer network, or a custom OEM driveline for your own machinery production, CMN Transmission has the manufacturing capability, stock depth, and technical expertise to deliver.<\/p>\n

\"Peralatan\"Peralatan<\/p>\n

Pertanyaan yang Sering Diajukan (FAQ)<\/h2>\n

Q: What PTO shaft spline configuration does the Case IH DC105 use?<\/strong>
\nA: The Case IH DC105 is compatible with both 540 RPM and 1,000 RPM PTO inputs. For 540 RPM tractor configurations, the PTO shaft requires a 1.375 in. 6-spline tractor-end yoke. For 1,000 RPM configurations, a 1.375 in. 21-spline tractor-end yoke is required. The implement input stub on the DC105 disc mower is the standard 1.375 in. 21-spline interface on both driveline options. CMN Transmission supplies all three configurations: CAT6 55N with 1.375-21 yoke, 55N without yoke for 1.375-21 spline tractors, and 55N without yoke for 1.750-20 spline tractors. Contact us with your tractor model and PTO RPM to confirm the correct configuration for your application.<\/p>\n

Q: Is this a direct replacement for the Weasler PTO shaft on my Case IH discbine?<\/strong>
\nA: Yes. CMN Transmission’s CAT6 55N disc mower PTO shaft is designed as a functional replacement for Weasler-type and OEM drivelines on Case IH DC105, DC125, DC135, and DC165 models. The spline specifications, overall shaft length, and slip clutch torque ratings are matched to the same implement input and tractor output standards as the original equipment. Our replacement of Weasler PTO shaft offers the same spline profile, U-joint cross kit size, and clutch performance at a significantly more competitive price point through our factory-direct supply model. We recommend verifying your specific tractor spline type before ordering to ensure the correct tractor-end yoke configuration is supplied.<\/p>\n

Q: What is the correct PTO shaft length for Case IH DC125 \/ DC135 \/ DC165 models?<\/strong>
\nA: The typical overall assembled length for this application is approximately 36 inches (OAL), which is a relatively short PTO shaft length compared to many agricultural implements. This is a characteristic of center-pivot disc mower conditioners where the hitch geometry keeps the PTO connection relatively compact. Because the shaft is short, over-extension risk during transport on headlands is a real concern – it’s important to verify minimum tube overlap is maintained in all operating positions. CMN Transmission’s technical team can assist you in calculating the correct working length for your specific tractor-implement drawbar distance. Provide us with the tractor model, hitch type (2-pt swivel or drawbar), and operating height for a precise recommendation.<\/p>\n

Q: How does the slip clutch on this PTO shaft protect my disc mower gearbox?<\/strong>
\nA: The PTO shaft with slip clutch assembly on this unit incorporates a spring-loaded friction disc clutch pack that limits the maximum torque transmitted to the disc mower’s internal gearbox system. When the cutting discs strike a rock, root mass, or slug of dense material that generates a torque spike exceeding the clutch’s trip setting, the friction plates slip and allow the shaft to momentarily rotate free of the implement, dissipating the peak energy before it reaches the bevel gears and modular cutterbar gearboxes. Without a correctly functioning shear bolt PTO shaft alternative or slip clutch, a single severe rock strike can fracture gearbox housing castings, shear shaft keys, or snap drive flanges – repairs far more expensive than the shaft itself.<\/p>\n

Q: Can I order a custom PTO shaft length or non-standard yoke configuration?<\/strong>
\nA: Yes. CMN Transmission specializes in custom PTO shaft manufacturing for non-standard applications. If your tractor or implement combination requires a non-catalogue spline, an unusual shaft length, a different clutch trip torque setting, or a special yoke interface, our engineering team can review your requirements and produce a custom assembly. We support OEM customers building disc mowers and other agricultural machinery who need PTO shaft parts manufactured to their own technical drawings. Minimum order quantities for custom configurations apply – contact our sales team with your dimensional drawing or a detailed specification for a quotation. Dimensional drawings for standard configurations are available on request at no charge.<\/p>\n

Q: How often should I grease the PTO shaft u-joints on my disc mower driveline?<\/strong>
\nA: The PTO shaft universal joint cross bearings on this unit should be greased every 8-10 operating hours under normal cutting conditions using an EP2 grade lithium-complex grease. In wet, dusty, or high-debris environments such as silage cutting or roadside mowing, reduce the interval to every 4-6 hours. Apply grease until fresh grease purges from the cross bearing seals, which flushes out contamination and confirms full bearing coverage. Skipping the greasing interval is the most common cause of premature cross bearing failure. Always grease both U-joint crosses – there are two cross kits per shaft on a single universal joint set – and also apply grease to the telescoping tube inner profile every 50 operating hours.<\/p>\n

Q: What are the PTO shaft dimensions I need to specify when ordering?<\/strong>
\nA: When ordering PTO shaft sizes for a Case IH discbine replacement, the key PTO shaft dimensions to specify are: (1) tractor-end spline type and diameter – 1.375 in. 6-spline for 540 RPM or 1.375 in. 21-spline \/ 1.750 in. 20-spline for 1,000 RPM; (2) implement-end connection – standard 1.375 in. 21-spline for all DC models; (3) overall assembled length (OAL) in inches or millimetres, measured stub-to-stub at working position; (4) minimum and maximum collapsed\/extended working length; and (5) whether a slip clutch with specific torque rating is required. CMN Transmission’s technical team can assist with measurement guidance if your original shaft is not available for reference.<\/p>\n

Q: What is the difference between a 540 RPM PTO shaft and a 1000 RPM PTO shaft for disc mowers?<\/strong>
\nA: A 540 PTO shaft operates at 540 RPM input speed and uses a 1.375 in. 6-spline interface, while a 1000 PTO shaft runs at 1,000 RPM and uses a 1.375 in. 21-spline or 1.750 in. 20-spline interface. For Case IH disc mowers, the DC105 supports both speeds, while the DC125, DC135, and DC165 are designed exclusively for 1,000 RPM operation. Higher RPM operation allows the disc mower’s gearbox to achieve the required 2,250 RPM cutterbar disc speed with a lower internal gear ratio, which generally means smoother operation and less shock loading through the driveline. Mixing a 540 RPM shaft with a 1,000 RPM-only machine will result in severely under-speed operation and may damage the conditioning roll drive system.<\/p>\n

Q: How do I check if my PTO shaft yoke or U-joint needs replacing?<\/strong>
\nA: To assess whether your tractor PTO shafts yoke or U-joint assembly requires replacement, perform the following checks with the shaft disconnected and at rest. Grip each yoke and attempt to move it laterally relative to the cross journal – any perceptible looseness or “clunk” indicates worn cross bearing needle rollers. Rotate each yoke through its articulation range by hand and feel for roughness, gritty resistance, or tight spots that would indicate corrosion or pitting in the bearing races. Inspect the spline bore of each yoke for fretting wear (reddish oxide residue) and measure bore diameter if you have the tools. Any yoke with visible crack initiation, bore oval deformation, or a locking mechanism that no longer holds securely should be replaced immediately before returning the shaft to service.<\/p>\n

\"PTO<\/p>\n

Ulasan Pelanggan<\/h2>\n

Marcus Hollingsworth, Manajer Pertanian, Amerika Serikat<\/strong>
\n“Been running a DC125 on our 90-acre cattle operation in Iowa for a few years now, and we went through the original Weasler unit after about three seasons of heavy alfalfa cutting. Ordered this CAT6 replacement from CMN Transmission after a recommendation from another operator in the area. Fit was spot-on – slid straight onto the 1.375 in. 21-spline with no shimming or adapters. We’re about 200 hours in on the new shaft this season cutting some pretty dense grass and alfalfa mix, and it hasn’t given us any trouble. Guard tube feels solid compared to some cheaper aftermarket stuff I’ve tried. The slip clutch fired twice on us when we hit some rough ground near a creek bank and protected the cutterbar both times – that’s exactly what it’s supposed to do. Would order again without hesitation.”<\/p>\n

Klaus Zimmermann, Dairy Farm Operator, Germany<\/strong>
\n“We operate a DC135 on our dairy farm in Bavaria and ordered a CAT6 55N PTO shaft from CMN after the original PTO shaft had developed excessive play in the cross joints. I was somewhat skeptical about the price\u2014it is significantly cheaper than Bondioli and Pavesi\u2014but the quality has convinced me. The forged components and cross-joint bearings appear professionally manufactured. After one season of grass and clover cutting on approximately 85 hectares, the shaft runs absolutely smoothly and without any play. The delivery time was 9 days to Germany, which I consider very good for a spare part that is usually urgently needed.”<\/p>\n

Darren Whitfield, Hay Contractor, Australia<\/strong>
\n“We’re a large hay contractor in Victoria running three DC165 machines across the season. Downtime is money for us, so when a PTO shaft fails at peak hay season it’s a real problem. I had CMN Transmission’s shaft on one of our machines for the past two cutting seasons – ryegrass, clover, and some pretty heavy pasture work totalling maybe 450 hours across both years. Cross bearings are still good with regular greasing, the telescoping section moves smoothly, and the plastic guard hasn’t cracked even in the Australian summer heat. Price was very competitive compared to what the local dealer wanted for an OEM part. Will be buying two more for the other machines before next season.”<\/p>\n

Etienne Beausoleil, Mixed Farm Owner, Canada<\/strong>
\n“Ordered a 1.750-20 tractor spline configuration for our DC105 which runs off a John Deere 6R with a wide-spline PTO. CMN’s technical team confirmed the spec before shipping, which I really appreciated – it saved me the hassle of a wrong-fit return. Arrived in Quebec within about 12 days which is pretty good for an overseas order. Install was straightforward, the yoke locked onto both ends properly. Ran it through our first cutting of timothy and orchard grass mix last month with no issues. Only reason for 4 stars rather than 5 is that the grease nipple on one of the U-joint crosses was slightly cross-threaded from the factory, needed a quick clean-up before I could get a grease gun on it. Everything else was great.”<\/p>\n

Pierre-Antoine Moreau, Equine Hay Producer, France<\/strong>
\n“I manage a 200-hectare farm in Brittany with a DC135 that I primarily use for the production of high-quality hay intended for equine livestock. I ordered this CAT6 PTO shaft to replace the original shaft, which had developed play in the cross joints after four seasons. Installation was straightforward and the shaft operates without vibration. What convinced me was the manufacturing quality of the torque limiter\u2014one can tell that the springs and plates are well-dimensioned. CMN\u2019s customer service responded to my technical questions in less than two hours, which is truly appreciated when one is in the middle of the haymaking season.”<\/p>\n

Hamish Mackenzie, Sheep & Cropping Farm, New Zealand<\/strong>
\n“Running a DC125 on our Canterbury Plains property – mostly ryegrass and clover, cutting for wrapped baleage as well as dry hay. We had the original shaft fail at the overrunning clutch after about five seasons, which is pretty fair wear given how hard we push these machines during a short South Island hay window. Replaced it with CMN’s CAT6 unit, 1.375 in. 21-spline on both ends. Arrived in 11 days which was well within our repair window. The build quality looks comparable to what came off the machine originally. Three cuttings in on the new shaft with no concerns. Really good value compared to pricing through the local CNH dealer.”<\/p>\n

James Alderton, Agricultural Dealer, United Kingdom<\/strong>
\n“We’re a machinery dealer in the East Midlands and we’ve been recommending CMN Transmission PTO shafts to our DC165 customers as a cost-effective alternative to factory parts for about two years now. Customer feedback has been consistently positive – no fitment issues, the spline dimensions are accurate, and the slip clutch torque values are correctly factory-set out of the box. We had one customer query about the guard chain attachment point being slightly different from the OEM layout, which CMN sorted with a written response and diagram within 24 hours. Pricing is genuinely competitive versus Weasler or Bondioli at dealer level, which helps us offer customers a realistic budget option without compromising on quality.”<\/p>\n

Rodrigo Salvatierra, Agricultural Contractor, Argentina<\/strong>
\n“I work with a DC105 in our agricultural services company in the province of Buenos Aires, primarily cutting pastures and producing alfalfa hay. The original PTO shaft broke at the cross joint after two seasons of intensive work. I installed the CMN Transmission unit at the beginning of this season with the 1.375-inch 6-spline configuration for a 540 RPM PTO. It has already accumulated about 180 hours of operation without any issues. The quality feels good, the plastic guards are durable and the torque limiter functioned correctly when we struck a large stone in the paddock. The price was very attractive compared to local options.”<\/p>\n

Carlos Eduardo Ritter, Dairy Producer, Brazil<\/strong>
\n“I am a dairy producer in Rio Grande do Sul and use a DC135 for silage and ryegrass hay production. I purchased the CAT6 cardan shaft from CMN Transmission to replace the original one that had developed play in the cross joints. The ordering process was easy and the customer service was excellent. They quickly responded to my questions about the spline configuration via email. The product arrived in good condition with proper packaging and fitted perfectly on the implement. I have already completed three cuts of ryegrass and two cuts of oats with this shaft without any problems. I recommend it to anyone seeking a quality option at a fair price to replace the cardan shaft on the DC3 or DC5. The plastic protection arrived complete and without any cracks.”<\/p>","protected":false},"excerpt":{"rendered":"

CMN Transmission’s heavy-duty PTO shaft for Case IH discbine DC105, DC125, DC135, and DC165 disc mower conditioners delivers CAT6-rated power transfer built on a 55N torque-rated driveline series. This disc mower PTO shaft is engineered to match 1.375-in. 21-spline or 6-spline tractor outputs at both 540 RPM and 1,000 RPM, featuring precision-forged yokes, sealed cross-bearing u-joints, a full-coverage PTO shaft guard tube, and a factory-set torque-limiting slip clutch assembly to protect your cutterbar from shock overloads.<\/p>","protected":false},"featured_media":7112,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[222,262],"product_tag":[232,228,242,234,264,233,226,229,263,265,235,243,225,230,231,224],"class_list":{"0":"post-7120","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pto-shafts","7":"product_cat-pto-shaft-for-discbine","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\/id\/wp-json\/wp\/v2\/product\/7120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/id\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/id\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/id\/wp-json\/wp\/v2\/comments?post=7120"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/id\/wp-json\/wp\/v2\/media\/7112"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/id\/wp-json\/wp\/v2\/media?parent=7120"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/id\/wp-json\/wp\/v2\/product_brand?post=7120"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/id\/wp-json\/wp\/v2\/product_cat?post=7120"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/id\/wp-json\/wp\/v2\/product_tag?post=7120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}