Trục PTO cho máy ép kiện tròn
A PTO Shaft for Round Baler is a core agricultural power transmission component specially designed to connect tractors and round balers. It transmits stable rotational torque from tractor PTO output to the baler’s internal pickup, compression and wrapping mechanisms, enabling continuous hay and straw baling work. Standardized telescopic structure and overload protection design effectively avoid driveline damage caused by sudden load surges during baling. Our full range of PTO Shaft for Round Baler covers different torque ratings, spline specifications and telescopic lengths, perfectly matching light, medium and heavy-duty round baler equipment for farm harvesting operations.
OEM / ODM
Main Components of PTO Shaft for Round Baler
Tractor & Implement Yokes + Universal Joints
Two sets of cross-type universal joints with forged yokes at both ends of the PTO Shaft for Round Baler. It adapts to the angle changes between tractor and baler during turning and lifting, ensuring stable power transfer without stuck rotation.
Telescopic Inner & Outer Tubes
Splined matching of inner and outer tubes forms the adjustable-length body of the PTO Shaft for a round baler. It automatically stretches or shortens when the baler moves back and forth, preventing shaft bending and breakage.
Overload Safety Clutch
Core protection part of PTO Shaft for Round Baler. When the baler is blocked by thick hay or foreign objects, the clutch slips to cut off torque transmission, protecting tractor PTO and baler gearbox from severe damage.
Rotating Safety Guard
Full wrap-around plastic protective cover matched for each PTO Shaft for Round Baler, isolating high-speed rotating parts to eliminate field operation safety hazards, complying with agricultural machinery safety standards.
- 1. Confirm tractor PTO speed & matched horsepower
Most round balers adopt 540RPM standard; match the rated power of PTO Shaft for Round Baler according to your tractor PTO horsepower to avoid insufficient torque or overloading damage. - 2. Verify spline specification of tractor and baler interface
Common 1.375-6 spline is the mainstream standard for PTO Shaft for Round Baler. Confirm the spline size of both tractor output and baler input yoke to ensure perfect docking without loose transmission. - 3. Measure required telescopic working length
Measure the maximum and minimum distance between tractor PTO and baler input during lifting/turning, select PTO Shaft for Round Baler with proper adjustable telescopic range to prevent tube separation or extrusion collision. - 4. Match torque grade based on baling materials
Light hay selects low-torque PTO Shaft for Round Baler; heavy silage, wet straw or high-density baling needs medium/heavy-duty high-torque model with reinforced clutch protection. - 5. Check field environment adaptability
Dusty, humid farm areas need PTO Shaft for Round Baler with thickened anti-rust coating and fully sealed universal joint bearings to extend service life under harsh working conditions.
How to Choose the Right PTO Shaft for Round Baler
