The Chelsea 877XAFJP-M5RS or 877XAFJPM5RS is a ten-bolt, constant mesh power take-off assembly designed for Allison transmissions and select other applications. It delivers a continuous torque rating of 670 lb-ft (908 Nm) and an intermittent torque rating above 501 lb-ft, with shaft power reaching 128 HP at 1,000 RPM. The output shaft is a 1-1/2" 10-spline configuration with a 1410 companion flange. Wet Spline Technology helps extend service life at the PTO-to-pump interface, while the compact housing and rotatable output flanges simplify installation in tight clearance environments. Call us to confirm proper fit for your specific transmission and application.
Features
10-bolt mounting configuration for Allison and other compatible transmissions
Constant mesh shift type for smooth, continuous engagement
670 lb-ft (908 Nm) continuous torque rating; 501+ lb-ft intermittent torque
Output shaft: 1-1/2" 10-tooth spline with 1410 companion flange
Shaft power: 64 HP at 500 RPM, 128 HP at 1,000 RPM
Wet Spline Technology helps extend PTO and pump shaft service life
Compact housing with rotatable output flanges to maximize installation clearance
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: Constant Mesh
- Transmission Compatibility: Allison and select other transmissions
- Output Shaft Type: 1-1/2" 10-tooth spline with 1410 companion flange
- Continuous Torque: 670 lb-ft (908 Nm) - check application pages for actual torque ratings
- Intermittent Torque: 501+ lb-ft (501+ Nm)
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 64 HP (48 kW) at 500 RPM; 128 HP (95 kW) at 1,000 RPM
Additional Information
