The Chelsea 877 Series Power Take-Off, part number 877XBFJP-M5AC or 877XBFJPM5AC, is a constant-mesh, 10-bolt PTO designed for Allison transmissions. The output shaft is a 1-1/2" 10-tooth spline with a 1410 companion flange. Continuous torque is rated up to 670 lb-ft (908 Nm) - verify actual torque for your specific application. Shaft power reaches 128 HP (95 kW) at 1,000 RPM and 64 HP (48 kW) at 500 RPM. Intermittent torque is rated at 501+ lb-ft. The compact housing reduces installation clearance issues, and rotatable output flanges give additional positioning flexibility. Wet Spline Technology is integrated to extend both PTO and pump shaft service life. Typical applications include refuse trucks, snow and ice equipment, aerial units, and fire and rescue vehicles. Call us to confirm proper fit for your application.
Features
10-bolt mounting for Allison transmissions
Constant-mesh shift type, suited for load-sense pump applications that run continuously
1-1/2" 10-tooth spline output with 1410 companion flange
Continuous torque up to 670 lb-ft (908 Nm); 128 HP (95 kW) at 1,000 RPM shaft power
Compact housing height to reduce installation clearance conflicts
Wet Spline Technology to extend PTO and pump shaft service life
Tech Specs
- Mounting Type: 10-Bolt
- Transmission Manufacturer: Allison
- Shift Type: Constant Mesh
- Output Shaft Type: 1-1/2" 10-Tooth Spline with 1410 Companion Flange
- Continuous Torque: 670 lb-ft / 908 Nm (verify actual rating on application pages)
- 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
Parts Manual: Chelsea 877 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
