877XDFJP-M5AC Chelsea PTO

The Chelsea 877 Series Power Take-Off, part number 877XDFJP-M5AC or 877XDFJPM5AC, is a 10-bolt, constant mesh PTO designed for Allison transmissions running demanding, continuous-duty applications. The output shaft is a 1-1/2" 10-spline configuration with a 1410 companion flange. Continuous torque reaches 670 lb-ft (check application pages for actual torque ratings for your specific install), with intermittent torque rated at 501+ lb-ft. Shaft power is 64 HP at 500 RPM and 128 HP at 1,000 RPM. The compact housing keeps clearance issues manageable, rotatable output flanges add installation flexibility, and Wet Spline Technology helps extend PTO and pump shaft life. Common applications in the 877 Series include refuse trucks, aerial units, snow and ice equipment, and fire and rescue trucks. Call us to confirm proper fit for your application.

Features

10-bolt mounting for Allison transmission applications
Constant mesh shift type suits continuous-duty, load-sense pump setups
Output shaft: 1-1/2" 10-spline with 1410 companion flange
Continuous torque: 670 lb-ft (verify against application pages for your install)
Shaft power: 64 HP at 500 RPM, 128 HP at 1,000 RPM
Wet Spline Technology and rotatable output flanges for extended service life and installation flexibility

Tech Specs

• Mounting Type: 10-Bolt
• Transmission Manufacturer: Allison
• Shift Type: Constant Mesh
• Output Shaft Type: 1-1/2" 10-Spline with 1410 Companion Flange
• Output Power: 56+ HP, 51+ kW
• Shaft Power: 64 HP (500 RPM), 128 HP (1000 RPM), 48 kW (500 RPM), 95 kW (1000 RPM)
• Intermittent Torque: 501+ lb-ft, 501+ Nm
• Continuous Torque: 670 lb-ft, 908 Nm (Check Application Pages for Actual Torque Ratings)

Additional Information

Parts manual and diagrams: Chelsea 877 Series PTO parts list with prices