877XDFJP-M5RY Chelsea PTO

The Chelsea 877 Series Power Take-Off, part number 877XDFJP-M5RY or 877XDFJPM5RY, is a constant-mesh, 10-bolt unit built for Allison transmissions. The output shaft is a 1-1/2" 10-tooth spline with a 1410 companion flange. Continuous torque is rated at 670 lb-ft (check application pages for your specific installation rating). Shaft power reaches 128 HP at 1,000 RPM and 64 HP at 500 RPM. The compact housing reduces clearance conflicts, and rotatable output flanges give installers additional positioning options. Wet Spline Technology is integrated to extend PTO and pump shaft service life. Typical applications include refuse trucks, aerial units, snow and ice equipment, and fire and rescue apparatus. Call us to confirm proper fit for your specific transmission and chassis.

Features

Constant-mesh shift type, no disengagement required for load-sense pump applications
10-bolt mounting for Allison transmissions
Output: 1-1/2" 10-tooth spline with 1410 companion flange
Continuous torque: 670 lb-ft (verify on application pages for exact installation rating)
Shaft power: 64 HP at 500 RPM, 128 HP at 1,000 RPM
Wet Spline Technology extends PTO and pump shaft service life
Compact housing height and rotatable output flanges reduce installation clearance conflicts

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
• Output Power: 56+ HP, 51+ kW
• Shaft Power: 64 HP (500 RPM), 128 HP (1,000 RPM), 48 kW (500 RPM), 95 kW (1,000 RPM)
• Intermittent Torque: 501+ lb-ft, 501+ Nm
• Continuous Torque: 670 lb-ft, 908 Nm (Check Application Pages for Actual Torque Ratings)

Additional Information