The Chelsea 877 Series Power Take-Off, part number 877XBFJW-M3RZ or 877XBFJWM3RZ, is a 10-bolt constant mesh PTO designed for Allison transmission applications with demanding, continuous-duty workloads. The output shaft is a 1-1/2" 10-spline configuration with a 1410 companion flange. Continuous torque rating reaches 670 lb-ft (908 Nm); intermittent torque is rated at 501+ lb-ft. Shaft power is 64 HP at 500 RPM and 128 HP at 1000 RPM. The compact housing reduces clearance conflicts, and rotatable output flanges allow installation flexibility. Wet Spline Technology is incorporated to extend service life of both the PTO and the connected pump shaft. Typical applications include refuse trucks, aerial units, snow and ice equipment, and fire and rescue vehicles. Call us to confirm proper fit for your application.
Features
10-bolt mounting for Allison transmission applications
Constant mesh shift type for continuous-duty use without disengagement
Continuous torque rating: 670 lb-ft (908 Nm); intermittent torque: 501+ lb-ft
Output: 1-1/2" 10-spline shaft with 1410 companion flange
Shaft power: 64 HP at 500 RPM, 128 HP at 1000 RPM
Wet Spline Technology and rotatable output flanges for extended life and installation flexibility
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: Constant Mesh
- Transmission Manufacturer: Allison
- Output Shaft Type: 1-1/2" 10-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 at 500 RPM, 128 HP at 1000 RPM (48 kW at 500 RPM, 95 kW at 1000 RPM)
Additional Information
Parts Manual: Chelsea 877 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
