The Chelsea 877 Series Power Take-Off, part number 877XBFJP-M5XV or 877XBFJPM5XV, is a 10-bolt constant-mesh PTO designed for Allison transmissions in high-demand applications. The output shaft is a 1-1/2" 10-tooth spline with a 1410 companion flange. Continuous torque rating reaches 670 lb-ft (908 Nm); verify the actual rating for your specific installation on the application pages. Shaft power is 64 HP at 500 RPM and 128 HP at 1000 RPM. The compact housing is designed to reduce clearance issues, and rotatable output flanges give installers flexibility. Pressure lubrication is integrated into the housing and ships with the unit. This series suits refuse, aerial, snow and ice, fire and rescue, and defense truck applications. Call us to confirm proper fit for your application.
Features
10-bolt mounting for Allison transmissions
Constant-mesh shift type, rated for continuous operation without de-rating
Continuous torque up to 670 lb-ft (908 Nm); check application pages for verified rating
1-1/2" 10-tooth spline output shaft with 1410 series companion flange
Shaft power: 64 HP at 500 RPM, 128 HP at 1000 RPM
Compact housing with rotatable output flanges and Wet Spline Technology for extended PTO and pump shaft 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 Series 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 (500 RPM), 128 HP (1000 RPM) / 48 kW (500 RPM), 95 kW (1000 RPM)
- Continuous Operation: Yes
Additional Information
Parts Manual: Chelsea 877 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
