The Chelsea 877 Series Power Take-Off, part number 877XAKVP-M5RF or 877XAKVPM5RF, is a 10-bolt constant mesh PTO engineered for Allison transmissions and high-demand continuous-duty applications. The output shaft is a 1-1/2" 10-tooth spline with a 1410 companion flange. Continuous torque is rated at 670 lb-ft (908 Nm) -- check application pages for actual ratings specific to your installation. Shaft power measures 64 HP at 500 RPM and 128 HP at 1,000 RPM. The compact housing reduces clearance issues, and rotatable output flanges allow flexible mounting orientation. Wet Spline Technology is integrated to extend PTO and pump shaft service life. Common markets include refuse, aerial, snow and ice, fire and rescue, and defense applications. Call us to confirm proper fit for your application.
Features
10-bolt mounting for Allison transmission applications
Constant mesh shift type, suited for continuous-duty and load-sense pump setups
Continuous torque up to 670 lb-ft (908 Nm); check application pages for actual ratings
Output shaft: 1-1/2" 10-tooth spline with 1410 companion flange
Shaft power: 64 HP at 500 RPM, 128 HP at 1,000 RPM
Rotatable output flanges and Wet Spline Technology for installation flexibility and extended 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 Companion Flange
- Intermittent Torque: 501+ lb-ft (501+ Nm)
- Continuous Torque: 670 lb-ft (908 Nm) -- check application pages for actual torque ratings
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 64 HP at 500 RPM; 128 HP at 1,000 RPM (48 kW at 500 RPM; 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.
