The Chelsea 871XEFJP-95RY is a 10-bolt hydraulic PowerShift Power Take-Off from the 871 Series, designed for Allison transmissions. The 871 Series carries a continuous torque rating of up to 670 lb-ft (908 Nm) with no derating required for continuous-duty operation. Its compact housing addresses clearance constraints common in vocational truck installations, and multiple assembly arrangements support a range of mounting configurations. The 871 Series features a ductile iron bearing cap rated 117% stronger than the gray iron cap used in the predecessor 870 Series, along with an o-ring sealing configuration between the housing and bearing cap to improve clamp load and reduce vibration-related wear. Nine speed ratios and thirteen output options are available across the series. Markets served include fire and rescue, refuse, truck cranes, and pumper/cleaner equipment. Pro Gear and Transmission carries this genuine Chelsea unit.
Features
10-bolt mounting configuration for Allison transmission applications
Hydraulic PowerShift (PowerShift) shift type for on-demand engagement
Continuous torque capacity up to 670 lb-ft (908 Nm) - no derating required for continuous duty
Ductile iron bearing cap, 117% stronger than the gray iron predecessor used in the 870 Series
O-ring sealing between housing and bearing cap improves clamp load and resists vibrational effects
Wet Spline, SmartStart, and Quiet Gear options available within the 871 Series
Tech Specs
- Series: Chelsea 871 Series
- Shift Type: PowerShift (Hydraulic)
- Mounting: 10-Bolt
- Transmission Compatibility: Allison
- Continuous Torque (Series): 670 lb-ft / 908 Nm
- Shaft Power: 64 HP at 500 RPM / 128 HP at 1000 RPM
- Continuous Operation: Yes
- Output Options (Series): SAE B Pump Flange, SAE C Pump Flange, 1410 Series Companion Flange, DIN flanges
- Output Shaft Options (Series): SAE B (7/8 in. - 13T), SAE BB (1 in. - 15T), SAE C (1-1/4 in. - 14T) pump spline and others
- Speed Ratios Available (Series): Nine
- Lubricant: Pressure Lube / Wet Spline
Additional Information
The Chelsea 871 Series replaces the earlier 870 Series PTO. Improvements over the 870 Series include the ductile iron bearing cap and the updated o-ring sealing system. The 871 Series is the only Chelsea PTO to offer all three of Chelsea's high-demand options in a single platform: Wet Spline, SmartStart, and Quiet Gear. Electronic Overspeed Control (EOC) is available to protect driven equipment. Typical market applications include fire and rescue apparatus, refuse vehicles, truck-mounted cranes, and pumper/cleaner trucks.Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
