The Chelsea 871 Series Power Take-Off Assembly, part number 871XCFJW-D3RY or 871XCFJWD3RY, is a 10-bolt hydraulic PowerShift PTO designed for Allison transmissions. The 871 Series delivers continuous torque capacity up to 670 lb-ft (908 N-m) with no derating required for continuous-duty applications. Its compact housing minimizes clearance issues during installation. Nine speed ratios and thirteen output options cover a broad range of hydraulic and driveline setups. The ductile iron bearing cap is 117% stronger than gray iron, and an O-ring sealing configuration between the housing and bearing cap improves clamp load while reducing vibration-related wear. Optional Wet Spline, SmartStart, and Quiet Gear configurations are available within the 871 Series. The 871 Series replaces the earlier Chelsea 870 Series PTO. Call us to confirm the proper configuration for your application.
Features
10-bolt hydraulic PowerShift mounting for Allison transmissions
Continuous torque rating up to 670 lb-ft (908 N-m), no derating required for continuous duty
Ductile iron bearing cap, 117% stronger than gray iron
O-ring sealing between housing and bearing cap reduces vibration effects and improves clamp load
Nine speed ratios and thirteen output options
Compatible with Wet Spline, SmartStart, and Quiet Gear options within the 871 Series
Electronic Overspeed Control (EOC) available to protect driven equipment
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque (Series Rating): 670 lb-ft / 908 N-m
- Speed Ratios: Nine
- Output Options: Thirteen
- Output Shaft Types Available: SAE B (7/8 in. - 13T) Pump Spline, SAE BB (1 in. - 15T) Pump Spline, SAE C (1-1/4 in. - 14T) Pump Spline, DIN 5462 Pump Spline, 1410 Series Companion Flange, DIN 120 Flange, DIN 100 Flange
- Output Flange Types Available: SAE B Pump Flange, SAE C Pump Flange
- Shaft Power (Series): 64 HP at 500 RPM / 128 HP at 1000 RPM
- Continuous Operation: Yes
- Lubricant: Pressure Lube and Wet Spline options available
Additional Information
Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
