The Chelsea 871XHFJY-D3RY is a 10-bolt PowerShift (hydraulic) Power Take-Off from the Chelsea 871 Series, designed for Allison transmissions. The 871 Series features a compact housing to reduce clearance issues, a ductile iron bearing cap rated 117% stronger than its gray iron predecessor, and an o-ring sealing configuration between the housing and bearing cap for improved clamp load and resistance to engine vibration. The series delivers continuous torque capacity up to 670 lb-ft (908 Nm), with nine speed ratios and thirteen output options available across the line. The 871 Series supports continuous-duty operation without derating and is the only Chelsea PTO family to offer Wet Spline, SmartStart, and Quiet Gear options. Part number 871XHFJY-D3RY is sold by Pro Gear and Transmission.
Features
10-bolt mounting configuration for Allison transmission applications
PowerShift (hydraulic) shift type for in-cab engagement
Continuous torque capacity up to 670 lb-ft (908 Nm) series rating
Ductile iron bearing cap, 117% stronger than gray iron predecessor
O-ring seal between housing and bearing cap reduces vibration effects and improves clamp load
Compact housing design minimizes clearance issues during installation
Tech Specs
- Series: Chelsea 871 Series
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque (Series): 670 lb-ft / 908 Nm
- Shaft Power (Series): 64 HP at 500 RPM / 128 HP at 1000 RPM
- Continuous Operation: Yes
- Output Options (Series): SAE B Pump Flange, SAE C Pump Flange, SAE B (7/8" - 13T) Pump Spline, SAE BB (1" - 15T) Pump Spline, SAE C (1-1/4" - 14T) Pump Spline, DIN 5462 Pump Spline, 1410 Series Companion Flange, DIN 120 Flange, DIN 100 Flange
- Speed Ratios Available (Series): Nine
- Lubricant: Pressure Lube / Wet Spline
Additional Information
The Chelsea 871 Series replaces the earlier 870 Series PTO line. Improvements over the 870 Series include the upgraded ductile iron bearing cap and the o-ring sealing configuration. The 871 Series is the only Chelsea PTO to offer all three of Chelsea's premium options in a single platform: Wet Spline (extends PTO and pump shaft life), SmartStart (reduces shock load at start-up), and Quiet Gear input. Electronic Overspeed Control (EOC) is also available to protect driven equipment. Typical market applications for the 871 Series include fire and rescue apparatus, truck cranes, pumper cleaners, and refuse vehicles.Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
