The Chelsea 871 Series Power Take-Off, part number 871XDFJP-D5RS or 871XDFJPD5RS, is a 10-bolt hydraulic PowerShift PTO designed for Allison transmissions. The compact housing keeps installation height low to reduce clearance conflicts, and multiple assembly arrangements expand mounting options. The 871 Series supports continuous-duty operation at torque ratings up to 670 lb-ft (908 N-m), with nine available speed ratios and thirteen output configurations. A ductile iron bearing cap rated 117% stronger than gray iron, combined with an O-ring sealing configuration between the housing and bearing cap, addresses the vibrational loads common in modern engine designs. The wet spline pump flange protects both the PTO output and pump shaft during operation. Call us to confirm proper fit for your application.
The Chelsea 871 Series replaces the earlier 870 Series PTO. Applicable Parker documentation includes the 267/281/288/871/878 Series Owner's Manual and the 871 Series Parts List (HY25-2871-M1/US). Markets served by this series include fire and rescue, truck cranes, pumper cleaner, and refuse applications.
Features
10-bolt hydraulic PowerShift mounting for Allison transmissions
Ductile iron bearing cap - 117% stronger than gray iron
O-ring seal between housing and bearing cap reduces vibrational effects and improves clamp load
Nine speed ratios and thirteen output options
Wet spline pump flange extends PTO and pump shaft service life
Optional SmartStart (reduces start-up shock load) and Electronic Overspeed Control (EOC) available
Quiet Gear input option available
Tech Specs
- Mounting: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque: 670 lb-ft / 908 N-m (verify actual rating on application pages)
- Shaft Power: 64 HP at 500 RPM / 128 HP at 1,000 RPM
- Speed Ratios: Nine
- Output Options: Thirteen
- Lubricant: Pressure Lube (P) and Wet Spline (W)
- Continuous Operation: Yes
Additional Information
The Chelsea 871 Series replaces the earlier 870 Series PTO. Applicable Parker documentation includes the 267/281/288/871/878 Series Owner's Manual and the 871 Series Parts List (HY25-2871-M1/US). Markets served by this series include fire and rescue, truck cranes, pumper cleaner, and refuse applications.
Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
