The Chelsea 871XFQTP-D3RY is a 10-bolt PowerShift (hydraulic shift) Power Take-Off from the Chelsea 871 Series, designed for Allison transmission applications. 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 is built to reduce clearance conflicts in tight installations, and the ductile iron bearing cap is 117% stronger than the gray iron cap used in the predecessor 870 Series. An o-ring sealing configuration between the housing and bearing cap improves clamp load and helps manage vibration from modern engine designs. The 871 Series supports nine speed ratios and thirteen output options, including SAE B, SAE BB, and SAE C pump spline configurations. Shaft power output reaches 64 HP at 500 RPM and 128 HP at 1,000 RPM. Pro Gear and Transmission carries this genuine Chelsea part for fire and rescue, truck crane, pumper cleaner, and refuse truck applications.
Features
10-bolt PowerShift (hydraulic) mounting configuration for Allison transmissions
Continuous torque rating up to 670 lb-ft (908 Nm) with no continuous-duty derating required
Ductile iron bearing cap rated 117% stronger than the gray iron cap in the predecessor 870 Series
O-ring seal between housing and bearing cap improves clamp load and reduces vibration effects
Nine speed ratios and thirteen output options including SAE B, SAE BB, and SAE C pump spline
Shaft power: 64 HP at 500 RPM / 128 HP at 1,000 RPM
Tech Specs
- Shift Type: PowerShift (Hydraulic)
- Mounting: 10-Bolt
- Transmission Compatibility: Allison
- Continuous Torque: 670 lb-ft (908 Nm)
- Shaft Power: 64 HP at 500 RPM; 128 HP at 1,000 RPM
- Output Shaft Options: SAE B (7/8" - 13T) Pump Spline, SAE BB (1" - 15T) Pump Spline, SAE C (1-1/4" - 14T) Pump Spline
- Output Flange Options: SAE B Pump Flange, SAE C Pump Flange, 1410 Series Companion Flange, DIN 120 Flange, DIN 100 Flange, DIN 5462 Pump Spline
- Speed Ratios: Nine
- Total Output Options: Thirteen
- Continuous Operation: Yes
- Lubricant: Pressure Lube (P), Wet Spline (W)
- Housing: Compact ductile iron bearing cap design
Additional Information
The 871 Series replaces the Chelsea 870 Series PTO. Upgrades include the ductile iron bearing cap and improved o-ring sealing configuration. The 871 Series is the only Chelsea PTO to offer all three of Chelsea's specialty options: Wet Spline, SmartStart, and Quiet Gear. Electronic Overspeed Control (EOC) is available to protect driven equipment. Typical markets include fire and rescue, truck cranes, pumper cleaner trucks, and refuse vehicles. Parker Chelsea documents for this series include the 267/281/288/871/878 Series Owner's Manual and the 871 Series Parts List (HY25-2871-M1/US).Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
