The Chelsea 871XBQTP-D5SC is a 10-bolt hydraulic PowerShift Power Take-Off from the Chelsea 871 Series, designed for Allison transmissions. The 871 Series features a compact housing that reduces clearance issues, a ductile iron bearing cap rated 117% stronger than the gray iron predecessor, and an o-ring sealing configuration between the housing and bearing cap to improve clamp load and resist vibrational effects. The series supports continuous-duty operation with torque capacity up to 670 lb-ft (908 Nm). Output options span SAE B, SAE BB, and SAE C pump spline configurations, among others. The 871 Series replaces the earlier Chelsea 870 Series. Sold by Pro Gear and Transmission.
Features
10-bolt mounting configuration for Allison transmissions
Hydraulic PowerShift (PowerShift) engagement
Continuous-duty torque rating up to 670 lb-ft (908 Nm)
Ductile iron bearing cap, 117% stronger than gray iron
O-ring sealing between housing and bearing cap for improved clamp load
Compact housing design to minimize clearance issues
Tech Specs
- Series: Chelsea 871 Series
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque: 670 lb-ft (908 Nm)
- Shaft Power: 64 HP at 500 RPM / 128 HP at 1000 RPM
- Continuous Operation: Yes
- Bearing Cap Material: Ductile Iron
- Output Types Available: SAE B Pump Flange, SAE C Pump Flange
- Output Shaft Types Available: SAE B (7/8"-13T), SAE BB (1"-15T), SAE C (1-1/4"-14T) Pump Spline; DIN 5462 Pump Spline; 1410 Series Companion Flange; DIN 120 Flange; DIN 100 Flange
- Lubrication: Pressure Lube / Wet Spline
- Replaces: Chelsea 870 Series
Additional Information
The Chelsea 871 Series is noted as the only Chelsea PTO to offer all three of Chelsea's Wet Spline, SmartStart, and Quiet Gear options within a single series. Nine speed ratios and thirteen output options are available across the 871 Series line. Typical markets include fire and rescue, truck cranes, pumper cleaner, and refuse applications. The 871 Series is supported by the Chelsea 267/281/288/871/878 Series Owner's Manual and 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.
