The Chelsea 871XDQTW-D5RY or 871XDQTWD5RY is a 10-bolt PowerShift (hydraulic shift) Power Take-Off from Chelsea's 871 Series, designed for Allison transmissions. The series delivers continuous torque capacity up to 670 lb-ft (908 N-m) with no derating required for continuous duty applications. Nine speed ratios and thirteen output options cover a broad range of installation requirements, while a compact housing keeps clearance issues to a minimum. The 871 Series is the only Chelsea PTO offering all three premium options simultaneously: Wet Spline lubrication, SmartStart shock-load reduction, and Quiet Gear input. 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 and reduces vibration-related damage. Typical markets include fire and rescue, refuse, truck cranes, and pumper-cleaner applications. Call us to confirm proper fit for your specific transmission and application.
Features
10-bolt PowerShift (hydraulic shift) mounting for Allison transmissions
Ductile iron bearing cap rated 117% stronger than gray iron
Continuous torque capacity up to 670 lb-ft (908 N-m) with no continuous-duty derating required
Nine speed ratios and thirteen output options for flexible installation
Wet Spline pump flange, SmartStart, and Quiet Gear options all available on a single unit
Electronic Overspeed Control (EOC) protects driven equipment
Tech Specs
- Mounting: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque Capacity: Up to 670 lb-ft (908 N-m)
- Speed Ratios: Nine
- Output Options: Thirteen
- Lubricant System: Pressure Lube and Wet Spline
- Continuous Operation: Yes
Additional Information
Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
