The Chelsea 871 Series Power Take-Off (PTO), part number 871XBFJW-D3RY or 871XBFJWD3RY, is a 10-bolt hydraulic PowerShift unit designed for Allison transmission applications. The 871 Series delivers continuous torque capacity up to 670 lb-ft (908 N-m) with no derating required for continuous-duty use. A ductile iron bearing cap rated 117% stronger than gray iron and an o-ring sealing configuration between the housing and bearing cap resist vibration damage from modern engine designs. Nine speed ratios and thirteen output options cover a wide range of driven-equipment requirements. The 871 Series is the only Chelsea PTO to offer all three of Chelsea's signature options on a single platform: Wet Spline, SmartStart, and Quiet Gear. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
10-bolt hydraulic PowerShift mounting for Allison transmissions
Continuous torque capacity up to 670 lb-ft (908 N-m) - no derating for continuous duty
Ductile iron bearing cap, 117% stronger than gray iron
O-ring sealing between housing and bearing cap reduces vibration effects and improves clamp load
Nine speed ratios and thirteen output options
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: 670 lb-ft / 908 N-m (check application pages for actual torque ratings)
- Speed Ratios: Nine
- Output Options: Thirteen
- Lubricant: Pressure Lube and Wet Spline
- Shaft Power: 64 HP at 500 RPM / 128 HP at 1,000 RPM
- Optional Features: Wet Spline, SmartStart, Quiet Gear, Electronic Overspeed Control (EOC)
- Applications: Fire and Rescue, Truck Cranes, Pumper Cleaner, Refuse
Additional Information
Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.