The Chelsea 871XBFJP-B3RF or 871XBFJPB3RF is a 10-bolt PowerShift (hydraulic-shift) Power Take-Off from the Chelsea 871 Series, designed for Allison transmission applications. The 871 Series delivers continuous-duty torque capacity up to 670 lb-ft (908 N-m) with no derating required for continuous operation. Nine speed ratios and thirteen output configurations give this unit broad application flexibility across fire and rescue, truck crane, pumper cleaner, and refuse equipment. The ductile iron bearing cap is 117% stronger than gray iron, and the o-ring sealing configuration between the housing and bearing cap improves clamp load while reducing vibration damage. The compact housing minimizes clearance conflicts during installation. The 871 Series is the only Chelsea PTO offering Wet Spline, SmartStart, and Quiet Gear options simultaneously. Call us to confirm proper fit for your application.
Features
10-bolt PowerShift (hydraulic-shift) mounting for Allison transmissions
Continuous-duty torque capacity up to 670 lb-ft (908 N-m), no derating required
Nine speed ratios covering low and high speed ranges
Thirteen output options including SAE B, SAE C, and companion flange configurations
Ductile iron bearing cap, 117% stronger than gray iron predecessor
O-ring sealing between housing and bearing cap reduces vibration effects and improves clamp load
Wet Spline pump flange, SmartStart, and Quiet Gear options available on this series
Electronic Overspeed Control (EOC) available to protect driven equipment
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Compatibility: Allison
- Continuous Torque Rating: up to 670 lb-ft (908 N-m) - check application pages for actual rating
- Speed Ratios: Nine
- Output Options: Thirteen
- Output Shaft Types (series): SAE B (7/8 in. - 13T) Pump Spline, SAE BB (1 in. - 15T) Pump Spline, SAE C (1-1/4 in. - 14T) Pump Spline
- Output Flange Types (series): SAE B Pump Flange, SAE C Pump Flange, 1410 Series Companion Flange
- Shaft Power (series): 64 HP at 500 RPM, 128 HP at 1000 RPM
- Lubricant: 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.
