The Chelsea 871 Series Power Take-Off, part number 871XAFJP-B5BV or 871XAFJPB5BV, is a 10-bolt hydraulic (PowerShift) PTO designed for Allison transmissions. The 871 Series delivers continuous torque capacity up to 670 lb-ft (908 N-m) with no derating required for continuous-duty applications. Nine available speed ratios and thirteen output options cover a wide range of hydraulic pump configurations, including SAE B, SAE BB, SAE C, and DIN pump spline outputs. A ductile iron bearing cap, an o-ring seal between the housing and bearing cap, optional Wet Spline pump flange, SmartStart, and Quiet Gear input round out the platform. The compact housing reduces installation clearance issues. Call us to confirm proper fit for your application.
Features
10-bolt PowerShift (hydraulic) mounting for Allison transmissions
Continuous torque capacity up to 670 lb-ft (908 N-m), no continuous-duty derating required
Ductile iron bearing cap, 117% stronger than gray iron
O-ring seal between housing and bearing cap reduces vibrational effects and improves clamp load
Nine speed ratios and thirteen output options including SAE B, SAE BB, SAE C, and DIN pump spline configurations
Optional Wet Spline pump flange, SmartStart shock-load reduction, Quiet Gear input, and Electronic Overspeed Control (EOC)
Tech Specs
- Mounting: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque: 670 lb-ft (908 N-m)
- Speed Ratios: Nine available
- Output Options: Thirteen available
- Output Shaft Types: SAE B (7/8" - 13T) Pump Spline, SAE BB (1" - 15T) Pump Spline, SAE C (1-1/4" - 14T) Pump Spline, DIN 5462 Pump Spline, 1410 Series Companion Flange, DIN 120 Flange, DIN 100 Flange
- Output Flange Types: SAE B Pump Flange, SAE C Pump Flange
- Lubricant System: Pressure Lube, Wet Spline
- Continuous Operation: Yes
- Shaft Power: 64 HP at 500 RPM, 128 HP at 1000 RPM
- Options: Wet Spline, SmartStart, Quiet Gear, Electronic Overspeed Control (EOC)
Additional Information
Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
