The Chelsea 871 Series Power Take-Off Assembly, part number 871XJFJP-D5RS or 871XJFJPD5RS, is a 10-bolt PowerShift (hydraulic) PTO designed for Allison transmissions. The 871 Series carries a continuous torque rating of up to 670 lb-ft (908 N-m) with no derating required for continuous-duty use. Nine speed ratios and thirteen output configurations give technicians broad flexibility across fire and rescue, refuse, truck crane, and pumper cleaner applications. A ductile iron bearing cap rated 117% stronger than gray iron, combined with an o-ring sealing configuration between the housing and bearing cap, addresses the vibrational stress common in modern engine designs. Optional Wet Spline pump flange, SmartStart, and Quiet Gear features are available on this series. Call us to confirm proper fit for your application.
Features
10-bolt PowerShift (hydraulic) mounting for Allison transmissions
Continuous torque rating up to 670 lb-ft (908 N-m) with no continuous-duty derating required
Ductile iron bearing cap, 117% stronger than gray iron, resists vibration fatigue
O-ring sealing between housing and bearing cap improves clamp load and reduces vibrational effects
Nine speed ratios and thirteen output options for wide application coverage
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)
- Shaft Power: 64 HP at 500 RPM / 128 HP at 1000 RPM
- Speed Ratios: Nine
- Output Options: Thirteen
- Bearing Cap Material: Ductile Iron
- Sealing: O-ring configuration between housing and bearing cap
- Continuous Operation: Yes
- Options Available: Wet Spline pump flange, 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.
