The Chelsea 871XEFJP-G5RS or 871XEFJPG5RS is a 10-bolt PowerShift (hydraulic) Power Take-Off from Chelsea's 871 Series, designed for Allison transmission applications. The series delivers continuous torque capacity up to 670 lb-ft (908 N-m) with no derating required for continuous-duty use. Nine speed ratios and thirteen output options give this PTO broad application flexibility across fire and rescue, refuse, truck crane, and pumper/cleaner equipment. A ductile iron bearing cap rated 117% stronger than gray iron, an O-ring sealing configuration between the housing and bearing cap, and an optional Wet Spline pump flange help resist the vibrational stress that modern engine designs impose on PTO-driven systems. The 871 Series also supports optional SmartStart (shock-load reduction at startup) and Quiet Gear input configurations. Call us to confirm proper fit for your specific truck and transmission.
Features
10-bolt PowerShift (hydraulic) mounting for Allison transmissions
Continuous torque capacity up to 670 lb-ft (908 N-m) - no derating needed for continuous-duty operation
Ductile iron bearing cap, 117% stronger than gray iron, with O-ring sealing to improve clamp load and resist vibration
Nine speed ratios and thirteen output options for wide application coverage
Optional Wet Spline pump flange to extend PTO and pump shaft service life
Optional SmartStart (startup shock-load reduction) and Quiet Gear input configurations available
Tech Specs
- Mounting: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque Capacity: 670 lb-ft (908 N-m) - check application pages for actual torque ratings
- Shaft Power: 64 HP at 500 RPM / 128 HP at 1000 RPM
- Speed Ratios: Nine
- Output Options: Thirteen
- Lubrication: Pressure Lube and Wet Spline
- Output Shaft Types: SAE B (7/8 in. - 13T) Pump Spline, SAE BB (1 in. - 15T) Pump Spline, SAE C (1-1/4 in. - 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
- Continuous Operation: Yes
- Optional Features: SmartStart, Quiet Gear input, Electronic Overspeed Control (EOC), Wet Spline pump flange
Additional Information
Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
