The Chelsea 871 Series Power Take-Off, part number 871XEFJP-D5SV or 871XEFJPD5SV, is a compact 10-bolt PowerShift (hydraulic-shift) PTO engineered for Allison transmissions. The 871 Series carries a continuous torque rating up to 670 lb-ft (908 N-m) with no derating required for continuous-duty use. Nine available speed ratios and thirteen output options cover a wide range of hydraulic pump configurations. The ductile iron bearing cap is 117% stronger than gray iron, and an O-ring sealing configuration between the housing and bearing cap improves clamp load while reducing vibration-related wear. Optional Wet Spline pump flange, SmartStart, and Quiet Gear configurations are available. The 871 Series replaces the earlier Chelsea 870 Series PTO. Call us to confirm the correct configuration for your application.
Features
10-bolt PowerShift (hydraulic-shift) 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 configuration between housing and bearing cap reduces vibration effects and improves clamp load
Nine speed ratios and thirteen output options
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 available
- Output Options: Thirteen available
- Lubricant: Pressure Lube (P) and Wet Spline (W)
- Continuous Operation: Yes - no derating required
- Output Shaft Types Available: 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 Available: SAE B Pump Flange, SAE C Pump Flange
- Markets: Fire and Rescue, Truck Cranes, Pumper Cleaner, Refuse
- Supersedes: Chelsea 870 Series PTO
Additional Information
Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
