The Chelsea 871XBQTP-B5RY is a 10-bolt PowerShift (hydraulic-shift) Power Take-Off from the 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 installers broad flexibility across fire and rescue, refuse, pumper/cleaner, and truck crane vocations. A ductile iron bearing cap rated 117% stronger than gray iron and an O-ring sealing configuration between the housing and bearing cap help resist the vibrational loads of modern engine designs. Optional Wet Spline lubrication extends pump shaft and PTO service life. The 871 Series also supports SmartStart (shock-load reduction at engagement) and Electronic Overspeed Control (EOC) to protect driven equipment. 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 continuous-duty derating required
Ductile iron bearing cap - 117% stronger than gray iron predecessor
O-ring seal between housing and bearing cap reduces vibrational effects and improves clamp load
Nine speed ratios and thirteen output options for broad application flexibility
Optional Wet Spline pump flange, SmartStart engagement, Quiet Gear input, and Electronic Overspeed Control (EOC)
Tech Specs
- Mounting: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque Capacity: 670 lb-ft (908 N-m)
- Shaft Power: 64 HP at 500 RPM / 128 HP at 1000 RPM
- Speed Ratios: Nine
- Output Options: Thirteen
- 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
- Lubrication Options: Pressure Lube, Wet Spline
- Continuous Operation: Yes
- Series: Chelsea 871 Series (replaces 870 Series)
Additional Information
Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
