The Chelsea 871LGFJW-B3TS is a 10-bolt PowerShift (hydraulic) Power Take-Off built for Allison transmissions. It belongs to Chelsea's 871 Series, which carries a continuous torque rating of up to 670 lb-ft (908 Nm) and requires no derating for continuous duty operation. The 871 Series features a ductile iron bearing cap, an o-ring sealing configuration between the housing and bearing cap for improved clamp load, and an optional Wet Spline pump flange to extend PTO and pump shaft life. Nine speed ratios and thirteen output options give this series broad application flexibility across fire and rescue, refuse, pumper cleaner, and truck crane equipment. Available from Pro Gear and Transmission.
Features
10-bolt mounting, hydraulic PowerShift engagement
Continuous duty rated - up to 670 lb-ft (908 Nm) torque capacity
Ductile iron bearing cap, 117% stronger than gray iron predecessor
O-ring seal between housing and bearing cap improves clamp load
Nine speed ratios and thirteen output shaft options
Wet Spline, SmartStart, and Quiet Gear options available within the 871 Series
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque Rating: up to 670 lb-ft / 908 Nm (see application pages for actual ratings)
- Shaft Power: 64 HP at 500 RPM / 128 HP at 1000 RPM
- Continuous Operation: Yes
- Lubricant: Pressure Lube / Wet Spline
- Output Shaft Options: SAE B (7/8"-13T), SAE BB (1"-15T), SAE C (1-1/4"-14T) Pump Spline, DIN 5462 Pump Spline, 1410 Series Companion Flange, DIN 120 Flange, DIN 100 Flange
- Output Flange Options: SAE B Pump Flange, SAE C Pump Flange
- Speed Ratios Available: Nine
- Total Output Options: Thirteen
Additional Information
The Chelsea 871 Series replaces the earlier 870 Series PTO. Improvements over the 870 Series include the ductile iron bearing cap and the updated o-ring sealing configuration. The 871 Series is the only Chelsea PTO to offer all three of Chelsea's signature options - Wet Spline, SmartStart, and Quiet Gear - within a single compact housing design. Typical markets include fire and rescue, truck cranes, pumper cleaner, and refuse applications. Applicable Parker documents include the 267/281/288/871/878 Series Owner's Manual, 871 Series Parts List (HY25-2871-M1/US), and 871 Series Sales Literature.Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
