The Chelsea 871 Series Power Take-Off (part number 871XFFJW-D3RY or 871XFFJWD3RY) is a 10-bolt, hydraulic PowerShift PTO engineered for Allison-mounted applications. The series delivers continuous torque capacity up to 670 lb-ft (908 N-m) with no derating required for continuous-duty use. Nine available speed ratios and thirteen output configurations cover a broad range of working speeds, from 64 HP at 500 RPM to 128 HP at 1,000 RPM. The compact housing keeps installation height low to reduce clearance conflicts. Three Chelsea options - Wet Spline, SmartStart, and Quiet Gear - are all available on this series, making it the only Chelsea PTO to offer all three. Electronic Overspeed Control (EOC) is available to protect driven equipment. The 871 Series supersedes the earlier 870 Series. Call us to confirm proper fit for your application.
The 871 Series is suited for demanding vocational applications including fire and rescue, truck cranes, pumper-cleaner units, and refuse trucks. All three of Chelsea's premium protection options - Wet Spline for extended pump shaft life, SmartStart to reduce shock load at start-up, and Quiet Gear for reduced input noise - are available on this series. Electronic Overspeed Control (EOC) can be specified to protect downstream driven equipment. Relevant Parker Chelsea reference documents for this series include the 267/281/288/871/878 Series Owner's Manual, the 871 Series Parts List (HY25-2871-M1/US), and 871 Series Sales Literature.
Features
10-bolt hydraulic PowerShift 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 sealing configuration between housing and bearing cap reduces vibrational effects and improves clamp load
Nine speed ratios and thirteen output options for wide application coverage
Wet Spline pump flange, SmartStart, Quiet Gear, and Electronic Overspeed Control (EOC) options available
Compact housing height reduces clearance issues at installation
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Manufacturer: Allison
- Continuous Torque: 670 lb-ft (908 N-m)
- Shaft Power: 64 HP (500 RPM) / 128 HP (1,000 RPM)
- Speed Ratios: Nine
- Output Options: Thirteen
- Lubricant: Pressure Lube and Wet Spline
- Available 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
- Available Output Flange Types: SAE B Pump Flange, SAE C Pump Flange
- Continuous Operation: Yes
- Supersedes: Chelsea 870 Series
Additional Information
The 871 Series is suited for demanding vocational applications including fire and rescue, truck cranes, pumper-cleaner units, and refuse trucks. All three of Chelsea's premium protection options - Wet Spline for extended pump shaft life, SmartStart to reduce shock load at start-up, and Quiet Gear for reduced input noise - are available on this series. Electronic Overspeed Control (EOC) can be specified to protect downstream driven equipment. Relevant Parker Chelsea reference documents for this series include the 267/281/288/871/878 Series Owner's Manual, the 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.
