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Legacy PowerShift (Hydraulic) 10-Bolt Power Take-Off (PTO) - 278 Series
Brand: Parker ChelseaThe Chelsea 278 Power Take-Off - PTO included all the design features of our proven 277 Series with the addition of moving the output shaft “up” and away from the PTO aperture pad providing more pump clearance.
These electric-over-hydraulic PowerShift PTOs offered six speed ratios, numerous output options from 1-1/4” round shaft to a DIN 5462 output.
Chelsea's SuperTorque™ option offered a 20% higher intermittent torque rating up to 402 lb-ft. for applications that may require a higher rating then the standard 278 Series.
The 278 Series was counted on for longevity due to its internal bearing lube.
This PTO is no longer available.
Features- Wet Spline Options Available
- Cartridge Valve Assembly for Reduced Interference
- Enhanced Housing Design for Maximum Transmission Clearance when Direct Mounting a Pump
- Two Year Warranty
Specifications
Brand
Intermittent Torque Rating
- 501+ Nm
- 401-500 lb-ft
Mounting Styles
- 10-Bolt
Output Power
- 51+ kW
- 56+ hp
Output Shaft
- 500 rpm: 29 kW, 1000 rpm: 57 kW
- 500 rpm: 38 hp, 1000 rpm: 77 hp
Output Shaft Type
- 1-1/4” Round w/ Key
- 1-1/4” Round
Shift Type
- PowerShift (Hydraulic)
- Hydraulic
Weight
- 22 kg
- 49 lb
Transmission Manufacturer
- Allison
- Other
- Refuse
- Aerial
- Snow and Ice Removal
- Fire and Rescue
Documentation
Certifications and Approvals
Datasheet
- 278 Series Parts List - HY25-2277-M1 US pdf 12.8 MB
- 278 Series Sales Literature - HY25-0086-M1 US pdf 1.2 MB
- Chelsea Power Take-Off (PTO) Stud Kits - HY25-2002-M1 US pdf 691 KB
- PTO-PNI-147 - New Output Options pdf 58 KB
- PTO-PNI-195 - Valve Change pdf 220 KB
- PTO-PNI-260 - 277/278 Series Phase Out pdf 156 KB