The Chelsea 272RCKUP-B3RB or 272RCKUPB3RB is a 6-bolt hot shift Power Take-Off assembly from the Chelsea 272 Series, a medium-duty PTO line that consolidates and supersedes the earlier 230, 231, 236, 238, 270, and 271 Series. This unit features a 1-1/4" round output shaft with a 5/16" key and supports pneumatic or PowerShift (pneumatic/hydraulic) actuation with an integral air control valve. Continuous torque capability reaches 300 lb-ft (407 Nm); intermittent torque is rated at 201-300 lb-ft (401-500 Nm). Output power is rated at 56+ HP (41-50 kW). Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm the right fit for your specific transmission and application.
Features
6-bolt mounting for broad transmission compatibility across Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) shift with integral air control valve
Continuous torque rating: 300 lb-ft (407 Nm); intermittent torque: 201-300 lb-ft (401-500 Nm)
Shaft power output: 29 HP at 500 RPM, 57 HP at 1,000 RPM (21 kW at 500 RPM, 43 kW at 1,000 RPM)
Suited for aerial, construction, towing and recovery, and water truck applications
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 300 lb-ft / 407 Nm (check application pages for actual torque ratings)
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Output Power: 56+ HP (41-50 kW)
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Shaft Power: 29 HP / 21 kW at 500 RPM; 57 HP / 43 kW at 1,000 RPM
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
