The Chelsea 272RKKUP-B3RY or 272RKKUPB3RY is a 6-bolt hot shift power take-off assembly from the Chelsea 272 Series, designed for medium-duty applications including towing and recovery, aerial work, construction equipment, and water trucks. It features a pneumatic or PowerShift (pneumatic/hydraulic) shift type with an integral air control valve, and delivers up to 300 lb-ft of continuous torque and 201-300 lb-ft intermittent torque. The output shaft is a 1-1/4" round shaft with a 5/16" key. Output power runs at 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible with a broad range of transmission manufacturers including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. The 272 Series consolidates multiple previous Chelsea PTO series into one platform. Call us to confirm proper fit for your application.
Features
6-bolt mounting, compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Pneumatic or PowerShift (pneumatic/hydraulic) shift with integral air control valve
1-1/4" round output shaft with 5/16" key
Continuous torque rating up to 300 lb-ft (407 Nm); verify actual rating on Chelsea application pages
Intermittent torque: 201-300 lb-ft (401-500 Nm)
Shaft power: 29 HP at 500 RPM, 57 HP at 1,000 RPM
Tech Specs
- Intermittent Torque: 201-300 lb-ft, 401-500 Nm
- Continuous Torque: 300 lb-ft, 407 Nm (verify actual rating on Chelsea application pages)
- 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 at 500 RPM; 57 HP at 1,000 RPM (21 kW at 500 RPM; 43 kW at 1,000 RPM)
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
