The Chelsea 272 Series Power Take-Off Assembly, part number 272XKAJX-V3RK or 272XKAJXV3RK, is a 6-bolt hot shift PTO designed for medium-duty truck applications including towing and recovery, aerial, construction equipment, and water trucks. It mounts via a 6-bolt pattern and features a 1-1/4" round output shaft with a 5/16" key. Shift is pneumatic or PowerShift (pneumatic/hydraulic), with an integral air control valve included. The 272 Series carries a continuous torque rating up to 300 lb-ft (407 Nm) and intermittent torque of 201-300 lb-ft (401-500 Nm). Output power reaches 56+ HP (41-50 kW). Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern for broad transmission compatibility
Pneumatic or PowerShift (pneumatic/hydraulic) hot 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); intermittent torque 201-300 lb-ft (401-500 Nm)
Output power 56+ HP (41-50 kW); shaft power 57 HP at 1,000 RPM
Fits Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: Up to 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.
