The Chelsea 272 Series Power Take-Off Assembly, part number 272XMAJX-J3XD or 272XMAJXJ3XD, is a 6-bolt hot-shift PTO designed for medium-duty applications across towing and recovery, aerial, construction, and water truck markets. It delivers up to 300 lb-ft of continuous torque and 201-300 lb-ft intermittently, with output shaft power rated at 56+ HP and 41-50 kW. The 1-1/4" round output shaft uses a 5/16" key. Shift is pneumatic or PowerShift (pneumatic/hydraulic), and the unit includes an integral air control valve. Compatible transmission families include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. The 272 Series consolidates several earlier Chelsea medium-duty PTO lines into a single, flexible platform. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting with rotatable flanges for flexible installation
Pneumatic or PowerShift (pneumatic/hydraulic) hot-shift operation 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 rated at 56+ HP (41-50 kW); shaft power at 500 RPM: 29 kW / 57 HP at 1,000 RPM
Wet-Spline option for extended PTO and pump shaft life; Smart Start option for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic / PowerShift (Pneumatic/Hydraulic)
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 300 lb-ft (407 Nm) - check application pages for actual torque ratings
- Output Power: 56+ HP (41-50 kW)
- Shaft Power at 500 RPM: 29 kW; at 1,000 RPM: 43 kW
- Shaft HP at 500 RPM: 29 HP; at 1,000 RPM: 57 HP
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
