The Chelsea 272 Series Power Take-Off Assembly, part number 272XKAJX-P3RK or 272XKAJXP3RK, is a 6-bolt hot-shift PTO built for medium-duty mobile equipment. It mounts to transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM, among others. The output shaft is a 1-1/4" round shaft with a 5/16" key. Shift is pneumatic or PowerShift (pneumatic/hydraulic), and the unit includes an integral air control valve. The 272 Series carries a continuous torque rating of 300 lb-ft and an intermittent rating of 201-300 lb-ft, with output power exceeding 56 HP. Common applications include towing and recovery, aerial equipment, construction, and water trucks. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting configuration for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic and PowerShift (pneumatic/hydraulic) shift options
Integral air control valve included
Continuous torque rating: 300 lb-ft (407 Nm); intermittent: 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW); shaft power at 1,000 RPM: 57 HP (43 kW)
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)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Shift Type: Pneumatic / PowerShift (Pneumatic-Hydraulic)
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
