The Chelsea 272 Series Power Take-Off Assembly, part number 272XAAJP-B5XR or 272XAAJPB5XR, is a 6-bolt hot shift PTO designed for medium-duty applications in aerial, construction, towing and recovery, and water truck markets. It ships with a 1-1/4" round output shaft with a 5/16" key and supports both pneumatic and hydraulic (PowerShift) shift options, with an integral air control valve included. Continuous torque capability reaches 300 lb-ft (407 Nm), with intermittent torque rated at 201-300 lb-ft (401-500 Nm). Output power runs 56+ HP (41-50 kW), and shaft power is rated at 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible with transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your application.
Features
6-bolt mounting, compatible with a wide range of medium-duty transmission applications
1-1/4" round output shaft with 5/16" key
Pneumatic or hydraulic (PowerShift) shift with integral air control valve
Continuous torque up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Shaft power: 29 HP at 500 RPM, 57 HP at 1,000 RPM
Fits transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Tech Specs
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Shift Type: Pneumatic or Hydraulic (PowerShift)
- Continuous Torque: 300 lb-ft (407 Nm) - Check application pages for actual torque ratings
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Transmission Compatibility: 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.
