The Chelsea 272XDAJX-P3RK or 272XDAJXP3RK is a 6-bolt, hot-shift power take-off assembly from Chelsea's 272 Series, a medium-duty PTO platform that consolidates the older 230, 231, 236, 238, 270, and 271 series into a single, more versatile unit. It uses pneumatic shift (PowerShift pneumatic/hydraulic) and features a 1-1/4" round output shaft with a 5/16" key. Continuous torque capacity reaches 300 lb-ft (407 Nm); intermittent torque is rated at 201-300 lb-ft (401-500 Nm). Output power exceeds 56 HP (41-50 kW). The series includes an integral air control valve and rotatable flanges, and it covers applications in towing and recovery, aerial, construction, and water truck markets. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting configuration for broad transmission compatibility
Pneumatic shift (PowerShift pneumatic/hydraulic) 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 rating 201-300 lb-ft (401-500 Nm)
Output power 56+ HP (41-50 kW); shaft power 57 HP at 1,000 RPM
Rotatable flanges; compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other transmissions
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: 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, and other manufacturers
- Dimensions (H x W x L): 15.75" x 12.5" x 14"
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
