The Chelsea 272 Series Power Take-Off Assembly, part number 272XPAJX-V3RK or 272XPAJXV3RK, is a 6-bolt hot shift PTO built for medium-duty work in towing and recovery, aerial, construction, and water truck applications. It mounts via a 6-bolt pattern and delivers a 1-1/4" round output shaft with a 5/16" key. Continuous torque capability reaches 300 lb-ft (407 Nm), with intermittent ratings in the 201-300 lb-ft range. Shift is pneumatic or PowerShift (pneumatic/hydraulic), with an integral air control valve included. The 272 Series consolidates several prior Chelsea PTO lines into one platform, offering nine speed ratios and eighteen shift options. Call us to confirm the right ratio and shift configuration for your transmission and application.
Features
6-bolt mounting pattern for broad transmission compatibility across Ford, Allison, Eaton/Fuller, Volvo/Mack, Aisin, and RAM applications
1-1/4" round output shaft with 5/16" key
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent range 201-300 lb-ft (401-500 Nm)
Pneumatic or PowerShift (pneumatic/hydraulic) shift with integral air control valve included
Nine speed ratios and eighteen shift options within the 272 Series platform
Smart-Start option available for high-torque start-up conditions; Wet-Spline technology for extended PTO and pump shaft life
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)
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Shaft Power at 500 RPM: 29 HP (21 kW); at 1000 RPM: 57 HP (43 kW)
- Transmission Compatibility: Ford, Allison, Eaton/Fuller, Volvo/Mack, Aisin, 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.
