The Chelsea 272 Series Power Take-Off Assembly, part number 272XKAJX-V3RF or 272XKAJXV3RF, is a 6-bolt hot shift PTO built for medium-duty work in towing and recovery, aerial, construction equipment, and water truck applications. It delivers continuous torque up to 300 lb-ft (407 Nm) and intermittent torque in the 201-300 lb-ft (401-500 Nm) range. Shift is pneumatic or PowerShift (pneumatic/hydraulic), and the output shaft is a 1-1/4" round with a 5/16" key. Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM, among others. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting for broad transmission compatibility including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Pneumatic or PowerShift (pneumatic/hydraulic) shift 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 57 HP at 1,000 RPM
Smart Start option for high-torque start-up conditions; Wet-Spline option available in the 272 Series
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 or PowerShift (Pneumatic/Hydraulic)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other select applications
Additional Information
The Chelsea 272 Series consolidates earlier medium-duty PTO lines - including the 230, 231, 236, 238, 270, and 271 Series - into a single, more versatile platform. The series offers nine speed ratios, eighteen shift configurations, and both direct-mount and driveshaft output options. Rotatable flanges add installation flexibility, and the integral air control valve is included. Applications served by the 272 Series include aerial equipment, construction machinery, towing and recovery, water trucks, material handling, and defense. Part 272XKAJX-V3RF is sold by Pro Gear and Transmission.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
