The Chelsea 272XDAJX-13BD or 272XDAJX13BD is a 6-bolt pneumatic hot shift power take-off from the Chelsea 272 Series. It mounts to transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM, making it one of the most application-flexible medium-duty PTOs in its class. The output shaft is a 1-1/4" round with a 5/16" key. Intermittent torque rating runs 201-300 lb-ft (401-500 Nm), with continuous torque up to 300 lb-ft (407 Nm) - verify actual ratings on Chelsea application pages for your specific installation. Shift is pneumatic/PowerShift (pneumatic/hydraulic). Output power exceeds 56 HP (41-50 kW). At 500 RPM the shaft delivers 29 HP (21 kW); at 1,000 RPM, 57 HP (43 kW). The 272 Series also supports an optional wet-spline configuration and Smart-Start for high-torque startup conditions. Call us to confirm proper fit for your transmission and application.
Features
6-Bolt mounting compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Pneumatic and PowerShift (pneumatic/hydraulic) shift options with integral air control valve
1-1/4" round output shaft with 5/16" key
Intermittent torque: 201-300 lb-ft (401-500 Nm); continuous torque: up to 300 lb-ft (407 Nm) - see Chelsea application pages for actual ratings
Shaft power output: 29 HP at 500 RPM, 57 HP at 1,000 RPM
Smart-Start option available for high-torque startup; wet-spline option for extended PTO and pump shaft life
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: Up to 300 lb-ft (407 Nm) - check Chelsea application pages for actual torque ratings
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" round with 5/16" key
- Shift Type: Pneumatic / PowerShift (pneumatic/hydraulic)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power at 500 RPM: 29 HP (21 kW)
- Shaft Power at 1,000 RPM: 57 HP (43 kW)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other select applications
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
