The Chelsea 272 Series power take-off assembly, part number 272XCAJP-D3RY or 272XCAJPD3RY, is a 6-bolt hot shift PTO with pneumatic or PowerShift (pneumatic/hydraulic) engagement. The output shaft is a 1-1/4" round shaft 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 the Chelsea application pages for your specific installation. Output power reaches 56+ HP (41-50 kW), and the unit is compatible with transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM, among others. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration for broad transmission compatibility
Pneumatic or PowerShift (pneumatic/hydraulic) shift engagement 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 application pages for verified ratings
Output power: 56+ HP (41-50 kW); shaft power at 1,000 RPM is 57 HP (43 kW)
Compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 300 lb-ft / 407 Nm (verify actual rating on Chelsea application pages)
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" round shaft 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 Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and others
Additional Information
The 272 Series consolidates several earlier Chelsea medium-duty hot shift PTO families - including the 230, 231, 236, 238, 270, and 271 series - into a single platform. The series offers nine speed ratios and eighteen shift options. Available features for this series include Wet-Spline technology for extended PTO and pump shaft life, and the Smart-Start option for high-torque startup conditions. Rotatable flanges provide installation flexibility. Typical application markets include aerial work platforms, towing and recovery, construction equipment, and water trucks.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
