The Chelsea 272GAHVP-P3RK or 272GAHVPP3RK is a 272 Series hot shift power take-off assembly with a 6-bolt mounting configuration and a 1-1/4" round output shaft with a 5/16" key. Shift actuation is pneumatic or PowerShift (pneumatic/hydraulic), with an integral air control valve included. The 272 Series supports intermittent torque of 201-300 lb-ft (401-500 Nm) and continuous torque up to 300 lb-ft (407 Nm); check application pages for actual torque ratings on your specific installation. Output power reaches 56+ HP (41-50 kW), with shaft power of 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. A genuine Chelsea part from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) shift actuation with integral air control valve
Intermittent torque: 201-300 lb-ft (401-500 Nm); continuous torque up to 300 lb-ft (407 Nm)
Shaft power: 29 HP at 500 RPM, 57 HP at 1,000 RPM
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: Up to 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
- Shift Type: Pneumatic / PowerShift (Pneumatic-Hydraulic)
- Integral Air Control Valve: Included
- 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 Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
Additional Information
The Chelsea 272 Series consolidates several earlier 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. Rotatable flanges allow flexibility in installation orientation. The Wet-Spline option (where applicable) is designed to extend PTO and pump shaft service life. The Smart Start option is available for high-torque start-up conditions. Typical applications for the 272 Series include aerial equipment, 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.
