The Chelsea 272 Series Power Take-Off Assembly, part number 272GCHVP-D3RK or 272GCHVPD3RK, is a 6-bolt hot shift PTO designed for medium-duty truck applications including towing and recovery, aerial, construction equipment, and water trucks. It features a 1-1/4" round output shaft with a 5/16" key and supports pneumatic or PowerShift (pneumatic/hydraulic) engagement. The 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 series into a single platform, offering 9 speed ratios and 18 shift options. Continuous torque capability reaches 300 lb-ft; intermittent torque is rated at 201-300 lb-ft. Output power is 56+ HP at the rated shaft speed. Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your application.
Features
6-bolt mounting with pneumatic or PowerShift (pneumatic/hydraulic) shift engagement
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)
Integral air control valve included
9 speed ratios and 18 shift options within the 272 Series platform
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) - 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)
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
Additional Information
Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
