The Chelsea 272 Series Power Take-Off Assembly, part number 272NAHVP-D5RY or 272NAHVPD5RY, is a 6-bolt hot-shift PTO designed for medium-duty truck applications. It features a pneumatic/hydraulic (PowerShift) shift mechanism with an integral air control valve, and a 1-1/4" round output shaft with a 5/16" key. The 272 Series supports continuous torque up to 300 lb-ft (407 Nm) and intermittent torque in the 201-300 lb-ft (401-500 Nm) range. 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 transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your specific transmission and application.
Features
6-Bolt mounting configuration for medium-duty hot-shift applications
Pneumatic and hydraulic (PowerShift) shift options 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)
Shaft power: 29 HP (21 kW) at 500 RPM, 57 HP (43 kW) 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: 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: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
