The Chelsea 272 Series Power Take-Off Assembly, part number 272NBHVP-D5RY or 272NBHVPD5RY, is a 6-bolt hot-shift PTO designed for medium-duty applications including aerial, construction equipment, towing and recovery, and water trucks. It features a 1-1/4" round output shaft with a 5/16" key and supports both pneumatic (air) shift and hydraulic PowerShift operation, with an integral air control valve included. The 272 Series carries a continuous torque rating up to 300 lb-ft and an intermittent torque rating of 201-300 lb-ft (401-500 Nm). 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 broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic (air) shift or hydraulic PowerShift operation with integral air control valve
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Output power 56+ HP; shaft power 57 HP at 1,000 RPM
Suited for aerial, construction, towing and recovery, and water truck applications
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 shaft with 5/16" key
- Shift Type: Pneumatic (air shift) or PowerShift (pneumatic/hydraulic)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Compatible Transmissions: 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.
