The Chelsea 272NDHVP-B3RK or 272NDHVPB3RK is a 272 Series medium-duty hot shift power take-off with a 6-bolt mounting configuration. It uses a 1-1/4" round output shaft with a 5/16" key and is rated for up to 300 lb-ft continuous torque and 201-300 lb-ft intermittent torque. Shift options include pneumatic (air shift) or PowerShift (pneumatic/hydraulic). Output power reaches 56+ HP, with shaft power measured at 57 HP at 1,000 RPM. The 272 Series consolidates earlier Chelsea PTO lines (230, 231, 236, 238, 270, and 271) into a single versatile platform. 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 configuration for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic (air shift) or PowerShift (pneumatic/hydraulic) shift options
Continuous torque rating up to 300 lb-ft (407 Nm); 201-300 lb-ft intermittent
Shaft power: 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)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Shift Type: Pneumatic (Air Shift) or PowerShift (Pneumatic/Hydraulic)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, Other
Additional Information
The Chelsea 272 Series consolidates the older 230, 231, 236, 238, 270, and 271 PTO lines into one platform. It offers nine speed ratios and eighteen shift options, making it adaptable across a wide range of medium-duty truck applications including towing and recovery, aerial work, construction equipment, and water trucks. The series features an integral air control valve, rotatable flanges, and an optional Wet-Spline design for extended PTO and pump shaft service life. A Smart Start option is available for high-torque start-up conditions.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
