The Chelsea 272NDHVP-B3SD or 272NDHVPB3SD is a 6-bolt hot shift power take-off from the Chelsea 272 Series, a medium-duty PTO line that consolidates the 230, 231, 236, 238, 270, and 271 Series into a single platform. This unit mounts pneumatically (PowerShift pneumatic/hydraulic) and uses an integral air control valve for shift control. The 1-1/4" round output shaft features a 5/16" keyway. Continuous torque rating reaches 300 lb-ft (407 Nm); intermittent torque runs 201-300 lb-ft (401-500 Nm). Shaft power output is rated at 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM applications. Call us to confirm proper fit for your application.
Features
6-bolt mounting, hot shift design with integral air control valve
Pneumatic or PowerShift (pneumatic/hydraulic) shift operation
1-1/4" round output shaft with 5/16" keyway
Continuous torque rating: 300 lb-ft (407 Nm); intermittent torque: 201-300 lb-ft (401-500 Nm)
Shaft power: 29 HP at 500 RPM, 57 HP at 1,000 RPM; output power 56+ HP (41-50 kW)
Broad transmission compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
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
- Shift Type: Pneumatic, 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
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, Other
Additional Information
The Chelsea 272 Series consolidates six earlier medium-duty PTO lines - the 230, 231, 236, 238, 270, and 271 Series - into one platform. The 272 Series offers nine speed ratios and eighteen shift options. Direct-mount outputs are available with an optional Wet-Spline configuration for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start option, designed to handle high-torque start-up conditions. Rotatable flanges allow flexible installation. The 272 Series is used in aerial, construction equipment, towing and recovery, and water truck applications.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
