The Chelsea 272GCHVP-B3SD or 272GCHVPB3SD is a 272 Series hot-shift power take-off designed for medium-duty applications across towing and recovery, aerial, construction, and water truck markets. It mounts on a 6-bolt transmission face and accepts pneumatic (air) or PowerShift pneumatic/hydraulic actuation. The output shaft is a 1-1/4" round shaft with a 5/16" key. Continuous torque capability for the 272 Series reaches 300 lb-ft (407 Nm); intermittent torque falls in the 201-300 lb-ft (401-500 Nm) range. Shaft power output is rated at 29 HP (21 kW) at 500 RPM and 57 HP (43 kW) at 1,000 RPM. Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting for broad transmission compatibility, including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Pneumatic (air shift) or PowerShift pneumatic/hydraulic actuation 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) for the 272 Series; intermittent torque 201-300 lb-ft (401-500 Nm)
Shaft power output: 29 HP at 500 RPM, 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: 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 (Air Shift) or PowerShift (Pneumatic/Hydraulic)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power at 500 RPM: 29 HP (21 kW)
- Shaft Power at 1,000 RPM: 57 HP (43 kW)
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
The 272GCHVP-B3SD is part of the Chelsea 272 Series, a redesigned medium-duty hot-shift PTO line that consolidates the earlier 230, 231, 236, 238, 270, and 271 series into a single flexible platform. The 272 Series offers nine speed ratios and 18 shift options. Direct-mount outputs are available with optional Wet-Spline technology for extended PTO and pump shaft life. Driveshaft output configurations can include the Smart-Start option for high-torque start-up conditions. Flanges are rotatable for installation flexibility. This series is used in aerial lift, construction equipment, towing and recovery, water truck, and defense applications.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
