The Chelsea 272 Series Power Take-Off Assembly, part number 272GBHVP-A3XD or 272GBHVPA3XD, is a 6-bolt hot-shift PTO designed for medium-duty applications including aerial, construction, towing and recovery, and water truck service. It features a 1-1/4" round output shaft with a 5/16" key and supports both pneumatic and PowerShift (pneumatic/hydraulic) engagement. Continuous torque capability reaches 300 lb-ft (407 Nm); intermittent torque is rated at 201-300 lb-ft (401-500 Nm). Shaft power output is 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your application.
Features
6-bolt hot-shift mounting for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic and PowerShift (pneumatic/hydraulic) shift options with integral air control valve
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 (56+ HP class)
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, PowerShift (Pneumatic/Hydraulic)
- 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
The 272 Series consolidates and replaces Chelsea's earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot-shift PTOs into a single platform. The series offers nine speed ratios and eighteen shift options. Direct-mount configurations include an optional Wet-Spline output for extended PTO and pump shaft service life. Driveshaft output configurations are available with the Smart-Start feature to handle high-torque start-up conditions. Rotatable flanges allow flexible installation positioning. The integral air control valve is included with pneumatic-shift units. Typical markets served by the 272 Series include aerial lift, construction equipment, towing and recovery, water trucks, material handling, and defense. Part number 272GBHVP-A3XD is also referenced as SP272GBHVP-A3XD in some catalog systems.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
