The Chelsea 272GAHVP-G3BD (also referenced as 272GAHVPG3BD) is a 272 Series medium-duty hot shift power take-off with a 6-bolt mounting configuration. It features a 1-1/4" round output shaft with a 5/16" key and supports both pneumatic and PowerShift (pneumatic/hydraulic) actuation with an integral air control valve. Continuous torque capability reaches 300 lb-ft (407 Nm); intermittent torque is rated at 201-300 lb-ft (401-500 Nm). Output power exceeds 56 HP (41-50 kW), with shaft power measuring 29 HP at 500 RPM and 57 HP at 1,000 RPM. The 272 Series consolidates several earlier Chelsea medium-duty PTO lines into a single versatile platform suited for aerial, construction, towing and recovery, and water truck applications. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting configuration compatible with transmissions from Allison, Eaton/Fuller, Volvo/Mack, Ford, Aisin, RAM, and other manufacturers
Pneumatic and PowerShift (pneumatic/hydraulic) shift options 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); 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)
Rotatable flanges and Smart Start option for high-torque start-up conditions
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, PowerShift (Pneumatic/Hydraulic)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 medium-duty PTO lines into a single platform. The series offers nine speed ratios and eighteen shift options. Direct-mount outputs are available with optional Wet-Spline technology for extended PTO and pump shaft service life. Driveshaft outputs include the Smart Start option, designed for high-torque start-up conditions. Rotatable flanges provide installation flexibility. Common application markets include aerial lift, construction equipment, towing and recovery, and water trucks.Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
