The Chelsea 272GAHVP-B3XD or 272GAHVPB3XD is a 272 Series hot shift, 6-bolt power take-off assembly with a 1-1/4" round output shaft and a 5/16" keyway. It ships with an integral air control valve 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 output is 29 HP at 500 RPM and 57 HP at 1,000 RPM. The 272 Series is compatible with transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers. Common applications include aerial, towing and recovery, construction equipment, and water trucks. Call us to confirm proper fitment for your transmission and application.
Features
6-bolt mounting configuration
Pneumatic and PowerShift (pneumatic/hydraulic) shift options with integral air control valve
1-1/4" round output shaft with 5/16" keyway
Continuous torque up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Shaft output: 29 HP at 500 RPM, 57 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 300 lb-ft (407 Nm) - see application pages for actual torque ratings
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Output Power: 56+ HP (41-50 kW)
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
- Mounting Bolt Hole Quantity: 6
- Cross References: 1450-272GAHVPB3XD, 1450272GAHVPB3XD, CHL272GAHVPB3XD
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series hot shift PTOs into a single platform. The series offers 9 speed ratios and 18 shift options. Direct-mount configurations are available with optional Wet-Spline technology for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start option, designed for high-torque start-up conditions. Rotatable flanges allow flexible installation. The 272 Series serves aerial, construction equipment, towing and recovery, water truck, defense, material handling, and water drilling applications. Not sure this part fits your transmission or application? Give us a call.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
