The Chelsea 272HSLLP-B8XD or 272HSLLPB8XD is a 272 Series hot-shift power take-off designed for medium-duty applications including towing and recovery, aerial work, construction equipment, and water trucks. It mounts via a 6-bolt pattern and shifts pneumatically or via PowerShift (pneumatic/hydraulic). The output is a 1-1/4" round shaft with a 5/16" key. Intermittent torque is rated at 201-300 lb-ft (401-500 Nm), with continuous torque up to 300 lb-ft (407 Nm) - consult the Chelsea application pages to confirm actual torque ratings for your specific installation. The 272 Series is compatible with transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and others. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) shift operation
Intermittent torque: 201-300 lb-ft (401-500 Nm)
Continuous torque up to 300 lb-ft (407 Nm) - verify rating on Chelsea application pages
Compatible transmissions include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: Up to 300 lb-ft (407 Nm) - Check Chelsea 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 at 500 RPM: 29 HP (21 kW); at 1000 RPM: 57 HP (43 kW)
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and Other
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot-shift PTOs into a single, more versatile platform. The series features rotatable flanges, an integral air control valve, and optional Wet-Spline technology for extended PTO and pump shaft service life. A Smart Start option is available for high-torque start-up conditions. The 272 Series carries nine available speed ratios and eighteen shift options, giving it broad application flexibility across aerial, construction, towing and recovery, and water truck markets.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
