The Chelsea 272HKLLP-B8RY or 272HKLLPB8RY is a 6-bolt medium-duty hot-shift power take-off from Parker Chelsea's 272 Series. It mounts pneumatically or via PowerShift (pneumatic/hydraulic) and delivers a 1-1/4" round output shaft with a 5/16" key. Continuous torque capability reaches 300 lb-ft (407 Nm), with intermittent torque in the 201-300 lb-ft (401-500 Nm) range; check application pages for de-rated torque values specific to your installation. Output power is rated at 56+ HP (41-50 kW), and shaft power at 1,000 RPM is 57 HP (43 kW). Compatible transmission families include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your application.
Features
6-bolt mounting for broad transmission compatibility including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
1-1/4" round output shaft with 5/16" key
Pneumatic shift and PowerShift (pneumatic/hydraulic) options
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Shaft power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
Integral air control valve included in the 272 Series design
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 300 lb-ft (407 Nm) - check application pages for de-rated 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)
- Shaft Power at 1,000 RPM: 57 HP (43 kW)
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, Other
Additional Information
The 272 Series consolidates and replaces Chelsea's earlier 230, 231, 236, 238, 270, and 271 series medium-duty hot-shift PTOs. The series features rotatable flanges, an integral air control valve, and an optional Wet-Spline configuration for extended PTO and pump shaft service life. A Smart-Start option is available for high-torque start-up conditions. Typical application markets include towing and recovery, aerial work, construction equipment, and water trucks.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
