The Chelsea 272HDLLP-B8XD or 272HDLLPB8XD is a 272 Series Hot Shift power take-off built on a 6-bolt mounting pattern. It delivers a 1-1/4" round output shaft with a 5/16" key and supports both pneumatic and PowerShift (pneumatic/hydraulic) engagement. The 272 Series carries a continuous torque rating up to 300 lb-ft (407 Nm) and an intermittent torque range of 201-300 lb-ft (401-500 Nm), with shaft power of 29 HP at 500 RPM or 57 HP at 1,000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Ford, Aisin, and RAM. The 272 Series consolidates the older 230, 231, 236, 238, 270, and 271 Chelsea PTO lines into a single platform. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern for direct transmission attachment
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 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
Compatible with Allison, Eaton/Fuller, Volvo/Mack, Ford, Aisin, 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, Volvo/Mack, Ford, Aisin, RAM
Additional Information
The Chelsea 272 Series consolidates several previous Chelsea medium-duty hot-shift PTO lines - including the 230, 231, 236, 238, 270, and 271 Series - into a single, unified platform. The 272 Series offers nine speed ratios and eighteen shift options. Direct-mount configurations include an optional Wet-Spline design for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start option, suited to high-torque start-up conditions. Rotatable flanges allow flexible installation orientation. The 272 Series is used in aerial, towing and recovery, construction equipment, and water truck applications.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
