The Chelsea 272HKLLP-B8RE or 272HKLLPB8RE is a 272 Series hot shift power take-off built on a 6-bolt mount. Output is delivered through a 1-1/4" round shaft with a 5/16" key. The unit operates with pneumatic or PowerShift (pneumatic/hydraulic) engagement and includes 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 of 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Ford, Aisin, and RAM. The 272 Series consolidates and supersedes Chelsea's earlier 230, 231, 236, 238, 270, and 271 Series designs. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration
Pneumatic or PowerShift (pneumatic/hydraulic) engagement with integral air control valve
1-1/4" round output shaft with 5/16" key
Continuous torque rating: 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
Compatible with Allison, Eaton/Fuller, Volvo/Mack, Ford, Aisin, and RAM transmissions
Supersedes Chelsea 230, 231, 236, 238, 270, and 271 Series designs
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 shaft 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 Transmissions: Allison, Eaton/Fuller, Volvo/Mack, Ford, Aisin, RAM, and other select manufacturers
Additional Information
The Chelsea 272 Series consolidates six earlier PTO families - the 230, 231, 236, 238, 270, and 271 Series - into a single versatile platform. The series offers nine speed ratios and 18 shift options, covering the most common direct-mount and driveshaft output configurations. Direct-mount versions are available with optional Wet-Spline technology for extended PTO and pump shaft service life. Driveshaft output versions include the Smart-Start feature, designed for high-torque engagement conditions. Flanges are rotatable to accommodate various installation angles. Typical application markets include aerial work platforms, towing and recovery, 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.
