The Chelsea 272 Series Power Take-Off, part number 272HCLLP-B8XD or 272HCLLPB8XD, is a 6-bolt hot-shift PTO with pneumatic and PowerShift (pneumatic/hydraulic) shift options and an integral air control valve. The output shaft is a 1-1/4" round with a 5/16" key. Continuous torque capability for the 272 Series reaches 300 lb-ft (407 Nm), with intermittent torque rated at 201-300 lb-ft (401-500 Nm). Output power exceeds 56 HP (41-50 kW), with shaft power measuring 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, and RAM, among others. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration for broad transmission compatibility
Pneumatic and PowerShift (pneumatic/hydraulic) shift options with integral air control valve
1-1/4" round output shaft with 5/16" key
Continuous torque rating up to 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, Ford, Aisin, Volvo/Mack, 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
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
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 platform. The series offers nine speed ratios and eighteen shift options, making it one of the most flexible medium-duty PTO configurations available. Direct-mount outputs are available with an optional Wet-Spline feature for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start option, designed for high-torque start-up conditions. Typical applications for the 272 Series include aerial work platforms, towing and recovery, construction equipment, water trucks, and material handling. Part number 272HCLLP-B8XD is sold by Pro Gear and Transmission. Call us to confirm this unit matches your transmission and application before ordering.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
