The Chelsea 272HSLLP-B8RB is a 272 Series 6-bolt hot shift power take-off assembly, sold by Pro Gear and Transmission. The 272 Series consolidates multiple predecessor Chelsea PTO lines into one medium-duty platform rated for intermittent torque of 201-300 lb-ft (401-500 Nm) and output power of 56+ HP. This series supports both pneumatic and hydraulic shift options and comes with an integral air control valve. Rotatable flanges allow flexible installation. The 272 Series is used across aerial, construction, towing and recovery, and water truck applications. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting configuration for medium-duty hot shift applications
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW)
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges for flexible installation orientation
Smart-Start option available for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Type: Round Shaft (1-1/4" with 5/16" key) or Round Shaft (1" with 1/4" key)
- Lubricant Options: No Pressure Lube, Pressure Lube, or Wet Spline
Additional Information
The Chelsea 272 Series replaces and consolidates the 230, 231, 236, 238, 270, and 271 Series PTOs. The 272 Series offers nine speed ratios and eighteen 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 life. Driveshaft output versions can include the Smart-Start feature for demanding high-torque engagement conditions. Typical markets include aerial equipment, construction, towing and recovery, defense, material handling, water drilling, and other mobile applications. Part number 272HSLLP-B8RB or 272HSLLPB8RB. Also referenced as SP272HSLLP-B8RB in some catalog listings.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
