The Chelsea 272 Series PTO assembly, part number 272GDHVP-B5RB or 272GDHVPB5RB, is a 6-bolt hot shift power take-off designed for medium-duty commercial truck applications including aerial, construction equipment, water trucks, and towing and recovery. The 272 Series supports intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and delivers 56-plus HP output. Shift options include pneumatic (air) and hydraulic. The series offers rotatable flanges, an integral air control valve, and an optional wet-spline output for extended PTO and pump shaft service life. Chelsea's Smart-Start feature is available for high-torque start-up conditions. A genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Output power: 56+ HP (41 to 50 kW)
Pneumatic (air) or hydraulic shift with integral air control valve
Rotatable flanges for flexible installation
Wet-spline option for extended PTO and pump shaft life
Smart-Start option for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (Air) or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56+ HP (41 to 50 kW)
- Output Shaft Type: Round Shaft (1-1/4" with 5/16" Key) or Round Shaft (1" with 1/4" Key)
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Part Number: 272GDHVP-B5RB or 272GDHVPB5RB
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 updated platform. It offers nine speed ratios and eighteen shift configurations, making it one of the most adaptable medium-duty PTOs Chelsea has produced. Direct-mount output options include the optional Wet-Spline technology for longer component life, while driveshaft output configurations can include the Smart-Start feature for applications with high-torque start-up demands. Markets served include aerial lift, construction equipment, towing and recovery, water trucks, defense, and material handling.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
