The Chelsea 272 Series PTO Assembly, part number 272XGAJX-P5RB or 272XGAJXP5RB, is a 6-bolt hot shift power take-off built for medium-duty 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 or more horsepower output. Both pneumatic (air shift) and hydraulic shift configurations are available within the series, and the unit includes an integral air control valve. Rotatable flanges and the optional Wet-Spline technology help extend PTO and pump shaft service life. The 272 Series consolidates several earlier Chelsea PTO lines into a single flexible platform with nine speed ratios and eighteen shift options. Available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Interchanges:
- SP272XGAJX-P5RB
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW)
Pneumatic (air shift) and hydraulic shift options with integral air control valve
Rotatable flanges for flexible installation
Wet-Spline option available for extended PTO and pump shaft life
Smart-Start option supports 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 in. with 1/4 in. key) or Round Shaft (1-1/4 in. with 5/16 in. key)
- Speed Ratios Available: 9
- Shift Options Available: 18
- Lubricant Coding: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Part Number: 272XGAJX-P5RB or 272XGAJXP5RB
Additional Information
The Chelsea 272 Series consolidates earlier Chelsea PTO lines including the 230, 231, 236, 238, 270, and 271 Series into a single medium-duty platform. Markets served include aerial, construction equipment, water trucks, towing and recovery, material handling, defense, water drilling, and other mobile applications. The direct mount output options include the optional Wet-Spline technology for longer component life, while driveshaft output configurations include the Smart-Start option designed for demanding high-torque start-up conditions.Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
