The Chelsea 272NAHVP-A3RK is a 6-bolt hot shift Power Take-Off from the Chelsea 272 Series, designed for medium-duty 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 to 500 Nm) and is available with pneumatic or hydraulic shift. This unit features an integral air control valve and rotatable flanges. The 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 Chelsea PTO families into one versatile platform with nine speed ratios and eighteen shift options. Available with wet-spline and Smart-Start options for demanding applications. Sold by Pro Gear and Transmission.
Features
Chelsea 272 Series 6-bolt hot shift PTO
Intermittent torque: 201 to 300 lb-ft (401 to 500 Nm)
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges for flexible installation
Consolidates Chelsea 230, 231, 236, 238, 270, and 271 series into one platform
Suited for aerial, construction, water truck, and towing and recovery applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic 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 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 Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series replaces and consolidates the earlier Chelsea 230, 231, 236, 238, 270, and 271 Series PTOs into a single medium-duty hot shift platform. The series supports wet-spline technology on direct-mount outputs for extended PTO and pump shaft service life, and the Smart-Start option addresses high-torque start-up conditions common in towing, recovery, and construction applications. Markets served include aerial, construction equipment, water trucks, towing and recovery, defense, material handling, and water drilling.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
