The Chelsea 272 Series power take-off assembly, part number 272NCHVP-N5AC or 272NCHVPN5AC, is a 6-bolt hot shift PTO built for medium-duty work trucks in towing and recovery, aerial, construction, and water truck applications. The 272 Series supports intermittent torque ratings of 201 to 300 lb-ft and continuous output at 56-plus horsepower. It is available with pneumatic or hydraulic shift and features an integral air control valve. The series consolidates earlier Chelsea 230, 231, 236, 238, 270, and 271 PTOs into a single, more flexible platform with nine speed ratios and eighteen shift options. Rotatable flanges and an optional wet-spline output extend pump shaft service life. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Output power: 56-plus HP
Pneumatic or hydraulic shift with integral air control valve
Nine speed ratios, eighteen shift options
Wet-spline output 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 or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56-plus HP (41 to 50 kW continuous)
- Speed Ratios: 9 available
- Shift Options: 18 available
- Output Shaft Type: Round Shaft (1 in. with 1/4 in. key) or Round Shaft (1-1/4 in. with 5/16 in. key)
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series replaces and consolidates the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs. Markets served include aerial, construction equipment, towing and recovery, water trucks, defense, material handling, and water drilling. The direct mount output options include wet-spline technology for longer service life, while driveshaft output configurations include the Smart-Start option designed for demanding high-torque engagement conditions. The 272 Series PTO ships as a complete assembly. Part number 272NCHVP-N5AC is also referenced as SP272NCHVP-N5AC 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.
