The Chelsea 272ADKUP-D5RK or 272ADKUPD5RK is a 272 Series hot shift power take-off assembly with 6-bolt mounting. The 272 Series supports up to 300 lb-ft intermittent torque and consolidates the earlier 230, 231, 236, 238, 270, and 271 series into a single platform. Available shift options within this series include pneumatic and hydraulic, and output shaft choices include round shaft configurations. The 272 Series features an integral air control valve, rotatable flanges, and an optional wet-spline output for extended PTO and pump shaft life. Common applications span aerial, construction equipment, towing and recovery, and water truck operations. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 272 Series hot shift PTO with 6-bolt mounting
Intermittent torque rating up to 300 lb-ft (401-500 Nm)
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges for flexible installation
Wet-spline output option for extended PTO and pump shaft service life
Suited for aerial, construction, towing and recovery, and water truck applications
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)
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 series hot shift PTOs into one platform, offering 9 speed ratios and 18 shift options. The Smart Start feature supports high-torque start-up conditions when a driveshaft output is used. Typical markets include aerial, construction equipment, towing and recovery, water trucks, defense, material handling, and water drilling. Part number 272ADKUP-D5RK is also referenced as SP272ADKUP-D5RK 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.
