The Chelsea 272ABKUP-G5RK is a 272 Series hot shift power take-off assembly built on a 6-bolt mount. The 272 Series consolidates several earlier medium-duty Chelsea PTO lines into one platform, supporting intermittent torque up to 300 lb-ft (401-500 Nm) and output power of 56+ HP. Shift options span both pneumatic and hydraulic configurations, and the series includes an integral air control valve. Direct-mount outputs are available with optional Wet-Spline technology for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start option for high-torque startup conditions. The 272 Series covers applications in towing and recovery, aerial work, construction, and water trucks. Call us to confirm proper fit for your transmission and application.
Features
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 or hydraulic shift with integral air control valve
Wet-Spline option for extended PTO and pump shaft life
Smart-Start option available for high-torque startup 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" - 1/4" Key) or Round Shaft (1-1/4" - 5/16" Key)
- Lubricant Code: 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 PTO lines into a single medium-duty hot shift platform. The series offers nine speed ratios and eighteen shift options, covering direct-mount and driveshaft output configurations. Typical markets include aerial, construction equipment, towing and recovery, water trucks, material handling, and defense. Rotatable flanges allow flexible installation orientation. Part number 272ABKUP-G5RK or 272ABKUPG5RK.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
