The Chelsea 272RBKUP-G3RF or 272RBKUPG3RF is a 272 Series hot shift power take-off assembly featuring a 6-bolt mounting configuration and up to 300 lb-ft intermittent torque capacity. The 272 Series consolidates several earlier Chelsea PTO lines, including the 230, 231, 236, 238, 270, and 271 Series, into a single versatile platform. Shift is pneumatic or hydraulic, and the series supports nine speed ratios and eighteen shift configurations. Direct mount outputs are available with optional Wet-Spline technology for extended service life; driveshaft outputs include the Smart-Start option for high-torque start-up conditions. The 272 Series is applied across aerial, towing and recovery, construction, and water truck vocations. Call us to confirm proper fit and configuration for your transmission and application.
Features
Chelsea 272 Series hot shift PTO assembly, part 272RBKUP-G3RF
6-bolt mounting configuration
Pneumatic or hydraulic shift with integral air control valve
Up to 300 lb-ft intermittent torque capacity
Nine speed ratios and eighteen shift options available within the 272 Series
Optional Wet-Spline output for extended PTO and pump shaft life; Smart-Start option for high-torque start-up
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 Options: Round Shaft 1 in. with 1/4 in. key; Round Shaft 1-1/4 in. with 5/16 in. key
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Series Consolidates: Chelsea 230, 231, 236, 238, 270, and 271 Series
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
