The Chelsea 272RCKUP-B3RY is a 6-bolt hot shift power take-off from the Chelsea 272 Series, designed for medium-duty applications including aerial equipment, towing and recovery, construction equipment, and water trucks. The 272 Series supports up to 300 lb-ft of intermittent torque and is available with pneumatic or hydraulic shift. It features an integral air control valve, rotatable flanges, and the option for wet-spline output for extended PTO and pump shaft service life. The 272 Series consolidates and replaces the 230, 231, 236, 238, 270, and 271 Series into a single versatile platform with nine speed ratios and eighteen shift options.
Features
6-bolt mounting configuration
Hot shift design with pneumatic or hydraulic shift
Up to 300 lb-ft intermittent torque (272 Series)
Integral air control valve included
Rotatable flanges for flexible installation
Wet-spline option for extended PTO and pump shaft life
Smart-Start option available for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque (Series): 201 to 300 lb-ft (401 to 500 Nm)
- Output Power (Series): 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 (Series): 9
- Shift Options Available (Series): 18
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 Series PTOs into a single medium-duty hot shift platform. Markets served include aerial, construction equipment, towing and recovery, water trucks, defense, material handling, and water drilling. The series is compatible with direct-mount and driveshaft output configurations. Wet-spline technology is optionally available for direct-mount applications to extend the service life of the PTO and mating pump shaft.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
