The Chelsea 272UMMGP-V3RF is a 6-bolt, medium-duty hot shift Power Take-Off from the Chelsea 272 Series. The 272 Series consolidates multiple earlier Chelsea PTO lines into a single platform with nine speed ratios, eighteen shift options, and intermittent torque capability up to 300 lb-ft. Both pneumatic and hydraulic shift configurations are available, and the series features an integral air control valve. Output options span round shaft with 1-inch or 1-1/4-inch keyed configurations. The 272 Series is applied across aerial, construction, towing and recovery, and water truck markets. Part number 272UMMGP-V3RF or SP272UMMGP-V3RF. Available from Pro Gear and Transmission.
Features
Chelsea 272 Series 6-bolt mounting configuration
Hot shift operation with pneumatic or hydraulic shift options
Intermittent torque rating up to 300 lb-ft per 272 Series specification
Integral air control valve included
Nine speed ratios and eighteen shift options within the 272 Series
Round shaft output available in 1-inch and 1-1/4-inch keyed options
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (air) or Hydraulic
- Intermittent Torque (Series): 201 to 300 lb-ft / 401 to 500 Nm
- Output Shaft Type: Round Shaft (1" - 1/4" Key) or Round Shaft (1-1/4" - 5/16" Key)
- Output Power (Series): 56+ HP / 41 to 50 kW
- Speed Ratios Available: 9
- Shift Options Available: 18
- Integral Air Control Valve: Yes
Additional Information
The Chelsea 272 Series was designed to replace the earlier 230, 231, 236, 238, 270, and 271 Series PTOs, consolidating those lines into one medium-duty hot shift platform. The series includes an optional Wet-Spline feature for extended PTO and pump shaft service life on direct-mount applications, and a Smart-Start option for high-torque engagement conditions. Common market applications include aerial equipment, construction equipment, towing and recovery, and water trucks. The alternate part reference for this unit is SP272UMMGP-V3RF.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
