The Chelsea 272 Series PTO assembly, part number 272XAAJP-B5SD or 272XAAJPB5SD, is a 6-bolt hot shift power take-off built for medium-duty mobile equipment. The 272 Series supports intermittent torque up to 300 lb-ft and is available with pneumatic or hydraulic shift. It comes with an integral air control valve and features rotatable flanges for flexible installation. Output shaft options in the 272 Series include a 1-inch round shaft with 1/4-inch key and a 1-1/4-inch round shaft with 5/16-inch key. The series is suited for aerial, construction, towing and recovery, and water truck applications. Contact Pro Gear and Transmission to confirm the correct fit for your specific transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Pneumatic or hydraulic shift with integral air control valve
Intermittent torque rating up to 300 lb-ft
Rotatable flanges for flexible mounting orientation
Wet-spline option available for extended PTO and pump shaft service life
Smart-Start option supports high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Shaft Options: 1" round shaft with 1/4" key; 1-1/4" round shaft with 5/16" key
- Output Power: 56+ HP (41-50 kW)
- Dimensions (H x W x L): 15 x 12 x 14 in.
- NMFC Code: 128520 - Hydraulic PTOs, Pumps, Motors, etc.
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs into a single, unified platform. The series offers nine speed ratios and eighteen shift options. Typical market applications include aerial equipment, construction machinery, towing and recovery vehicles, and water trucks. Parker Chelsea documents available for this series include the 272 Series Parts List (HY25-2272-M1_US), the 272/282/852/885 Series Owner's Manual, and the Chelsea PTO General Information Catalog. Call Pro Gear and Transmission to confirm proper fitment for your transmission and application.Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
