The Chelsea 272XMAJX-J3RK is a 272 Series hot shift power take-off assembly built on a 6-bolt mount. The 272 Series supports intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and delivers 56 or more horsepower output. Shift options include pneumatic (air) or hydraulic operation, and the series ships with an integral air control valve as standard. Output shaft configurations within the 272 Series cover round shaft options with either a 1-inch with 1/4-inch key or 1-1/4-inch with 5/16-inch key. Rotatable flanges add installation flexibility. The 272 Series is used in aerial, construction equipment, towing and recovery, and water truck applications. Call us to confirm proper fitment for your transmission and chassis.
Features
272 Series 6-bolt mounting configuration
Hot shift operation with pneumatic or hydraulic shift options
Intermittent torque rating: 201 to 300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW)
Integral air control valve included
Rotatable flanges for flexible installation
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (Air) or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56+ HP (41 to 50 kW)
- Output Shaft Type: Round Shaft - 1 in. with 1/4 in. key or 1-1/4 in. with 5/16 in. key
- Dimensions (H x W x L): 15 in. x 12 in. x 14 in.
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 updated platform. The series offers nine speed ratios and eighteen shift options. The Wet-Spline option (where applicable) extends PTO and pump shaft service life, while the Smart Start option addresses high-torque start-up conditions. Common applications for the 272 Series include aerial work platforms, construction equipment, towing and recovery rigs, and water trucks. Part number 272XMAJX-J3RK is also referenced as 272XMAJXJ3RK.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
