The Chelsea 272 Series Power Take-Off Assembly, part number 272KGJKX-A5BD or 272KGJKXA5BD, is a 6-bolt hot shift PTO designed for medium-duty applications including aerial equipment, construction, towing and recovery, and water trucks. The 272 Series supports up to 300 lb-ft of intermittent torque and consolidates the 230, 231, 236, 238, 270, and 271 series into a single platform. It is available with hydraulic or pneumatic air shift, features an integral air control valve, and offers rotatable flanges for flexible installation. Output shaft options include a 1-inch round shaft with 1/4-inch key and a 1-1/4-inch round shaft with 5/16-inch key. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting, hot shift design with hydraulic or pneumatic air shift options
Integral air control valve included
Up to 300 lb-ft intermittent torque capacity
Rotatable flanges for flexible output positioning
Output shaft options: 1-inch round with 1/4-inch key or 1-1/4-inch round with 5/16-inch key
Wet-spline option available for extended PTO and pump shaft life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Shaft Options: 1" Round Shaft (1/4" Key); 1-1/4" Round Shaft (5/16" Key)
- Output Power: 56+ HP (41-50 kW)
- Integral Air Control Valve: Yes
- Series: Chelsea 272
Additional Information
The Chelsea 272 Series consolidates several earlier Chelsea medium-duty PTO lines, including the 230, 231, 236, 238, 270, and 271 series, into a single versatile platform. The series offers nine speed ratios and eighteen shift options, making it one of the most configurable medium-duty hot shift PTOs available. The Smart-Start feature addresses high-torque start-up conditions common in towing, recovery, and aerial applications. Direct mount configurations can be equipped with optional Wet-Spline technology for reduced wear on the PTO and pump shaft interface. This assembly is sold by Pro Gear and Transmission. Call us to confirm the correct configuration for your specific transmission and equipment.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
