The Chelsea 272 Series Power Take-Off Assembly, part number 272XKAJX-P3XR or 272XKAJXP3XR, is a 6-bolt hot shift PTO designed for medium-duty applications in towing and recovery, aerial, construction equipment, and water truck work. The 272 Series delivers intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and supports output power of 56+ HP. It is available with pneumatic or hydraulic shift and includes an integral air control valve. Output shaft options span both 1-inch round shaft with 1/4-inch key and 1-1/4-inch round shaft with 5/16-inch key. Rotatable flanges and optional Wet-Spline technology extend pump shaft service life. This is a genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Intermittent torque rating: 201 to 300 lb-ft (401-500 Nm)
Pneumatic or hydraulic shift with integral air control valve
Output shaft options: 1-inch round (1/4-inch key) or 1-1/4-inch round (5/16-inch key)
Rotatable flanges for flexible installation
Optional Wet-Spline technology for extended PTO and pump shaft life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56+ HP (41 to 50 kW)
- Output Shaft Option 1: 1-inch round shaft with 1/4-inch key
- Output Shaft Option 2: 1-1/4-inch round shaft with 5/16-inch key
- Lubricant Code P: Pressure Lube
- Applications: Towing and Recovery, Aerial, Construction Equipment, Water Trucks
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs. The 272 Series offers nine speed ratios and eighteen shift configurations, making it one of the most configurable 6-bolt hot shift PTOs available. The Smart Start option addresses high-torque start-up conditions common in demanding mobile equipment work. Markets served include aerial, construction equipment, defense, material handling, water drilling, and other mobile applications.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
