The Chelsea 272 Series power take-off assembly, part number 272XGAJP-A3BD or 272XGAJPA3BD, is a 6-bolt hot shift PTO built for medium-duty work cycles in aerial, construction, towing and recovery, and water truck applications. The 272 Series supports intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and output power of 56-plus HP (41-50 kW). Shift options include pneumatic (air) and hydraulic, and the series comes with an integral air control valve. Output shaft choices span a 1-inch round shaft with 1/4-inch key and a 1-1/4-inch round shaft with 5/16-inch key. The 272 consolidates multiple earlier Chelsea medium-duty PTO series into a single, flexible platform. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt mounting configuration
Hot shift operation with air (pneumatic) or hydraulic shift options
Intermittent torque rating: 201 to 300 lb-ft (401-500 Nm)
Output power: 56-plus HP (41-50 kW)
Round shaft output: 1-inch with 1/4-inch key or 1-1/4-inch with 5/16-inch key
Integral air control valve included; wet-spline and Smart-Start options available within series
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 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 Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Part Number: 272XGAJP-A3BD or 272XGAJPA3BD
Additional Information
The Chelsea 272 Series consolidates earlier Chelsea medium-duty hot shift PTO lines, including the 230, 231, 236, 238, 270, and 271 Series, into a single platform. It offers nine speed ratios and eighteen shift configurations, making it one of the most adaptable 6-bolt hot shift PTOs in the medium-duty segment. Direct-mount output options support the optional Wet-Spline feature for extended PTO and pump shaft service life. Driveshaft output configurations are compatible with the Smart-Start option, which handles high-torque start-up conditions. Common markets for this series include aerial lift trucks, towing and recovery, construction equipment, and water trucks.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
