The Chelsea 272 Series Power Take-Off Assembly, part number 272XDAJX-B3BD or 272XDAJXB3BD, is a 6-bolt hot shift PTO designed for medium-duty applications including aerial, construction, towing and recovery, and water truck equipment. The 272 Series supports intermittent torque ratings of 201 to 300 lb-ft (401 to 500 Nm) and is available with either pneumatic or hydraulic shift. It includes an integral air control valve and features rotatable flanges for flexible installation. Output shaft options within the series include a round shaft with a 1-inch, 1/4-inch key or a 1-1/4-inch shaft with a 5/16-inch key. The 272 consolidates several earlier Chelsea series into a single versatile platform. 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 to 500 Nm)
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges for flexible mounting orientation
Wet-spline option available for extended PTO and pump shaft service life
Smart-Start option for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Shaft Options: Round shaft, 1 in. with 1/4 in. key; or 1-1/4 in. with 5/16 in. key
- Output Power: 56+ HP (41 to 50 kW)
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 Series into a single medium-duty hot shift platform. The series offers nine speed ratios and eighteen shift options, covering the most common direct-mount and driveshaft output configurations. Direct-mount options include the optional Wet-Spline design for longer service intervals on PTO and pump shafts. Driveshaft output configurations can include the Smart-Start feature, which handles high-torque engagement conditions. The 272 Series is used across aerial, construction, towing and recovery, water truck, material handling, and defense applications.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
