The Chelsea 272 Series power take-off assembly, part number 272XGAJX-V5RB or 272XGAJXV5RB, is a 6-bolt hot shift PTO designed for medium-duty applications including aerial, towing and recovery, construction equipment, and water trucks. The 272 Series supports up to 300 lb-ft of intermittent torque and consolidates the earlier 230, 231, 236, 238, 270, and 271 series into one versatile platform. Shift options include pneumatic (air) and hydraulic. The series features a rotatable flange, an integral air control valve, and an optional wet-spline output for extended PTO and pump shaft life. A Smart Start option is available for high-torque startup conditions. Available output shaft types in the 272 Series include 1-inch round shaft with 1/4-inch key and 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 configuration for medium-duty hot shift applications
Supports up to 300 lb-ft intermittent torque (201-300 lb-ft range)
Pneumatic (air) or hydraulic shift with integral air control valve
Rotatable flanges for flexible installation
Wet-spline output option for extended PTO and pump shaft service life
Smart Start option supports high-torque startup conditions
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 Options: 1-inch round shaft with 1/4-inch key; 1-1/4-inch round shaft with 5/16-inch key
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates six earlier PTO series (230, 231, 236, 238, 270, and 271) into a single platform. It offers 9 speed ratios and 18 shift options, covering the most common direct-mount and driveshaft output configurations. Applications include aerial equipment, towing and recovery, construction equipment, water trucks, material handling, and defense. The direct-mount configurations offer an optional wet-spline interface for longer component life; driveshaft output models can be ordered with the Smart Start feature to manage high-torque engagement conditions. Part number 272XGAJX-V5RB is also referenced as SP272XGAJX-V5RB in some catalog systems.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
