The Chelsea 272 Series Power Take-Off Assembly, part number 272XGAJX-P3XV or 272XGAJXP3XV, is a 6-bolt hot shift PTO built for medium-duty truck applications. The 272 Series consolidates several prior Chelsea PTO lines into one platform, supporting up to 300 lb-ft of intermittent torque and continuous-duty operation with a 30% de-rate applied per application guidelines. It is available with pneumatic or hydraulic shift and comes equipped with an integral air control valve. Output shaft options in this series include a 1-inch round shaft with 1/4-inch key or a 1-1/4-inch round shaft with 5/16-inch key. The 272 Series is used in aerial, construction, towing and recovery, and water truck applications. Call us to confirm proper fitment for your specific transmission and truck configuration.
Features
6-bolt mounting configuration for medium-duty hot shift applications
Up to 300 lb-ft intermittent torque (201-300 lb-ft range); continuous torque rated with 30% de-rate per application
Available with pneumatic or hydraulic shift; integral air control valve included
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 service life
Smart-Start option supports high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: De-rated 30% from intermittent rating (see application guidelines)
- Output Power: 56+ HP (41-50 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 Options: X = No Pressure Lube; P = Pressure Lube; W = Wet Spline
- Series: Chelsea 272
Additional Information
The Chelsea 272 Series replaces and consolidates the earlier 230, 231, 236, 238, 270, and 271 Series PTOs into a single updated platform. The 272 Series offers nine speed ratios and eighteen shift options, making it one of the most configurable medium-duty hot shift PTOs in the Chelsea lineup. Typical application markets include aerial work platforms, construction equipment, towing and recovery, water trucks, and material handling. The rotatable flanges allow for flexible installation orientations. Parker Chelsea documents available for this series include the 272 Series Parts List (HY25-2272-M1_US) and the 272/282/852/885 Series Owner's Manual.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
