The Chelsea 272 Series power take-off assembly, part number 272GMAJX-P3XV or 272GMAJXP3XV, is a 6-bolt hot shift PTO designed for medium-duty truck applications in aerial, construction, towing and recovery, and water truck markets. The 272 Series supports intermittent torque of 201 to 300 lb-ft and is available with either pneumatic or hydraulic shift, with an integral air control valve included. This part carries pressure lube per the "P" designation in its part number suffix. The 272 Series consolidates multiple legacy Chelsea PTO lines into a single platform, offering nine speed ratios and eighteen shift options, rotatable flanges, and a wet-spline option for extended PTO and pump shaft service life. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt mounting configuration
Hot shift operation with pneumatic or hydraulic shift options
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Integral air control valve included
Pressure lube configuration ("P" in part number)
Rotatable flanges; wet-spline option for extended component life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic (Hot Shift)
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56+ HP (41 to 50 kW)
- Lubrication: Pressure Lube
- Output Shaft Options: Round Shaft 1 in. with 1/4 in. key; Round Shaft 1-1/4 in. with 5/16 in. key
- Speed Ratios Available (Series): 9
- Shift Options Available (Series): 18
Additional Information
The Chelsea 272 Series consolidates and replaces the legacy 230, 231, 236, 238, 270, and 271 Series PTOs into a single versatile platform. Markets served include aerial equipment, construction equipment, towing and recovery, water trucks, material handling, and defense. The Smart Start option is available within the series for high-torque start-up conditions. Part number 272GMAJX-P3XV is also referenced as SP272GMAJX-P3XV. Contact Pro Gear and Transmission to verify the correct fit for your specific transmission and vehicle application.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
