The Chelsea 272 Series power take-off assembly, part number 272MDAJP-D5XD or 272MDAJPD5XD, is a 6-bolt hot shift PTO built for medium-duty applications in aerial, construction, towing and recovery, and water truck service. The 272 Series supports intermittent torque ratings from 201 to 300 lb-ft and continuous output above 56 HP. Shift options include pneumatic or hydraulic, and the unit comes with an integral air control valve. The series offers rotatable flanges, wet-spline output options for extended pump shaft life, and a Smart Start feature for high-torque engagement conditions. Call us to confirm proper fit for your transmission and application.
Features
6-bolt hot shift mounting configuration
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 installation
Wet-spline output option for extended PTO and pump shaft 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 Power: 56+ HP (41 to 50 kW)
- Output Shaft Options: Round shaft with 1 in. - 1/4 in. key, or round shaft with 1-1/4 in. - 5/16 in. key
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- NMFC Code: 128520 - Hydraulic PTOs, Pumps, Motors, etc.
Additional Information
The Chelsea 272 Series consolidates several prior medium-duty hot shift PTO lines into a single, flexible platform. It offers nine speed ratios and eighteen shift configurations, covering the most popular direct-mount and driveshaft output arrangements. Direct-mount configurations include the optional wet-spline design for longer component life. Driveshaft output versions include the Smart Start feature, which manages engagement under high-torque start-up loads. Typical service markets include aerial work platforms, construction equipment, towing and recovery, and water trucks. Part number 272MDAJP-D5XD is sold by Pro Gear and Transmission. Call us to confirm this assembly matches your transmission and application requirements.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
