The Chelsea 272GAHVP-G3RY or 272GAHVPG3RY is a 272 Series hot shift power take-off assembly from Parker Chelsea, designed for medium-duty truck applications in aerial, construction, towing and recovery, and water truck service. The 272 Series mounts via a 6-bolt pattern and is available with hydraulic or pneumatic (air) shift, with an integral air control valve included. The series supports intermittent torque from 201 to 300 lb-ft (401-500 Nm) and output power of 56 HP or more. Output shaft options across the series include round shaft configurations. Rotatable flanges and a Wet-Spline output option for extended PTO and pump shaft life are among the series' defining features. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Hydraulic or pneumatic (air) shift with integral air control valve
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW range across series)
Rotatable flanges for flexible installation
Wet-Spline output option for extended PTO and pump shaft service life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP
- Integral Air Control Valve: Included
- Wet-Spline Option: Available
- Smart-Start Option: Available for high-torque start-up conditions
- Applications: Aerial, Construction Equipment, Towing and Recovery, Water Trucks
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs into a single versatile platform. With nine available speed ratios and eighteen shift configurations, the 272 Series offers broad compatibility across truck transmissions used in aerial, construction, towing and recovery, water truck, defense, and material handling markets. The Smart-Start feature supports high-torque engagement conditions, making it well suited for demanding start-up cycles. Part number 272GAHVP-G3RY or 272GAHVPG3RY is sold by Pro Gear and Transmission. Call us to confirm this assembly is the correct fit for your transmission and equipment.Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
