The Chelsea 252DMKUX-B5P82 or 252DMKUXB5P82 is a hydraulic-shift power take-off assembly from the Chelsea 252 Series, designed for Allison and RAM transmission applications. It mounts with a 6-bolt pattern and drives a 1-inch round output shaft with a key. Intermittent torque falls in the 101-200 lb-ft range (verify actual torque rating for your application on Chelsea's application pages). Shaft power is rated at 11 HP at 500 RPM and 23 HP at 1000 RPM, with a continuous operation capability at 30% de-rating. A single-hose hydraulic connection and integrated cartridge valve simplify installation, and the controlled compression interface gasket plus weather-tight electrical connectors keep the unit sealed in demanding service conditions. Call us to confirm proper fit for your transmission and chassis.
The Chelsea 252 Series is engineered for Allison 1000/2000/2400 series automatic transmissions as well as RAM truck applications using compatible automatic transmissions. Typical service applications include tow and recovery, tire service trucks, dump trucks, and aerial equipment. The 252 Series housing is designed to pass through a floor access panel without dropping the exhaust system, reducing installation time. Parker pumps compatible with the 252 Series are available with flows from 1.6 gpm to 8.2 gpm at 1000 RPM, and the PTO and pump can be ordered together under a single part number.
Features
Hydraulic shift, 6-bolt mounting pattern for Allison and RAM transmissions
1-inch round output shaft with key
Intermittent torque: 101-200 lb-ft (confirm actual rating on Chelsea application pages)
Shaft power: 11 HP at 500 RPM, 23 HP at 1000 RPM; continuous operation supported with 30% de-rating
Single hose connection with integrated cartridge valve simplifies installation
Controlled compression interface gasket and weather-tight electrical connectors for sealed, field-ready performance
Tech Specs
- Shift Type: Hydraulic
- Mounting Type: 6-Bolt
- Transmission Manufacturer: Allison, RAM
- Output Shaft Type: 1" Round with Key
- Intermittent Torque: 101-200 lb-ft / 101-200 Nm (120 lb-ft / 163 Nm - check application pages for actual torque rating)
- Output Power: 25 HP and below / 20 kW and below
- Shaft Power: 11 HP at 500 RPM, 23 HP at 1000 RPM / 9 kW at 500 RPM, 17 kW at 1000 RPM
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 252 Series is engineered for Allison 1000/2000/2400 series automatic transmissions as well as RAM truck applications using compatible automatic transmissions. Typical service applications include tow and recovery, tire service trucks, dump trucks, and aerial equipment. The 252 Series housing is designed to pass through a floor access panel without dropping the exhaust system, reducing installation time. Parker pumps compatible with the 252 Series are available with flows from 1.6 gpm to 8.2 gpm at 1000 RPM, and the PTO and pump can be ordered together under a single part number.
