The Chelsea 252DDKUX-B51449 or 252DDKUXB51449 is a hydraulic-shift power takeoff assembly built for 6-bolt mounting on Allison and RAM transmissions. Output is delivered through a 1-inch round shaft with key, rated at up to 120 lb-ft (163 Nm) intermittent torque. Shaft power output reaches 11 HP at 500 RPM and 23 HP at 1,000 RPM. A single hose connection with integrated cartridge valve simplifies hydraulic plumbing, while the Controlled Compression Interface Gasket provides a reliable seal at the transmission mounting face. Weather-tight electrical connectors protect the shift circuit in demanding operating environments. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission configuration.
Features
Hydraulic shift type with single hose connection and integrated cartridge valve
6-bolt mounting for Allison and RAM transmissions
1-inch round output shaft with key
Intermittent torque rated up to 120 lb-ft (163 Nm) - check application pages for actual torque ratings
Shaft power: 11 HP at 500 RPM, 23 HP at 1,000 RPM
Controlled Compression Interface Gasket and weather-tight electrical connectors
Tech Specs
- Intermittent Torque: 120 lb-ft / 163 Nm (check application pages for actual torque ratings)
- Shift Type: Hydraulic
- Mounting Type: 6-Bolt
- Transmission Manufacturer: Allison, RAM
- Output Shaft Type: 1" Round with key
- Shaft Power: 11 HP / 9 kW at 500 RPM; 23 HP / 17 kW at 1,000 RPM
- Output Power: 25 HP / 20 kW and below
Additional Information
