The Chelsea 252 Series Power Take-Off Assembly, part number 252RDKUX-B51116 or 252RDKUXB51116, is a hydraulic-shift PTO built for Allison and RAM automatic transmissions on a 6-bolt mounting pattern. The output shaft is a 1-inch round shaft with a keyway. Intermittent torque ratings fall in the 101-200 lb-ft range; confirm actual ratings on the Chelsea application pages for your specific chassis. Shaft power is rated at 11 HP at 500 RPM and 23 HP at 1000 RPM, with continuous operation supported at a 30% de-rating. The compact housing is designed to pass through a floor access panel without dropping the exhaust, saving installation time. Call us to confirm proper fit for your transmission and chassis.
Features
Hydraulic shift type with single hose connection and integrated cartridge valve
6-bolt mounting pattern for Allison and RAM automatic transmissions
1-inch round output shaft with keyway
Intermittent torque: 101-200 lb-ft range (verify actual rating on Chelsea application pages)
Shaft power: 11 HP at 500 RPM, 23 HP at 1000 RPM
Controlled Compression Interface Gasket and weather-tight electrical connectors
Tech Specs
- Intermittent Torque: 101-200 lb-ft / 101-200 Nm (see Chelsea application pages for actual torque ratings)
- Shift Type: Hydraulic
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-inch round with keyway
- 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
- Transmission Manufacturer: Allison, RAM
- Continuous Operation: Yes, with 30% de-rating
Additional Information
