The Chelsea 252RMKUX-B5P42 or 252RMKUXB5P42 is a 252 Series Power Take-Off built for Allison 1000/2000/2400 series automatic transmissions and Aisin automatic transmissions used in Dodge/RAM truck chassis. It mounts via a 6-bolt pattern and uses hydraulic shift actuation. The 252 Series is designed with an integrated cartridge valve and a single hose connection, eliminating remote solenoids and reducing installation complexity. The housing is sized to pass through a floor access panel without dropping the exhaust system. Output options in the series include an SAE A pump flange and driveline configurations. Shaft power in the series is rated at 11 HP at 500 RPM and 23 HP at 1000 RPM. Call us to confirm this part number fits your specific transmission and application.
Features
Chelsea 252 Series Power Take-Off, part number 252RMKUX-B5P42 or 252RMKUXB5P42
6-bolt transmission mounting pattern
Hydraulic shift actuation
Integrated cartridge valve with single hose connection for simplified installation
Housing designed to fit through floor access panel without exhaust removal
Series shaft power: 11 HP at 500 RPM, 23 HP at 1000 RPM
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic
- Output Type: SAE A Pump Flange, Driveline
- Transmission Compatibility: Allison 1000/2000/2400 Series, Aisin Automatic, Dodge/RAM
- Series Shaft Power: 11 HP (500 RPM), 23 HP (1000 RPM)
- Series Intermittent Torque: up to 120 lb-ft (check application pages for actual rating)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The 252 Series integrates with Parker's special pump lineup, which covers flows from 1.6 gpm to 8.2 gpm at 1000 RPM. The PTO and pump can be ordered together under a single part number. Markets served by this series include aerial, vocational and municipal equipment, tow and recovery, tire service trucks, dump trucks, and other mobile applications. The 252 Series features Weather Tight Electrical Connectors and a Controlled Compression Interface Gasket.Parts Manual: Chelsea 252 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
