The Chelsea 252RMKUX-B51137 or 252RMKUXB51137 is a Parker Chelsea 252 Series Power Take-Off designed for Allison 1000, 2000, and 2400 series automatic transmissions as well as Aisin automatic transmissions used in Dodge/RAM truck chassis. The 252 Series uses hydraulic shift with a 6-bolt mounting configuration and features an integrated cartridge valve with a single hose connection, eliminating remote solenoid routing. The housing is designed to pass through a floor access panel without dropping the exhaust system. Output options include an SAE A pump flange and driveline configurations. Shaft power is rated at 11 HP at 500 RPM and 23 HP at 1000 RPM, with intermittent torque up to 120 lb-ft. Call us to confirm proper fit for your specific application.
Features
252 Series PTO built for Allison 1000/2000/2400 and Aisin automatic transmissions in Dodge/RAM chassis
Hydraulic shift with 6-bolt mounting
Integrated cartridge valve and single hose connection for simplified installation
Housing designed to fit through floor access panel without removing exhaust system
Shaft power: 11 HP at 500 RPM, 23 HP at 1000 RPM; intermittent torque up to 120 lb-ft
SAE A pump flange and driveline output options available
Tech Specs
- Shift Type: Hydraulic
- Mounting Type: 6-Bolt
- Output Type: SAE A Pump Flange, Driveline
- Shaft Power: 11 HP (500 RPM), 23 HP (1000 RPM)
- Intermittent Torque: 120 lb-ft (163 Nm) - check application pages for actual torque rating
- Continuous Operation: Yes, with 30% de-rating
- Transmission Compatibility: Allison 1000, 2000, 2400 Series; Aisin automatic; Dodge/RAM
- Output Shaft Options: Round shaft (1-1/4" key), SAE A (5/8" - 9T) pump spline, 3/4" - 11T pump spline
Additional Information
The Chelsea 252 Series PTO is suited for vocational and municipal equipment applications including tow and recovery, tire service trucks, dump trucks, and aerial units. A range of Parker pumps is available for use with this PTO, with 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. Weather-tight electrical connectors and a Controlled Compression Interface Gasket are standard features of the 252 Series design.Parts Manual: Chelsea 252 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
