The Chelsea 252RMKUX-B51121 or 252RMKUXB51121 is a 252 Series Power Take-Off built for Allison 1000/2000/2400 series automatic transmissions and Aisin automatic transmissions used in Dodge/RAM trucks. The 252 Series uses a 6-bolt mounting configuration and hydraulic shift actuation. Output options in the series include an SAE A pump flange and driveline configurations, with shaft outputs rated at 11 HP at 500 RPM and 23 HP at 1,000 RPM. The integrated cartridge valve and single hose connection simplify installation, and the housing is designed to pass through a floor access panel without requiring removal of the exhaust system. Available from Pro Gear and Transmission.
Features
6-bolt mounting configuration with hydraulic shift actuation
Compatible with Allison 1000, 2000, and 2400 series and Aisin automatic transmissions in Dodge/RAM applications
SAE A pump flange and driveline output options
Shaft power rated at 11 HP at 500 RPM and 23 HP at 1,000 RPM
Integrated cartridge valve with single hose connection for simplified installation
Housing designed to fit through floor access panel without dropping the exhaust
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic
- Output Type: SAE A Pump Flange, Driveline
- Output Shaft Options: Round Shaft (1-1/4" Key), SAE A (5/8" - 9T) Pump Spline, 3/4" - 11T Pump Spline
- Shaft Power: 11 HP (500 RPM), 23 HP (1,000 RPM); 9 kW (500 RPM), 17 kW (1,000 RPM)
- Intermittent Torque: 101-200 lb-ft series range (see application pages for this part number's actual rating)
- Continuous Operation: Yes, with 30% de-rating
- Lubricant: Pressure lube or no-pressure lube depending on configuration
- Transmission Compatibility (Series): Allison 1000/2000/2400, Aisin, Dodge/RAM
Additional Information
Parts Manual: Chelsea 252 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
