The Chelsea 252RMKUX-B51129 or 252RMKUXB51129 is a 252 Series Power Take-Off (PTO) built for Allison 1000/2000/2400 series automatic transmissions and Aisin automatic transmissions used in Dodge/RAM trucks. The 252 Series uses hydraulic shift with a 6-bolt mounting configuration. Output options for this series include an SAE A pump flange, a 1-inch round shaft with 1/4-inch key, an SAE A 5/8-inch 9-tooth pump spline, and a 3/4-inch 11-tooth pump spline. The series carries an intermittent torque rating of 101 to 200 lb-ft and shaft power of 23 HP at 1,000 RPM. Compact housing design with integrated cartridge valve and single hose connection. Contact Pro Gear and Transmission to confirm proper fit for your application.
Features
Hydraulic shift, 6-bolt mounting configuration
SAE A pump flange output; also available with round shaft or spline output options
Intermittent torque rating: 101 to 200 lb-ft
Shaft power: 23 HP at 1,000 RPM; continuous operation rated with 30% de-rating
Fits Allison 1000/2000/2400 series and Aisin automatic transmissions used in Dodge/RAM trucks
Integrated cartridge valve with single hose connection for simplified installation
Tech Specs
- Shift Type: Hydraulic
- Mounting Type: 6-Bolt
- Output Type: SAE A Pump Flange, Driveline
- Output Shaft Options: SAE A 5/8-inch 9-tooth pump spline; 3/4-inch 11-tooth pump spline; 1-inch round shaft with 1/4-inch key
- Intermittent Torque: 101 to 200 lb-ft
- Shaft Power: 23 HP at 1,000 RPM; 11 HP at 500 RPM
- Continuous Operation: Yes, with 30% de-rating
- Lubricant Type: No Pressure Lube (X designation)
- Transmission Compatibility: Allison 1000/2000/2400 series; Aisin automatic; Dodge/RAM
- Dimensions (H x W x L): 15.75 in. x 12.5 in. x 14 in.
Additional Information
Parts Manual: Chelsea 252 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
