The Chelsea 823XGAHX-A3XS is a mechanical lever-shift Power Take-Off from the Chelsea 823 Series, designed for extra heavy-duty, high-torque applications including oil field equipment, logging, and pumper/cleaner trucks. It mounts to transmissions with an 8-bolt PTO aperture, compatible with Allison, Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmission manufacturers. Output options for the 823 Series include an SAE C pump flange with 1-1/4 inch 14-tooth pump spline and a 1410 Series companion flange. The cast iron housing features tapered cone bearings on the output shaft for heavy load-bearing capability. Available in air shift or lever shift configurations, the 823 Series supports seven internal speed ratios. Pro Gear and Transmission carries genuine Chelsea parts for demanding drivetrain applications.
Features
8-bolt mounting aperture fits Allison, Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmissions
Mechanical lever shift with air shift also available across the 823 Series
SAE C pump flange output with 1-1/4 inch 14-tooth pump spline
1410 Series companion flange included as standard
Cast iron housing with tapered cone bearings on the output shaft
Seven internal speed ratios for application versatility
Typical applications include oil field, logging, and pumper/cleaner trucks
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Lever (Mechanical); Air Shift also available
- Output Type: SAE C Pump Flange, Driveline
- Output Shaft: SAE C 1-1/4 inch 14-tooth Pump Spline; 1410 Series Companion Flange
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other
- Continuous Operation: Yes, with 30% de-rating
- Housing Material: Cast Iron
- Series Shaft Power: 48 HP at 500 RPM; 95 HP at 1000 RPM
Additional Information
The Chelsea 823 Series is purpose-built for the most demanding mobile and stationary PTO applications. Markets served include oil and gas, mobile equipment, and forestry. Typical equipment installations include oil field machinery, logging equipment, and pumper/cleaner trucks, as well as mining applications. The 823 Series supports direct mount pump outputs and features a space-saving shift design for maximum clearance under the truck. Part number 823XGAHX-A3XS is also referenced as SP823XGAHX-A3XS in distribution. Parker Chelsea publishes a dedicated 823 Series Parts List and Sales Literature, as well as the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual, available through Parker's documentation resources.Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
