The Chelsea 823GGAHX-A3XS or 823GGAHXA3XS is an 823 Series Power Take-Off built for high-torque, extra heavy-duty applications including oil field, logging, pumper cleaner trucks, and mining. The 823 Series mounts to transmissions with an 8-bolt PTO aperture and is compatible with Allison, Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmission manufacturers. Shift is mechanical lever. Output options for the 823 Series include SAE C pump flange and driveline, with an SAE C (1-1/4"-14T) pump spline and 1410 Series companion flange as standard. The series delivers 56+ HP output power and supports continuous operation with a 30% de-rating. Available from Pro Gear and Transmission.
Features
Chelsea 823 Series, 8-bolt mounting for automatic and manual transmissions
Mechanical lever shift; air shift also available in the series
Compatible with Allison, Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmissions
SAE C (1-1/4"-14T) pump spline output; 1410 Series companion flange standard
56+ HP output power; continuous operation supported with 30% de-rating
Designed for oil field, logging, pumper cleaner, and mining applications
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Lever, Mechanical
- Output Type: SAE C Pump Flange, Driveline
- Output Shaft Type: SAE C (1-1/4"-14T) Pump Spline; 1410 Series Companion Flange
- Intermittent Torque: 401-500 lb-ft (series rating; check application pages for actual torque)
- Output Power: 56+ HP
- Continuous Operation: Yes, with 30% de-rating
- Lubricant Type: No Pressure Lube (X designation)
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other 8-bolt aperture transmissions
Additional Information
Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
