The Chelsea 823 Series Power Take-Off Assembly, part number 823XRAHX-Y3XV or 823XRAHXY3XV, is Chelsea's extra heavy-duty PTO built for high-torque applications including oil field, logging, pumper cleaner trucks, and mining equipment. It mounts via an 8-bolt aperture and fits automatic and manual transmissions from Allison, Eaton/Fuller, Volvo/Mack, and other manufacturers. The mechanical lever shift design delivers intermittent torque ratings up to 500 lb-ft (678 Nm) - check application pages for confirmed torque ratings for your specific setup. Output is through a 1-1/2" 10-tooth spline with a 1410 Series companion flange, rated at 48 HP at 500 RPM and 95 HP at 1000 RPM. The cast iron housing features tapered cone bearings on the output shaft for maximum load-bearing capability. Call us to confirm proper fit for your transmission and application.
Features
Extra heavy-duty 823 Series design rated for high-torque applications including oil field, logging, and pumper cleaner trucks
8-bolt mounting aperture fits Allison, Eaton/Fuller, Volvo/Mack, and other transmission manufacturers
Mechanical lever shift; air shift also available within the 823 Series
1-1/2" 10-tooth spline output with 1410 Series companion flange standard
Shaft power: 48 HP (36 kW) at 500 RPM; 95 HP (71 kW) at 1000 RPM
Direct mount pump outputs; cast iron housing with tapered cone bearings on output shaft
Tech Specs
- Intermittent Torque: 500 lb-ft / 678 Nm (Check Application Pages for Actual Torque Ratings)
- Shift Type: Lever, Mechanical
- Output Power: 56+ HP / 51+ kW
- Transmission Manufacturer Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Other
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Series Companion Flange
- Mounting Type: 8-Bolt
- Shaft Power: 48 HP (36 kW) at 500 RPM; 95 HP (71 kW) at 1000 RPM
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.