The Chelsea 823 Series Power Take-Off, part number 823XMDAX-A3XS or 823XMDAXA3XS, is an extra heavy-duty PTO built for high-torque applications including oil field equipment, logging, pumper cleaner trucks, and mining. It mounts via an 8-bolt aperture and fits transmissions from Eaton/Fuller, Volvo/Mack, Allison, and other manufacturers. The mechanical lever shift operates a cast iron housing with tapered cone bearings on the output shaft for strong load-bearing capability. Output shaft is a 1-1/2 inch 10-spline configuration with a 1410 Series companion flange. Intermittent torque rating reaches 500 lb-ft (678 Nm); shaft power is rated at 48 HP at 500 RPM and 95 HP at 1,000 RPM. Output power exceeds 56 HP. Continuous operation is supported with a 30% de-rating. Call us to confirm proper fit for your transmission and application.
Features
Extra heavy-duty cast iron housing with tapered cone bearings on the output shaft
8-bolt mounting aperture compatible with Eaton/Fuller, Volvo/Mack, Allison, and other transmissions
Lever/mechanical shift type
1-1/2 inch 10-spline output shaft with 1410 Series companion flange
Intermittent torque rated to 500 lb-ft (678 Nm); verify actual rating on application pages
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM; supports continuous operation with 30% de-rating
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: Eaton/Fuller, Volvo/Mack, Allison, Other
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Series Companion Flange
- Mounting Type: 8-Bolt
- Shaft Power: 48 HP at 500 RPM / 95 HP at 1,000 RPM (36 kW at 500 RPM / 71 kW at 1,000 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.
