The Chelsea 823XGAKW-M4XS or 823XGAKWM4XS is an extra heavy-duty power take-off assembly from the Chelsea 823 Series, built for high-torque applications including oil field equipment, logging machinery, pumper/cleaner trucks, and mining. It mounts via an 8-bolt pattern and fits transmissions from Eaton/Fuller, Allison, and Volvo/Mack, among others. The output shaft is a 1-1/2"-10T spline with a 1410 series companion flange. Shift type is lever/mechanical. Intermittent torque rating reaches 500 lb-ft (678 Nm); check application pages for your specific configuration. Shaft power output is 48 HP at 500 RPM and 95 HP at 1000 RPM. The 823 Series supports continuous operation with a 30% de-rating. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Extra heavy-duty 8-bolt mounting for high-torque applications including oil field, logging, and mining
Lever/mechanical shift type
1-1/2"-10T spline output shaft with 1410 series companion flange
Intermittent torque: 500 lb-ft (678 Nm) - check application pages for actual rating
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Compatible with Eaton/Fuller, Allison, Volvo/Mack, and other 8-bolt-aperture transmissions
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, Allison, Volvo/Mack, Other
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Series Companion Flange
- Mounting Type: 8-Bolt
- Shaft Power: 48 HP (500 RPM), 95 HP (1000 RPM) / 36 kW (500 RPM), 71 kW (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.