The Chelsea 823 Series Power Take-Off Assembly, part number 823XBAKP-M6GS or 823XBAKPM6GS, 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 Eaton/Fuller, Volvo/Mack, Allison, and other manufacturers. Shift is lever/mechanical. The output shaft is a 1-1/2"-10T spline with a 1410 Series companion flange. Intermittent torque rating for the 823 Series reaches 500 lb-ft (678 Nm) - check application pages for the actual rating on your specific installation. Shaft power output is 48 HP at 500 RPM and 95 HP at 1000 RPM. Call us to confirm proper fit for your application.
The Chelsea 823 Series is engineered specifically for demanding heavy-duty markets including oil and gas, forestry, and mobile equipment. The cast iron housing features tapered cone bearings on the output shaft for high load-bearing capability. Direct mount pump outputs are available. Seven internal speed ratios and both air and lever shift configurations are offered across the 823 Series, making it adaptable to a wide range of truck and equipment specifications.
Features
Extra heavy-duty 823 Series design rated for high-torque applications: oil field, logging, mining, and pumper-cleaner trucks
8-bolt mounting fits automatic and manual transmissions from Eaton/Fuller, Volvo/Mack, Allison, and other manufacturers
Lever/mechanical shift type
1-1/2" - 10T spline output shaft with 1410 Series companion flange
Shaft power: 48 HP (500 RPM) / 95 HP (1000 RPM)
Intermittent torque: up to 500 lb-ft (678 Nm) - verify actual rating on application pages for your transmission
Tech Specs
- Intermittent Torque: 500 lb-ft / 678 Nm (check application pages for actual torque rating on your specific installation)
- Shift Type: Lever, Mechanical
- Mounting Type: 8-Bolt
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Series Companion Flange
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 48 HP at 500 RPM, 95 HP at 1000 RPM (36 kW at 500 RPM, 71 kW at 1000 RPM)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Allison, and other manufacturers
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 823 Series is engineered specifically for demanding heavy-duty markets including oil and gas, forestry, and mobile equipment. The cast iron housing features tapered cone bearings on the output shaft for high load-bearing capability. Direct mount pump outputs are available. Seven internal speed ratios and both air and lever shift configurations are offered across the 823 Series, making it adaptable to a wide range of truck and equipment specifications.
