Description
The Chelsea 823 Series Power Take-Off Assembly, part number 823XDAKP-M5XS or 823XDAKPM5XS, is Chelsea’s extra heavy-duty PTO built for high-torque work in oil field, logging, mining, and pumper cleaner truck applications. It mounts via an 8-bolt aperture and fits automatic and manual transmissions from Allison, Eaton/Fuller, Volvo/Mack, and other manufacturers. The output shaft is a 1-1/2 inch 10-tooth spline fitted with a 1410 series companion flange. Lever/mechanical shift is standard on this unit. Shaft power output is rated at 48 HP at 500 RPM and 95 HP at 1000 RPM. The 823 Series carries an intermittent torque rating of 500 lb-ft (verify actual rating on Chelsea application pages for your specific configuration). 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 mining
8-bolt mounting aperture fits Allison, Eaton/Fuller, Volvo/Mack, and other transmission manufacturers
Lever/mechanical shift type
Output shaft: 1-1/2 inch 10-tooth spline with 1410 series companion flange
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Intermittent torque up to 500 lb-ft / 678 Nm (check Chelsea application pages for actual torque ratings for your configuration)
Tech Specs
- Intermittent Torque: 500 lb-ft / 678 Nm (Check Application Pages for Actual Torque Ratings)
- Shift Type: Lever, Mechanical
- Mounting Type: 8-Bolt
- Transmission Manufacturer Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Other
- Output Shaft Type: 1-1/2 in. – 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)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 823 Series PTO is designed for demanding applications including oil field equipment, logging machinery, pumper cleaner trucks, and mining operations. The cast iron housing and tapered cone bearings on the output shaft provide strong load-bearing capability. The 823 Series supports direct mount pump outputs and is compatible with both SAE C pump flange and driveline output configurations across the broader 823 Series lineup. Seven internal speed ratios are available across the series. Consult Chelsea application pages to confirm the exact torque rating and speed ratio for part number 823XDAKP-M5XS in your specific installation.
