The Chelsea 823 Series Power Take-Off Assembly, part number 823XMDAX-A5XS or 823XMDAXA5XS, is an extra heavy-duty PTO built for high-torque applications including oil field, logging, and pumper-cleaner trucks. It mounts via an 8-bolt aperture and fits manual and automatic transmissions from Eaton/Fuller, Volvo/Mack, Allison, and other manufacturers. Shift type is lever/mechanical. The output shaft is a 1-1/2"-10T spline with a 1410 Series companion flange. Intermittent torque is rated at 500 lb-ft (678 Nm); check application pages to confirm actual torque for your installation. Shaft power output reaches 95 HP at 1000 RPM. Continuous operation is supported with a 30% de-rating. Call us to confirm proper fit for your application.
The Chelsea 823 Series is designed for the most demanding PTO applications: oil field equipment, logging machinery, and pumper-cleaner trucks. The cast iron housing and tapered cone bearings on the output shaft contribute to the series' load-bearing capability. Direct mount pump outputs are supported, and seven internal speed ratios are available within the 823 Series. The 823XMDAX-A5XS mounts to any 8-bolt PTO aperture transmission. For application-specific torque ratings and transmission compatibility, consult the Chelsea 823 Series Application Pages or call Pro Gear and Transmission for assistance.
Features
8-Bolt mounting fits automatic and manual transmissions from Eaton/Fuller, Volvo/Mack, Allison, and others
Lever/mechanical shift type
Intermittent torque rating: 500 lb-ft (678 Nm) - check application pages for actual rating
Output shaft: 1-1/2"-10T spline with 1410 Series companion flange
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Continuous operation capable with 30% de-rating
Tech Specs
- Intermittent Torque: 500 lb-ft / 678 Nm (Check Application Pages for Actual Torque Ratings)
- 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 (500 RPM), 95 HP (1000 RPM) / 36 kW (500 RPM), 71 kW (1000 RPM)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Allison, Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 823 Series is designed for the most demanding PTO applications: oil field equipment, logging machinery, and pumper-cleaner trucks. The cast iron housing and tapered cone bearings on the output shaft contribute to the series' load-bearing capability. Direct mount pump outputs are supported, and seven internal speed ratios are available within the 823 Series. The 823XMDAX-A5XS mounts to any 8-bolt PTO aperture transmission. For application-specific torque ratings and transmission compatibility, consult the Chelsea 823 Series Application Pages or call Pro Gear and Transmission for assistance.
