The Chelsea 823 Series Power Take-Off Assembly, part number 823GJAHX-A5GS or 823GJAHXA5GS, is an extra heavy-duty PTO built for high-torque applications including oil field service, logging, and pumper/cleaner trucks. It uses an 8-bolt mounting pattern and a mechanical lever shift, and fits automatic and manual transmissions from Allison, Eaton/Fuller, Volvo/Mack, and other manufacturers. The output shaft is a 1-1/2" - 10-tooth spline with a 1410 Series companion flange. Shaft power reaches 95 HP at 1,000 RPM and 48 HP at 500 RPM. Intermittent torque is rated up to 500 lb-ft (678 Nm) - check application pages for actual torque ratings on your specific installation. Available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
8-Bolt mounting pattern fits automatic and manual transmission apertures
Lever/mechanical shift with air shift also available in the 823 Series
1-1/2" - 10T spline output shaft with 1410 Series companion flange
Intermittent torque up to 500 lb-ft (678 Nm) - verify with application pages
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM
Designed for oil field, logging, mining, and pumper/cleaner truck service
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: Allison, Eaton/Fuller, 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 (1,000 RPM) / 36 kW (500 RPM), 71 kW (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.
