The Chelsea 823 Series Power Take-Off, part number 823XTKTX-A4XS or 823XTKTXA4XS, is an extra heavy-duty PTO built for high-torque applications including oil field service, logging, and pumper/cleaner trucks. It mounts via an 8-bolt pattern and fits automatic and manual transmissions from Eaton/Fuller, Allison, Volvo/Mack, and other manufacturers. The output shaft is a 1-1/2"-10T spline with a 1410 Series companion flange. Shift is mechanical lever-operated. Shaft power output reaches 95 HP at 1,000 RPM and 48 HP at 500 RPM. Intermittent torque is rated up to 500 lb-ft (check application pages for actual torque ratings for your specific setup). The 823 Series cast iron housing uses tapered cone bearings on the output shaft for strong load-bearing capability under demanding duty cycles. Call us to confirm proper fit for your transmission and application.
Features
Extra heavy-duty design for high-torque applications: oil field, logging, mining, and pumper/cleaner trucks
Lever/mechanical shift with 8-bolt transmission mounting
1-1/2"-10T spline output shaft with 1410 Series companion flange
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM
Intermittent torque up to 500 lb-ft / 678 Nm (verify actual rating on Chelsea application pages)
Compatible with Eaton/Fuller, Allison, Volvo/Mack, and other 8-bolt PTO aperture transmissions
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Lever, Mechanical
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Series Companion Flange
- Shaft Power: 48 HP (500 RPM), 95 HP (1,000 RPM), 36 kW (500 RPM), 71 kW (1,000 RPM)
- Output Power: 56+ HP, 51+ kW
- Intermittent Torque: Up to 500 lb-ft / 678 Nm (Check Application Pages for Actual Torque Ratings)
- Transmission Compatibility: Eaton/Fuller, Allison, Volvo/Mack, Other 8-Bolt PTO Aperture
Additional Information
Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
