The Chelsea 823 Series Power Take-Off, part number 823XJAKX-V3XV or 823XJAKXV3XV, is an extra heavy-duty PTO built for high-torque applications including oil field service, logging, pumper-cleaner trucks, and mining equipment. It mounts via an 8-bolt aperture and fits automatic and manual transmissions from Allison, Eaton/Fuller, Volvo/Mack, and other manufacturers. Shift is lever-mechanical. The output shaft is a 1-1/2" 10-tooth spline with a 1410 Series companion flange, and direct-mount pump outputs are supported. Intermittent torque is rated up to 500 lb-ft (678 Nm) - check application pages for your specific configuration. Shaft power reaches 95 HP at 1,000 RPM. Call us to confirm proper fit for your transmission and application.
The 823 Series uses a cast iron housing with tapered cone bearings on the output shaft for greater load-bearing capability. The series supports seven internal speed ratios and direct-mount pump outputs via SAE C pump flange. Applications include oil field equipment, logging machinery, pumper-cleaner trucks, and mining equipment.
Features
Extra heavy-duty design rated for high-torque applications: oil field, logging, mining, and pumper-cleaner trucks
8-bolt mounting aperture fits automatic and manual transmissions from Allison, Eaton/Fuller, Volvo/Mack, and others
Lever/mechanical shift type
Output shaft: 1-1/2" - 10-tooth spline with 1410 Series companion flange
Intermittent torque up to 500 lb-ft (678 Nm) - verify rating on application pages for your exact configuration
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM; continuous operation available with 30% de-rating
Tech Specs
- Intermittent Torque: 500 lb-ft / 678 Nm (check application pages for actual torque rating for your configuration)
- Shift Type: Lever, Mechanical
- Mounting Type: 8-Bolt
- Output Shaft Type: 1-1/2" - 10-tooth spline with 1410 Series companion flange
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 48 HP (500 RPM), 95 HP (1,000 RPM) / 36 kW (500 RPM), 71 kW (1,000 RPM)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Volvo/Mack, Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The 823 Series uses a cast iron housing with tapered cone bearings on the output shaft for greater load-bearing capability. The series supports seven internal speed ratios and direct-mount pump outputs via SAE C pump flange. Applications include oil field equipment, logging machinery, pumper-cleaner trucks, and mining equipment.
Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
