The Chelsea 823 Series Power Take-Off, part number 823XTKTX-Y6XS or 823XTKTXY6XS, 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 Eaton/Fuller, Volvo/Mack, Allison, and other compatible transmissions. The mechanical lever shift output delivers up to 500 lb-ft intermittent torque (678 Nm), with shaft power rated at 48 HP at 500 RPM and 95 HP at 1000 RPM. The output shaft is a 1-1/2 inch 10-tooth spline with a 1410 series companion flange. Continuous operation is supported with a 30% de-rating. Call us to confirm proper fit for your specific transmission and application.
Features
8-Bolt mounting pattern fits Eaton/Fuller, Volvo/Mack, Allison, and other compatible transmissions
Mechanical lever shift with direct mount pump output capability
1-1/2 inch 10-tooth spline output shaft with 1410 series companion flange
Intermittent torque rating up to 500 lb-ft (678 Nm); check application pages for actual torque ratings
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Continuous operation supported with 30% de-rating for sustained duty cycles
Tech Specs
- Intermittent Torque: 500 lb-ft (check application pages for actual torque ratings); 678 Nm (check application pages for actual torque ratings)
- Shift Type: Lever, Mechanical
- Output Power: 56+ HP / 51+ kW
- Transmission Manufacturer: Eaton/Fuller, Volvo/Mack, Allison, Other
- Output Shaft Type: 1-1/2 inch 10-tooth spline with 1410 series companion flange
- Mounting Type: 8-Bolt
- Shaft Power: 48 HP (500 RPM), 95 HP (1000 RPM) / 36 kW (500 RPM), 71 kW (1000 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.
