The Chelsea 823 Series Power Take-Off, part number 823XTKTX-V6XS or 823XTKTXV6XS, is an extra heavy-duty 8-bolt PTO designed for high-torque applications including oil field equipment, logging, pumper/cleaner trucks, and mining. Shift type is lever/mechanical. The output shaft is a 1-1/2" 10-tooth spline with a 1410 Series companion flange. Intermittent torque is rated up to 500 lb-ft (678 Nm) - check application pages for actual torque ratings specific to your setup. Shaft power output is 48 HP at 500 RPM and 95 HP at 1000 RPM. This unit fits transmissions from Eaton/Fuller, Volvo/Mack, Allison, and other 8-bolt aperture transmissions. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
The Chelsea 823 Series is built for demanding vocational applications - oil field, logging, pumper/cleaner trucks, and mining. The cast iron housing and tapered cone bearings on the output shaft provide the series' strong load-bearing capability. The 823 Series also supports direct mount pump outputs via SAE C pump flange configurations within the series lineup. Seven internal speed ratios are available across the 823 Series family. For detailed application fitment, consult the 823 Series application pages or call Pro Gear and Transmission to verify the correct configuration for your transmission and driven equipment.
Features
Extra heavy-duty 8-bolt mounting for high-torque applications including oil field, logging, and mining equipment
Lever/mechanical shift type
1-1/2" 10-tooth spline output shaft with 1410 Series companion flange
Intermittent torque rating up to 500 lb-ft (678 Nm) - verify rating on application pages for your specific installation
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Compatible with Eaton/Fuller, Volvo/Mack, Allison, and other 8-bolt aperture transmissions
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
- Compatible Transmission Manufacturers: Eaton/Fuller, Volvo/Mack, Allison, Other 8-Bolt
- 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 (1000 RPM) / 36 kW (500 RPM), 71 kW (1000 RPM)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 823 Series is built for demanding vocational applications - oil field, logging, pumper/cleaner trucks, and mining. The cast iron housing and tapered cone bearings on the output shaft provide the series' strong load-bearing capability. The 823 Series also supports direct mount pump outputs via SAE C pump flange configurations within the series lineup. Seven internal speed ratios are available across the 823 Series family. For detailed application fitment, consult the 823 Series application pages or call Pro Gear and Transmission to verify the correct configuration for your transmission and driven equipment.
Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
