The Chelsea 823DMMAX-V6XS or 823DMMAXV6XS is an extra heavy-duty power take-off from Chelsea's 823 Series, built for high-torque applications including oil field, logging, and pumper/cleaner trucks. It mounts via an 8-bolt pattern and fits Allison, Eaton/Fuller, Volvo/Mack, and other compatible transmissions. The lever/mechanical shift drives a 1-1/2" - 10-tooth spline output with a 1410 series companion flange. Intermittent torque is rated up to 500 lb-ft (678 Nm) - check application pages for your specific rating. Shaft power output is 48 HP at 500 RPM and 95 HP at 1000 RPM. Continuous operation is supported with a 30% de-rating. Contact Pro Gear and Transmission to confirm proper fit for your specific transmission and application.
The Chelsea 823 Series PTO is suited for demanding mobile, oil and gas, and forestry equipment applications. The cast iron housing and tapered cone bearings on the output shaft are series-characteristic design elements that contribute to its heavy-duty torque capability. The 823 Series accommodates direct mount pump outputs and is available with multiple internal speed ratios. Call us to confirm which ratio and shift configuration applies to part number 823DMMAX-V6XS for your specific application.
Features
Extra heavy-duty 823 Series design for high-torque applications: oil field, logging, mining, and pumper/cleaner trucks
Lever/mechanical shift type
8-bolt mounting pattern; fits Allison, Eaton/Fuller, Volvo/Mack, and other compatible transmissions
1-1/2" - 10-tooth spline output with 1410 series companion flange
Intermittent torque up to 500 lb-ft (678 Nm) - verify rating on Chelsea application pages for your specific unit
Shaft power: 48 HP (500 RPM) / 95 HP (1000 RPM); supports continuous operation with 30% de-rating
Tech Specs
- Intermittent Torque: Up to 500 lb-ft (678 Nm) - Check Application Pages for Actual Torque Ratings
- Shift Type: Lever, Mechanical
- Mounting Type: 8-Bolt
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Series Companion Flange
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Other
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 48 HP at 500 RPM / 95 HP at 1000 RPM (36 kW at 500 RPM / 71 kW at 1000 RPM)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 823 Series PTO is suited for demanding mobile, oil and gas, and forestry equipment applications. The cast iron housing and tapered cone bearings on the output shaft are series-characteristic design elements that contribute to its heavy-duty torque capability. The 823 Series accommodates direct mount pump outputs and is available with multiple internal speed ratios. Call us to confirm which ratio and shift configuration applies to part number 823DMMAX-V6XS for your specific application.
Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
