The Chelsea 823 Series Power Take-Off, part number 823DMMCX-V6GS or 823DMMCXV6GS, is an 8-bolt mechanically shifted PTO built for high-torque work in oil field, logging, pumper-cleaner, and mining applications. It delivers up to 48 HP at 500 RPM and 95 HP at 1000 RPM, with an intermittent torque rating up to 500 lb-ft (678 Nm), confirm actual torque for your application via the Chelsea application pages. Output is through a 1410 Series companion flange with a 1-1/2"-10T spline, and the cast iron housing uses tapered cone bearings on the output shaft for greater load-bearing capability. Compatible transmission manufacturers include Eaton/Fuller, Allison, Volvo/Mack, and others with an 8-bolt PTO aperture. Lever shift is standard; air shift is also available across the 823 Series. Call us to confirm proper fit for your specific transmission and application.
The Chelsea 823 Series uses a cast iron housing with tapered cone bearings on the output shaft, providing elevated load-bearing capability suited to demanding cycles in oil field, logging, and pumper-cleaner service. Seven internal speed ratios are available across the 823 Series. The 823DMMCX-V6GS ships as a complete PTO assembly. Direct-mount pump outputs are supported. Compatible with automatic and manual transmissions featuring an 8-bolt PTO mounting aperture.
Features
Extra heavy-duty 8-bolt mount design for high-torque applications including oil field, logging, and mining
Lever/mechanical shift standard; air shift option available across the 823 Series
1410 Series companion flange output with 1-1/2"-10T spline
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Intermittent torque up to 500 lb-ft (678 Nm), check application pages for actual rating
Compatible with Eaton/Fuller, Allison, Volvo/Mack, 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)
- Shaft Power: 48 HP at 500 RPM, 95 HP at 1000 RPM (36 kW at 500 RPM, 71 kW at 1000 RPM)
- Output Shaft Type: 1410 Companion Flange, 1-1/2" - 10T Spline with 1410 Flange
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Allison, Volvo/Mack, Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 823 Series uses a cast iron housing with tapered cone bearings on the output shaft, providing elevated load-bearing capability suited to demanding cycles in oil field, logging, and pumper-cleaner service. Seven internal speed ratios are available across the 823 Series. The 823DMMCX-V6GS ships as a complete PTO assembly. Direct-mount pump outputs are supported. Compatible with automatic and manual transmissions featuring an 8-bolt PTO mounting aperture.
Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
