The Chelsea 823 Series Power Take-Off Assembly, part number 823XMDAX-A5GS or 823XMDAXA5GS, is an extra heavy-duty PTO built for high-torque applications including oil field, logging, pumper/cleaner trucks, and mining. It mounts via an 8-bolt aperture and is compatible with Eaton/Fuller, Volvo/Mack, Allison, and other transmission manufacturers. The mechanical lever shift operates a cast iron housing with tapered cone bearings on the output shaft for strong load-bearing capability. The output shaft is a 1-1/2 in. 10-tooth spline with a 1410 series companion flange. Shaft power is rated at 48 HP at 500 RPM and 95 HP at 1,000 RPM. Intermittent torque is rated up to 500 lb-ft (678 Nm); check application pages for actual torque ratings specific to your installation. Call us to confirm proper fit for your transmission and application.
Features
8-bolt mounting fits automatic and manual transmissions including Eaton/Fuller, Volvo/Mack, and Allison
Mechanical lever shift with air shift also available across the 823 Series
1-1/2 in. 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
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM
Cast iron housing with tapered cone bearings on the output shaft for high load-bearing capacity
Tech Specs
- Intermittent Torque: 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 in. 10-Tooth Spline with 1410 Series Companion Flange
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 48 HP at 500 RPM, 95 HP at 1,000 RPM (36 kW at 500 RPM, 71 kW at 1,000 RPM)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Allison, Other
- 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.