The Chelsea 823XMAHX-M6GS is a mechanical lever-shift Power Take-Off from the Chelsea 823 Series, built for extra heavy-duty applications including oil field equipment, logging machinery, and pumper cleaner trucks. It mounts to transmissions with an 8-bolt PTO aperture, covering Allison, Eaton/Fuller, Volvo/Mack, and Daimler/Detroit platforms. The 823 Series delivers SAE C pump flange and driveline output options and comes standard with a 1410 Series companion flange. Tapered cone bearings on the output shaft provide strong load-bearing capability under sustained high-torque operation. The 823 Series is rated for intermittent torque in the 401-500 lb-ft range and supports 56-plus HP output. Available from Pro Gear and Transmission.
Features
Chelsea 823 Series extra heavy-duty Power Take-Off
8-bolt mounting, compatible with Allison, Eaton/Fuller, Volvo/Mack, and Daimler/Detroit transmissions
Mechanical lever shift with cast iron housing
Tapered cone bearings on output shaft for high load capacity
SAE C pump flange and driveline output; standard 1410 Series companion flange
Rated for 56+ HP output and intermittent torque of 401-500 lb-ft
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Lever, Mechanical
- Output Type: SAE C Pump Flange, Driveline
- Output Shaft Type: SAE C (1-1/4" - 14T) Pump Spline, 1410 Series Companion Flange
- Intermittent Torque: 401 to 500 lb-ft
- Output Power: 56+ HP
- Shaft Power: 48 HP (500 RPM), 95 HP (1000 RPM)
- Continuous Operation: Yes, with 30% de-rating
- Lubricant Options: Pressure Lube, No Pressure Lube, Wet Spline
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other
Additional Information
The Chelsea 823 Series is engineered for demanding vocational applications where maximum torque capacity and durability are required. The series features seven internal speed ratios and four shift options, providing versatility across a wide range of equipment. The space-saving design provides clearance under the truck frame. Typical applications include oil field pumps, logging equipment, and pumper cleaner trucks. The 823 Series is also suitable for mining operations where sustained heavy-duty PTO engagement is required.Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
