The Chelsea 823 Series Power Take-Off, part number 823XJAKP-Y4XW or 823XJAKP?4XW, is an extra heavy-duty PTO built for high-torque 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 cast iron housing carries tapered cone bearings on the output shaft for greater load-bearing capability. Output options for this series include an SAE C pump flange and driveline configurations; the series comes standard with a 1410 Series companion flange. Shift is mechanical lever. Intermittent torque for the 823 Series reaches 500 lb-ft (678 Nm), with continuous operation available at a 30% de-rating. Available from Pro Gear and Transmission.
Features
Extra heavy-duty 823 Series design for high-torque applications: oil field, logging, and pumper cleaner trucks
8-bolt mounting aperture fits Allison, Eaton/Fuller, Volvo/Mack, and Daimler/Detroit transmissions
Cast iron housing with tapered cone bearings on the output shaft
Mechanical lever shift; air shift also available within the 823 Series
SAE C pump flange and driveline output options; 1410 Series companion flange standard
Intermittent torque rating: 500 lb-ft (678 Nm); continuous operation supported with 30% de-rating
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Mechanical Lever
- Output Type: SAE C Pump Flange, Driveline
- Output Shaft Type: SAE C (1-1/4 in. - 14T) Pump Spline; 1410 Series Companion Flange; DIN 120; DIN 100
- Intermittent Torque: 500 lb-ft (678 Nm) - check application pages for actual ratings
- Continuous Operation: Yes, with 30% de-rating
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 48 HP at 500 RPM; 95 HP at 1000 RPM
- Lubricant Options: Pressure Lube, No Pressure Lube, Wet Spline
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other
- Typical Applications: Oil field, logging, pumper cleaner trucks, mining
Additional Information
Parts Manual: Chelsea 823 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
