Description
The Chelsea 823 Series Power Take-Off Assembly, part number 823XBAHX-M5XS or 823XBAHXM5XS, is an extra heavy-duty PTO built for high-torque applications including oil field equipment, logging, pumper/cleaner trucks, and mining. It mounts via an 8-bolt aperture, making it compatible with automatic and manual transmissions from Eaton/Fuller, Volvo/Mack, Allison, and other manufacturers. Shift is mechanical lever. The output shaft is a 1-1/2″-10T spline with a 1410 Series companion flange. Shaft power is rated at 48 HP (500 RPM) and 95 HP (1,000 RPM). Intermittent torque is rated up to 500 lb-ft – confirm exact torque for your application before ordering. A genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
8-Bolt mounting fits automatic and manual transmissions from Eaton/Fuller, Volvo/Mack, Allison, and others
Lever/mechanical shift type
1-1/2″-10T spline output shaft with 1410 Series companion flange
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM
Intermittent torque rating up to 500 lb-ft (check application pages for actual torque rating)
Suited for oil field, logging, mining, and pumper/cleaner truck applications
Tech Specs
- Intermittent Torque: 500 lb-ft / 678 Nm (check application pages for actual torque rating)
- Shift Type: Lever, Mechanical
- Mounting Type: 8-Bolt
- Output Shaft Type: 1-1/2″-10T Spline with 1410 Series Companion Flange
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 48 HP (500 RPM), 95 HP (1,000 RPM) / 36 kW (500 RPM), 71 kW (1,000 RPM)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Allison, and other 8-bolt aperture transmissions
- Continuous Operation: Yes, with 30% de-rating








