Built strong and durable to meet the needs of fleets, off highway, and commercial vehicles

MOOG® Heavy Duty u-joints’ radial lubrication grooves and anti-drainback feature provide optimal lubrication flow. Their exclusive thrust washer design absorbs axial loads, preventing metal-to-metal contact.

1. Case-hardened bearing cup
Bearing cups are cold-formed and case-hardened with a state-of-the-art manufacturing process to ensure the highest quality. All parts are ground to stringent tolerances with quality control inspections at every step of the manufacturing process

2. Greaseable design 
Grease fitting holes are drilled and tapped. Most MOOG® Heavy Duty u-joints feature dual grease fittings for easier access during regular joint maintenance

3. Grease reservoirs
Cross trunnions have large grease reservoirs that feature radial grease channels for optimal grease distribution

4. Cross trunnions
Cross trunnions are ground during manufacturing to a 15-25 RMS finish. This provides a smooth surface, free of microscopic grooves that can cause premature wear

5. Anti-drainback valve
An internal anti-drainback valve is integrated into the thrust washer to control lubrication flow and prevent dry start-up

6. Patented thrust washer
The patented thrust washer incorporates an anti-drainback feature found on medium duty, heavy duty, off-highway and truck PTO joints