Viscosity Modifiers in Axle Oils

The base oil is the main component of axle oils. It’s from 36 to 96 percent of the gear oil. There may be no viscosity modifier, or it can be as high as 50 percent. A pour point depressant may be added, up to two percent of the total oil volume. Finally, the axle oil...

Wet Clutch or Dry Clutch?

The starting point for any transmission designer is knowing the amount of torque the system needs to handle. Nowhere does this apply more clearly than in the design of dual clutch gearboxes, where applications for lower-cost vehicles are already showing a different...