Sometimes months or even years can go by before diesel truck owners think of their axles’ gear lube. Although the intervals between axle oil changes can be stretched as long as 50,000 miles in some ...

A gearbox/transmission consists of moving metal components that transfer the power from an engine to the drive shaft of an automobile. Metal components moving against each other results in friction, ...

At the car repair shop, we often hear mechanics mention gear oil and transmission fluid when discussing any fix involving the gearbox — so much so that many might have started to believe that they are ...