What Is a Pushrod on a Semi Truck?

Learn what a pushrod is on a semi truck, how it works with air brakes, why it matters, and what CDL drivers should inspect before every trip.

What Is a Kingpin on a Semi Truck?

Learn what a kingpin is on a semi truck, how it works with the fifth wheel, why it matters, and how to inspect it for safe trailer connections.

How Much Does It Cost to Get a CDL?

Wondering how much it costs to get a CDL? Learn about CDL school tuition, permit fees, DOT physicals, testing costs, and ways to save money.

Scroll to Top