Latest Content What Is The Best Gear Ratio For A Semi Truck? (Solved!) Do Semi Trucks Have Glow Plugs? (17 Cool Facts) Do They Still Race Semi Trucks? (14 Exhilarating Facts) Are Semi Trucks Supercharged? (15 Interesting Facts) Why Do Semi Trucks Have Flaps On The Back? (Explained) What Are Auto Chains On A Semi Truck? (Explained & Solved!) ‹ 1 … 29 30 31 32 33 … 40 › Beginner’s Questions No posts found. Buying Advice No posts found. General Advice No posts found.