Lt Tire Meaning. This refers to the u s. Lt sizes can be confusing because they re so different from the sizes you re used to seeing.
St stands for special trailer. Lt stands for light truck and as the name suggests these tires are designed for trucks and suvs. Lt stands for light truck st is for special trailer and t stands for temporary which is primarily used for small spare tires.
Lt if a tire size begins with lt it signifies the tire is a light truck metric size that was designed to be used on vehicles that are capable of carrying heavy cargo or towing large trailers.
Lt tires are going to be more expensive than p metric tires. The cords in a lt tire are a larger gauge than p metric tires so the tire can carry heavier loads. Lt or light truck are tires for towing trailers or have a 3 4 to 1 ton load capacity. This stands for passenger as in passenger car.