What is the weight of a 1979 R Model Mack day cab truck?

The weight of a 1979 R Model Mack day cab truck typically ranges between 15,000 to 20,000 pounds, depending on its configuration and equipment. The truck's gross vehicle weight rating (GVWR) can be higher, often exceeding 26,000 pounds when fully loaded. Variations in weight may occur based on specific modifications and options chosen by the owner.