bumper

Yes, it’s special only for this these three years. It lowers the license plate below the horizontal license bracket and attaches to the stake pocket. (This is not like the later 1937-38 bracket that raises the license above the horizontal). We suspect that the license plate on the low side caught the mud from the tire after each rain OR...

Before 1954 on 1/2 tons, the frame rails were given a large arch as they passed over the rear axle housing. With a broken leaf spring or overloading the bed with too much weight, the frame rails will lower many inches before contacting an axle bumper. It was a system that worked for over 20 years on 1/2 tons when...

  GMC bumper guards during these years were standard equipment and stamped from the same heavy gauge metal as the bumper (a different style and lighter gauge metal were dealer accessories on Chevrolet light trucks). A slight change in design was made at the end of the 1956 year. A more decorative pointed dimple was given the guards during 1957...

The placement of rear axle bumpers by GM on 1/2 tons proved to be an important feature. Owners can often load cargo over recommended weights, their shock absorbers may lose their resistance, and there is the existence of uneven road surfaces. All this can make axle bumpers very important. During the hauling of freight, these bumpers occasionally stop metal to...

Mechanical components on trucks were usually kept for many years by GM. Unless an improvement was needed, there was no need to change a proven design. An excellent example of this is the rear ½ ton axle bumper. The design was used from 1929 through 1946 on Chevrolet and GMC ½ tons. A rubber bumper is held down on the...