53 loadmaster

A 54 loadmaster would be a term to describe the loadmaster 235 engine used in 1954.

The term Loadmaster was not used to describe truck model in 1954.

The use of the terms Thriftmaster and Loadmaster to describe truck sizes ended in late 1949.

The terms Thriftmaster, Loadmaster, and Jobmaster referred to three engine sizes in 1954.

What is the code/codes that you have found?

In 1953, the terms Thrifmaster and Loadmaster referred to the two engine sizes which were either standard or optional, depending on the size/model of the truck.