The Thornycroft Model Range 1919-1926
These pages provide extensive details of Thornycroft lorries from 1919 to 1926 on a model-by-model basis, and include historical and anecdotal data, technical specifications, detailed dimensions, chassis and other diagrams, archive photographs, colour photographs, contemporary colour plates and a summary table of key data for Thornycroft lorry types in production for some, or all of the period 1919 to 1926.

This 40hp Type J is depicted on the front cover of Thornycroft's 1919 brochure
Information for these pages comes from contemporary Thornycroft brochures, technical and other data, as well as contemporary copies of The Commercial Motor.