This is the
Chevrolet Illustrated Army Parts Catalogue 1940-1941.
This covers 8cwt, 15cwt (4×2 and 4×4) 30cwt, 3 ton and F.A. Gun Tractor, so this must be the predecessor of the individual parts lists published for the various vehicle types.
Being this early, I presume the Cab 13 is not included.
