[David_Hayward (RIP)]

I now go along with Nuyt..but it's either a GMC T.16B with extended chassis or the Model 4929 6-wheeler CHASSIS. Sourced from Pontiac, Michigan, plant as chassis and cowl etc as components.

My US truck data book reminds me that the ACK-353 and ACKW-353 were 1939 as well as 1940 Models.

My spare parts book for GMC wartime trucks shows that the US 1939-40 6-wheelers did indeed use Timken rear axles etc., and these were supplemented if not supplanted by GM versions probably from the Flint, Michigan axle plant.