1941
- New styling, "upside-down T" grille.
1942
- All trucks, except COE models, came with "blackout" trim (no chrome).
Short production
year
1944 - Limited production of civilian models. No real changes from earlier models.
1945
- Production began in full on August 20, 1945, six days after Japan's surrender.
Same as 1942 model,
including painted trim.
1946 &
1947 First Series - Month-long strike by the UAW.
No major changes.