According to my 1937 handbook for commercial cars and trucks, that looks like a 1 1/2 ton pick up or open express. What a fantatastic picture, Larry!
Kent


1937 Chevy 1/2 ton
1942 Chevy 1/2 ton
1947 Diamond T Model 509
1951 Chevy 1/2 ton
1950 Chevy COE Model 5700 ~ "Barney" ~ And more pix