does anybody know when the first 36 low cab 1.5 ton was manufactured? month? and when was the last month it was manufactured? i heard that they were selling 36's in 1937, was there a early and late production? thank you so much.i have a 36 with a 37 date code engine,and its a 207 ,help me

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1936 1.5 wrecker,1937 gmc coe,1939 Chevrolet coe,1942 4x4 coe, 1942 coe,1946 dump,1947 2 ton dump,another 1947 2 ton dump,1950 coe,1967 c30,1937 cat 22,1936 Chevrolet 5 window foremans coupe, 1914 ford speedster.