B

IH made the Farmall B from 1939 to 1947. The B was almost the same as the A. The only exceptions were that the B's engine was in the center and had a narrow front end. It has a 113 cid 4 cylinder engine and weighed approximately 3,500 lbs. The B has 4 forward gears and 1 reverse gear. There were about 75,241 B's produced from 1939 to 1947.

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Farmall B Serial Numbers (Includes BN)
The serial number is located on the left seat support bracket, under the seat.

Prefix Letters: B=FAB, BN=FABN

SERIAL NUMBER......................................YEAR
501 - 6743.........................................................1939
6744 - 41499.....................................................1940
41500 - 80738...................................................1941
80739 - 96389...................................................1942
no official production........................................1943
96390 - 113217..................................................1944
113218 - 146699................................................1945
146700 - 182963................................................1946
182964 - 198298 (Chicago)...............................1947
200001 - 220829 (Louisville).............................1947