However, Toyota incorporated lessons learned during the war, and the F engine benefitted from lightweight alloy pistons and better lubrication than earlier models. The engine's first installation was in a 1949 version of the Toyota BM truck (called FM with this engine fitted), originally only in units bound for the Brazilian market.
Toyota incorporated war-time insights, and the F engine utilized lightweight alloy pistons and better lubrication than previous models. The engine's first use was in a 1949 Toyota BM truck variant (designated FM with this engine installed), initially intended only for Brazil-bound units.