A farm machine is a type of agricultural equipment used to help farmers with various tasks. A COMBINE is a machine that harvests grain crops, a BALER is used to compress hay or straw into bales, a tractor is a vehicle used to pull implements, a REAPER is a machine used to cut and collect grain crops, a thresher is a machine used to separate the grain from the chaff, a PLOW is a tool used to turn over soil, a MOWER is a machine used to cut grass, a spreader is a machine used to distribute fertilizer, a seeder is a machine used to sow seeds, a TILLER is a machine used to break up soil, a GIN is a machine used to separate cotton fibers from their seeds, a hayer is a machine used to cut and collect hay, and a cottongin is a machine used to separate cotton fibers from their seeds.