4(2)Farm machinery in respect to which a farm machinery loan may be made under the Act is equipment, machinery, apparatus and appliances of any kind for use on or in connection with a farm, including tractors, loaders, graders, wagons, trailers, pumps, motors, generators, compressors, grain grinders, feed mixers, stalls, pens, watering devices, milking machines and implements and equipment used for tillage, planting, haying, harvesting, spraying, irrigating, ventilating, drying, heating, cooling and materials handling, but not including trucks, cars or station wagons.