[ Agricultural machinery and machine tools, implements other than hand operated, and machines for agriculture, animal husbandry, horticulture, forestry, earth moving, gardening and plant cultivation as a leisure activity, namely, tilling machines in the nature of harrows, rotary tillers, plows, cultivators, disc harrows, power-operated dethatchers, vibrator tillers, tillage machinery with tines, tillage machinery with discs, soil mixers, hoes, soil breakers, soil-compacting rollers, and self-propelled machines for tillage operations; sowing machines, namely, seed drills, and self-propelled machines for sowing and planting; ] agricultural hay making machines, namely, mowers, conditioners, hay tedders, rakers, swathers, windrowers, windrow turners, disk rakes, and band swathers; agricultural self-propelled machines for mowing, tedding, windrowing, and cutting produce, namely, plants; [ agricultural harvesting machines, namely, harvesters, combined harvester-threshers, balers, bale wrappers, and forage harvesters; self-propelled machines for silage loading; treatment machines, namely, agricultural spraying machines; tractor towed agricultural spreading machines, namely, fertilizer spreaders, manure spreaders, slurry spreaders, and bedding machines; tractor towed spreading machines, namely, salt spreaders and sand spreaders; mechanical spreaders, namely, salt spreaders and sand spreaders; machines for preparing cattle feed, namely, silo unloaders, mixing machines for feed preparation, and fodder dispensers; maintenance machines, namely, grinders, brush cutters, and roadside mowers; earth-moving machines; lawnmowers; ] parts or components of these machines, namely, chassis, hitch devices in the nature of separators, wheels being a part of machines, bearing housings, and hydraulic and hydro-pneumatic motors

[ Vehicles and apparatus for locomotion by air or water, namely, trailers, feeder trailers and mixing trailers, tractors, cars, small wagons, and wagons; crankcases for land vehicle components, other than for engines ]