7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
tractor-drawn, mounted and/or powered implements, accessories and parts thereof-namely, plows, tillers, cultivators, sub-soilers, middlebusters, harrows, planters, pakes, mowers, balers, corn pickers, corn harvesters, picker-shellers, forage harvesters, crop blowers, combines, loaders, dozers, snow plows, scoops, tractor mounted frames, tractor mounted blades, manure spreaders, rotary cutters, and post hole diggers