“Motor vehicle” means every vehicle propelled or drawn by power other than muscular power, except motorized bicycles, road rollers, traction engines, power shovels, power cranes and other equipment used in construction work and not designed for or employed in general highway transportation, hole-digging machinery, ditch-digging machinery, well-drilling machinery, farm machinery, trailers used to transport agricultural produce or agricultural production materials between a local place of storage or supply and the farm when drawn or towed on a street or highway at a speed of twenty-five miles per hour or less, threshing machinery, hay-baling machinery, agricultural tractors and machinery used in the production of horticultural, floricultural, agricultural and vegetable products, and trailers designed and used exclusively to transport a boat between a place of storage and a marina, or in and around a marina, when drawn or towed on a street or highway for a distance of no more than ten miles and at a speed of twenty-five miles per hour or less.
(ORC 4511.01(B))