traction engine definition
traction engine means a steam or diesel engine used for drawing heavy load on road or across fields;
traction engine means a historic model, historic power boiler, portable steam engine, donkey engine, steam car, steam boat, steam locomotive, historical vertical boiler, or steam traction engine tractor utilized primarily for exhibition purposes.
traction engine means a motor vehicle propelled by steam power and designed for use on roads and not for the carriage thereon of goods or of passengers