A steamroller is a form of road roller – a type of heavy construction machinery used for leveling surfaces, such as roads or airfields – that is powered by a steam engine. The leveling/flattening action is achieved through a combination of the size and weight of the vehicle and the rolls: the smooth wheels and the large cylinder or drum fitted in place of treaded road wheels.
Ruston Proctor steamroller (road roller)
Steamroller by Aveling and Porter from early 20th century. On display at the Gangaramaya Temple in Colombo.
Front view of Aveling and Porter steamroller at the Gangaramaya Temple in Colombo.
Aveling and Porter manufactured the first successful steamrollers. Pictured is the model "Britannia".
A road roller is a compactor-type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations. Similar rollers are used also at landfills or in agriculture.
Caterpillar soil compactor equipped with padfoot drum, being used to compact the ground before placing concrete
Antique "Kemna" steamroller
Horse-drawn road roller from 1800
Steam-powered roller