crawlertractor
nounUK /ˈkrɔːlə ˈtræktə/
US /ˈkrɔːlər ˈtræktər/
A crawler tractor is a big machine with tracks instead of wheels that moves slowly over rough ground.
The crawler tractor pushed the heavy rocks out of the way.
OTHER MEANINGS
2. A tractor that runs on continuous tracks for grip on soft or uneven ground.
Farmers use a crawler tractor in muddy fields where wheels would sink.
3. A powerful machine used in building and mining to move earth.
The crawler tractor cleared the dirt for the new road.
4. A vehicle with metal tracks that spreads its weight so it does not get stuck.
The crawler tractor climbed the steep hill without slipping.