About: crawler tractor

Premodifier: crawler
Head noun: tractor

Same concepts
http://dbpedia.org/resource/Continuous_track

Broader concepts

label	provenance	confidence
heavy construction equipment	isap:317603730	0.785398
prime mover	isap:34559371	0.731700
equipment	isap:317603690	0.568953

Narrower concepts

label	provenance	confidence