* Designed for heavy-duty applications such as construction, logging, and agriculture
* Typically has a higher GVWR (gross vehicle weight rating) than on-highway tractors
* May be equipped with specialized features such as a PTO (power take-off) unit or a hydraulic lift
* Often used in conjunction with trailers or other specialized equipment
On-highway Tractor
* Designed for general freight hauling on public roads
* Typically has a lower GVWR than vocational tractors
* May be equipped with a sleeper berth for long-haul trips
* Often used in conjunction with semi-trailers