{"version":"1.0","type":"link","title":"Tractor unit - Newikis","description":"A tractor unit is a characteristically heavy-duty tow vehicle that provides motive power for hauling a towed or trailered load. The largest such vehicles are similar to locomotives, which fall into two categories: heavy- and medium-duty military and commercial rear-wheel-drive semi-tractors that…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/8/82/Peterbilt_truck_6.jpg/1280px-Peterbilt_truck_6.jpg","thumbnail_width":1280,"thumbnail_height":960}