In this paper, the tractor-trailer is simulated as an eight-wheel truck, with four wheels on the tractor and four wheels on the trailer.
An F1 tornado touched down 3 miles (5 km) north-northeast of Pennington; first it passed through a farm, causing severe damage to two dairy sheds, a John Deere tractor, and three metal storage buildings.
In secret, at Spandau in Germany, Coandă successfully tested a flying machine equipped with a single tractor propeller, and two counter-rotating propellers providing lift, powered by a 50-horsepower (37 kW) Antoinette engine.
Neil: I started with four tractors and four trailers.
Starting in 1969 with five tractors and seven trailers, Mr. Hunt built his company into one of the biggest carriers, with 10,000 tractors and 46,000 trailers today.
He began farming in 1997 on land leased from his grandmother (he's the sixth generation to farm this land), with borrowed tractors and seven pigs.
In the dreary, daylong drizzle of a few days ago, they auctioned off their farm gear -- plows, swathers, cultivators, combines, planters, herbicide tanks, loaders, five tractors and six trucks.
"She said, 'How am I going to send a person to jail or put them on trial for 70 little logs if I can see thousands or millions of trees growing here?' " In late May, Mr. Berrospi traveled over nearly impassable roads to a logging camp, seizing two tractors and three trucks.
The crash involved a tractor-trailer and two school buses.
