Autocar was created in 1895.

Autocar Company was created in 1899.

Apparently this is a 1965 Autocar A64b. We found an interesting link to the boneyard with all the trucks used in the film: http://www.imcdb.org/vehicle_56063-Autocar-A64-B-1965.html?PHPSESSID=cb552033722fb5167c72fbbed743c237

Approximately 1900 in 2010. Autocar is the leading supplier of Natural Gas Powered vehicles in the USA. they feature the Cummins ISL-G gas engine. Testing is just being started on the higher horsepower ISX 11.9-G Cummins engine in an Autocar chassis.

Not without a lot of modification.