1985 Ford F-350 is a car which belonged to Jack's White Supremacist Gang.
Jack, Kenny, and Todd use the Ford F-350 to transport methylamine to New Mexico. ("Confessions")
This car is used by the gang to come to the coordinates indicated by Walter before he was arrested by Hank. ("To'hajiilee") The Neo-Nazis load all seven of the barrels of money at the back of the vehicle. ("Ozymandias")