2001 F350 4x4 7.3l diesel manual 6 speed transmission. This is my my husbands truck. He is a student at Chico State's sustainable manufacturing engineering program. He is always working on this truck when he has time & money! he got it from his uncle promising him he would never sell it. We took it camping on our honeymoon last year and camped out of the back of it, so it is a very special truck to my husband.