dependableautoshippers.com

I've used these guys, and others like them, several times. The cheap answer is shipping your car "terminal to terminal" rather than door to door. Back when I was in grad school in New Jersey and got myself internships out in California, I twice used them for round-trip shipping of my car. The price is pretty good, especially if you're getting somebody else to pay for it. What you're not getting is much if anything in the way of a quality-of-service guarantee. Once, for example, a different firm who I won't name managed to park something above my car that dripped heaven knows what corrosive gunk onto my roof that required the roof to be repainted. Even when all went well, they still chained my car down, using big metal hooks to latch onto the holes in the car's frame. Several of those holes because noticably distressed, but thankfully never gave way.

For an old beater, like your Harvester, cheap shippers might be the right ticket. If you were shipping something fancier, I'd use a different service.