I think what I have is A 1979 2 wheel drive Chassis and cab (F350). I am basing the 1979 on the vin sequence number A53178. It was built in twin cities and originally had a 300 CU six in it.To further complicate this mess is it now has a 351 and automatic in it I can't identify. Also is...

Finally found a numberI finally found the number on the right frame rail just fwd of the trans crossmember. It is F37BPA53178. Can you tell me what I have. Thanks in advance to all

One more pic

MoreHere is pic from different view

Unfortunately the cab is no help since it's 1948 studebaker m15. It's a two wheel drive so no transfer case. It does have an automatic. To me it looks like the engine and trans and rear end have been married to this frame since birth. I will try to attach a few more pics of the frame and...

Acquired in a trade and have no idea what I have. Any chance anyone can tell me from the picture where to start looking. It's a dually, 351 automatic. Frame has thick reinforcement plates on it like it must have carried lots of weight. Will try and get some pictures posted. Many thanks in...