DJK

Member
I went today and looked at a 400D. It is a decent tractor. The guy that owns it is the second owner, and he has not abused it. The price is right, but I have to questions. First, the ole farmer down the road says the 350, 400, and 450 diesel's were known for having problems, is that true? Secondly, the nose is painted white, as is where the decals on the side of the hood are. Is this orginal? Thank you.
 
look for water in the oil and oil and the water. Crack the oil drain plug just enough to see if any water comes out. Also check for oil and air bubbles in the radiator while running. There great tractors just have to have alittle bit of know how with theses diesels.

Andrew
 
look for water in the oil and oil and the water. Crack the oil drain plug just enough to see if any water comes out. Also check for oil and air bubbles in the radiator while running. There great tractors just have to have alittle bit of know how with theses diesels.

Andrew
 
Andrew is correct. They are touchy beasts, but there was a lot happening to make them the leader in diesel farm tractors. That is part of what makes them so neat.
If it runs now you shouldn't have any real problems. You would have $2000 in rebuild of the fuel system and probably about that much in rebuilding the engine. That is your worst case scenario, but if it runs now you should be alright.
 
The only similarity between the MD thru 450 diesels vs the 350 diesel is the fuel. Completely different engines. Most problems with those diesels or any engine for that matter is a malfunction of the operator.
 
(quoted from post at 15:25:34 06/02/10) I went today and looked at a 400D. It is a decent tractor. The guy that owns it is the second owner, and he has not abused it. The price is right, but I have to questions. First, the ole farmer down the road says the 350, 400, and 450 diesel's were known for having problems, is that true? Secondly, the nose is painted white, as is where the decals on the side of the hood are. Is this orginal? Thank you.

The 350 diesel engine was prone to breaking crankshafts, it is not a real common problem, but it can happen. The 400/450 diesel engines were prone to cracking heads, but with proper care and operation, the chance of these problems happening is minimized.
 
I can attest to the broken crankshafts on the 350 diesel (Continental engine not like the MD's/400 series like others said). When I was taking the engine appart on my 350 diesel that had sat in the woods for 12 years before I bought it, I removed the front main bearing and the front half of the crankshaft fell out on the floor. Good thing I had my feet out of the way. I was amazed it broke where it did as it broke in the thick section between the rod bearing journals. I also have an MD. Roger
 
Run them on gasoline when it is winter (40 or less) for 3 minutes on gasoline then switch to diesel. in summer less time is needed to switch over, but never less than a full minute unless it is already warmed up. The shutdown is similar, let it Idle on diesel for 5 minutes if it has been worked or up to operating temp. if not warm, just shut off the diesel fuel and all is well. The lever should remain in the diesel position. (this topic has been beaten to death, but I stick to my story and have had no issues at all with my former MD (Now sold and still running).
They are efficient, and easy to live with if not left to go to the dogs. It is one of the few diesel tractors that can be easily hand cranked. It has no glow plugs or heaters on the intake, and is in that way simple. Jim
 

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