Re: Need comparing Farmall 400 to 450 info.

Posted by Red Rider on March 04, 2004 at 20:00:33 from (66.235.45.149):

In Reply to: Need comparing Farmall 400 to 450 info. posted by Ray in Pa. on March 04, 2004 at 16:14:17:

Ray IH did not put any 281 engines in the 400 although the blocks were the same. The 450 had thinner sleeves to obtain the 1/8 in larger bore.

The 400 came with a 264cu so 18 cubic inches would give you a little more hp but not much. I farmed with a 400 and 450 in the late 50s and early 60s. The only difference that I could see was that the 450 used a lot more fuel. The horse power difference as I see it was the 17cu and larger jets in the carb. The parts book list everything between the two pretty much the same.

I still have the 400 with power steering as well as a 300 with power steering. If your pump is not wore out the power steering works fine. Both the 300 and 400 will spin the front wheels lock to lock setting still. As a rule I don't do that unless I lhave to. I like to be moving when turning the front wheels.

As for pulling power they were both good pullers. The only advantage the 450 had over the 400 if equiped was the traction control incorperated in the 450s fast hitch.

Our 400 was diesel and the 450 was gas. So you can tell which one has the most hours on it.

Both tractors were good tractors. However the 400 diesel required far less engine maintance that the gas did. The 400 has never had the head off. The 450 has been rebuilt twice.

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