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!956 IH 400 or not?

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Steven D. Esser

01-06-2006 20:50:56

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I have replaced the engine and the entire hydraulic system on my 1956 IH 400 with the same from a 1955. Will people now think it is a 1955? The '56 has a taller oil filter and an oil dipstick.The forward hyraulic lines came out at a 90 degree angle to the frame. The '55 has an hour meter running off the timimg gears and the oil level is checked with valves on the side of the oil pan. The forward hydraulic lines point forward at about a thirty degree angle. How much of this do I have to convert to keep it true to a 1956 model?

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Steven D. Esser

01-08-2006 12:29:54

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Re: !956 IH 400 or not? in reply to Steven D. Esser, 01-06-2006 20:50:56

Thank you everyone. This was my first attempt at online info. I have a 1955 tractor (s.n. 5314) with a 1954 (12-22-z)engine. I was born in 56 and wanted to keep the 56 true to that year. I wanted to swap the gas tanks anyway, so Iwill need to keep that hydraulic system the same also. The 56 has a s. n. of 36926. It appears that it really doesn't matter which parts I swap, as long as I am happy. Thank you again. Bye

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DWV

01-08-2006 17:09:58

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Re: !956 IH 400 or not? in reply to Steven D. Esser, 01-08-2006 12:29:54

Wonder which state you're in,if you don't mind?
my email is open.

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wolfman

01-07-2006 15:10:06

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Re: !956 IH 400 or not? in reply to Steven D. Esser, 01-06-2006 20:50:56

The serial # on mine says it is a 1955 & it has a dipstick.

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CNKS

01-07-2006 13:46:00

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Re: !956 IH 400 or not? in reply to Steven D. Esser, 01-06-2006 20:50:56

You have a 56 -- a replacement engine does not change the year of a tractor any more than that of a car. Also technically there is no such thing as a 55, 56, etc, as IH did not change tractors by calendar year. Significant changes occurred whenever IH decided upgrade something--the only way to find that out is with a parts book, it will give the serial number where the change took place. Thus, there may be a change in the quick disconnects at a certain serial, but it is unlikely that all built in 55 will be one way and all built in 56 another. Or if both versions of the quick disconnects fit all 400's there may not be a serial break at all, just a modified part number.

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John M

01-07-2006 05:24:18

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Re: !956 IH 400 or not? in reply to Steven D. Esser, 01-06-2006 20:50:56

I wouldnt worry about it. If you are selling it them just tell whoever it is that its a 56 with 55 engine. If youre showing it who cares what the correct police think.

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DWV

01-07-2006 03:53:21

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Re: !956 IH 400 or not? in reply to Steven D. Esser, 01-06-2006 20:50:56

Early 400 carburated engines didn't have a dipstick but the oil filters should be same size.
Maybe someone put the shorter top used on some H
,SH,300 ,350. Only know of 2 types of original hydraulic pipes to pump on carburated engines.
Solid steel from reservior to pump and other type has short piece of hose near pump on suction with clamps.Pressure side is maybe 15 inch or so hose
from steel line to manifold pipe from pump.It screws on that end.Some Had the hour meter.

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Hugh MacKay

01-07-2006 03:26:57

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Re: !956 IH 400 or not? in reply to Steven D. Esser, 01-06-2006 20:50:56

Steven: What do the casting codes tell you on both the engine and hydraulic unit, and for 55 and 56 in both cases? Z is 1954, A is 1956, B is 56 and C is 57. Are you sure the tractor had it's original engine when you started? Is it possible someone may have changed this tractor engine in the past 50 years? I'm not aware there were any changes during 300 or 400 production. However IH was famous for making changes near the end of a production run of a particular model. Just wondering if your 400 could be a late enough 56 model that some of the original was actually 450?

The casting codes are that series of numbers and a letter, cast in place, and look like they have a blade type round head screw cast between digets. The letter tells year and numbers give you day and month casting was cast. The other numbers that can help are block and hydraulic unit part numbers, they will be about 3/4" high cast letters, 6 to 8 digets ending in R1, R2 or R3. I can't help you identify those part numbers but someone here at YT will know if you list them.

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Steven D. Esser

01-07-2006 13:20:11

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Re: !956 IH 400 or not? in reply to Hugh MacKay, 01-07-2006 03:26:57

Thank you very much. The front timing cover on the 55 had a date of 10-14-z(1954)and 360681-R1 The 56 had 4-3-b and 354954-R3. When I picked it up (tractor) the grill had a badly faded white paint job. A dealer said it was a 400 that someone painted. Could the different location of the hydraulic Quick Discnnects be an option or were they positioned differently for 56 than the 55?

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DWV

01-07-2006 16:08:44

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Re: !956 IH 400 or not? in reply to Steven D. Esser, 01-07-2006 13:20:11

If you mean the hyd. pipes that come out under gas tank. There was a 18 gallon tank and a optional 21 gallon tank. The lines were different for each tank. The large tank they exit next to resorvior and small tank line or lines exit more forward. I have a 400 serial # 8062 engine # 143292 Date code on block 12 something Z and it came without dipstick. Parts book indicates engine # 146138 and up came with dip stick but some information in other books showes a different #.

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Hugh MacKay

01-07-2006 16:47:26

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Re: !956 IH 400 or not? in reply to DWV, 01-07-2006 16:08:44

DWV: That is the kind of information it will take to solve this; serial numbers at time changes were made, part numbers, etc. I have a feeling someone thinks of me as the correctness police. That is so far from the truth it's laughable. He should come and see my tractors with alternators, etc., etc., etc. I just like to help folks solve exactly what they have. There is one item I wont tolerate and that is calling an A, C, H or M a Super. To call it other than it is, is fraud.

You mention the larger fuel tank, I had forgotten that one. Probably that is why my 560 had the manifolds at 90 degrees, to allow for more fuel tank space. Could be that we're both right. One thing these tractors all needed was more fuel tank.

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John M

01-08-2006 05:36:07

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Re: !956 IH 400 or not? in reply to Hugh MacKay, 01-07-2006 16:47:26

If youre refering to the comment I made,No I wasnt refering to you Hugh.

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Hugh MacKay

01-08-2006 05:53:33

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Re: !956 IH 400 or not? in reply to John M, 01-08-2006 05:36:07

John: Thankyou.

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DWV

01-07-2006 17:28:12

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Re: !956 IH 400 or not? in reply to Hugh MacKay, 01-07-2006 16:47:26

Hugh,I always found the little differances in some of these tractors interesting and always looking and the more I look makes me understand
that something different is always waiting somewhere. To add more info to subject. The C 264 carburated engines started there # with the SM and
kept on with same numbers advancing through SMTA
and 400. Guy Fay lists engine # 136834 being the first C-264 installed in a Farmall 400 in november
of 54.( hope I quoted that right)So some of the blocks that ended up in 400 may have a cast date some months earlier than that.

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Hugh Mackay

01-07-2006 16:00:51

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Re: !956 IH 400 or not? in reply to Steven D. Esser, 01-07-2006 13:20:11

Steven: Your engine having that Z casting code plus taps for checking oil level and smaller filter could well be an engine from a SMTA. However you do say the codes were front timing cover. What do the block casting codes say? The heads will also have a code of their own, what are they? Block and head will have part numbers as well.

Another reason you may want to know is that same basic engine had it's cubic inches increased a couple of times through M, SM, SMTA, 400 and 450 production. I'm not sure whether that occured at exactly model change time or at a certain serial number. Ask that question. Some of these YT guys know the answer.

The hydraulic manifolds leading to quick couplers had a design change somewhere between 400 and 560. Early 400 plumbing did extend at an angle while 560 came out at 90 degrees. If you note what CNKS said, not all changes occured at model change time. That change may well have occured during 400 production and some 400s plus all 450 and 560 are the same.

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DWV

01-07-2006 16:12:40

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Re: !956 IH 400 or not? in reply to Hugh Mackay, 01-07-2006 16:00:51

Hugh,I was typing and did'nt see your post until
I had posted.

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