farmall 100

sgtbull

Member
Working on a 100. Looks like its had a hard life. The block is not original, and appears to have come from a combine or similar application, as on the right side, where it bolts to the bell housing, there is a "divot" in the block that exposes a part of the bell housing, to accomodate a starter coming into the ring gear from the "engine" side I presume.
It also has a dipstick directly between the oil filter and bell housing.
If this is a combine engine, would there be any other differences that might be a concern? The original radiator was swapped w/ what came from the combine and now the sheet metal of course does not line up as this radiator is shorter. I hope to put on the correct, taller radiator to get all to line up.
Also, the front bolster has had some cobbled up weld repairs. I'd like to replace the whole thing. Can anyone tell me, if the front bolster is the same on a C or super C? Wendel's book said the 100 replaced the B, but I'm guessing that is just as it is relative to the 200... it sure looks a lot like a C.
 
HI
The 100 is an A
the 200 is a C
The 100 should be like a Super A
Hugh Mckay would have all the details
rob Baird
 
On the side of the engine it is cast with a number. C-113, c-123 etc. What is yours? I have a Super A (same thing but older) with a c-153. It fits everything bolts up, but there are differences. BTW the number after the dash is the cubic inch displacement, yours should be c-123.
 
Sgt: Farmall 100 has a dipstick between oil filter and clutch housing as you describe. If the engine block part number is 354898 R2 or R3 it is a 100 or 200 engine. Sounds to me as though you have a 100 with a Super A radiator. 100 radiator is 2" taller than Super A radiator. Front bolster from a SA, 100 130 or 140 will fit. C, SC, 200, 230 and 340 have steering shaft on opposite side, probably wont work too well.
 
Hugh, thanks bunches. I've torn into it and it has 3.250 pistons, which if I understand correctly, were a common oversize for that tractor. I need to find some good pics or a good restored/ original to get a look see at how some things are done. I'm guessing that the oil pressure gauge would have been in the console w/ the switches? Currently there is an ammeter and an open hole w/ no indication of an oil psi gauge having been there, but w/ the engine swap, its hard to say where things went. Was there a temp gauge anywhere?
I've spent the better part of my evening w/ hammer, torch, anvil and dollies, straightening the mangled grill. Head is at the shop getting new seats and valves, and the master "how much can I spend" list is taking shape.
I'm actually working the tractor over for a good friend, to whom I'm indebted for many hours of carpentry work.
 
Sgt: 3,250 pistons are right for a farmall 100. It has the C-123 engine. Oil pressure gauge was not on dash, rather right down on base of oil filter. I've never seen one with a water temp gauge, it is possible though, and probably that is what they had on dash. Look for that block part number, goes forward from behind oil filter, 3/4" high digits. That will tell us what you have.
 
The picture shows a Temp gauge mounted to Governor housing top 2 bolts. This would explain those Temp gauges that have only a 9 inch long lead (like YTMAG parts)

It would be nice if YTMAG could also sell the bracket.
v6188.jpg

v6189.jpg
 
WHACK! (sound of me smacking my forehead!) Yes, that does explain the 9" lead thing. I saw that and was really wondering what the heck was up with it... had NO idea where the temp gauge woudl go that a 9" lead could reach. Thank you very much... now it time to look for the bracket!
 

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