My H (S/N 13126) has a 1/4" pipe outlet for the fuel sediment bowl but the only bowls I can find are 3/8" pipe. I can adapt to the 3/8" bowl but did some of the early Hs come with a 1/4" outlet? It is a gas/distillate tractor with the small gas tank. Thanks in advance!
 
Tommy, I have a very early 1939 Farmall H (Ser. # 13xx). I also have the "Originality Guide"/Farmall Letter Series Tractors book by Guy Fay and Andy Kraushaar. I haven't been able to find anything about the gas tank outlet size in their book or any other place, BUT . . . my outlet size is also smaller (just like yours) and a replacement sediment assembly will not fit mine. My tractor is an all gasoline version. I WISH somebody"d put together all the early H changes, not just decals. One question of mine is square notch throttle versus saw-tooth. All best regards.
 

The saw tooth throttle would be original. The square notched throttle did not come along until MUCH later, maybe on the Supers?

I'm going to do some digging. I think there are other brands of tractors that use the 1/4" tank fitting and MAYBE a sediment bowl for one of those tractors could be made to work.
 
Rusty, thanks! As to the square notch and the saw tooth throttles, I know that old F-20's had the square notch throttle, so I've supposed the early H's and M's also had that type. I still wish there was some "proof" that you're right. Is your knowledge based on having seen a number of very early and original ones? Thanks again.
 
The only "proof" I have is I lived in those years and drove those old H's and M's thru the late 1940s and never did I see a notched throttle lever. One of the selling features of the sawtooth throttle vs the old throttle on the F series was it was "easier and more modern" to drive in every way...just pull back and go faster. First notched throttle on an H was purchased by a farmer who said his original throttle "didn't stay in place". The notched throttle fixed that problem, but the real problem was his whole throttle linkage was not set correctly...a common thing in those days with farmers who didn't care to investigate or just had a pliers for their whole tool supply.

I saw a 300 utility with the throttle knob off so the farmer just snapped on a vise grips and drove it that way for 20 yrs.
 
Have an early 1940 M bought new by my grandfather so I know most of the history of it. It came as a distillate or kerosene burner with the starting tank. The sediment bowl was under the starting tank which had a 3/8 inch pipe outlet. The main tank had only a shutoff valve with 1/4 inch pipe threads. When we changed it to gas only, I had the 3/8 male end on the sediment bowl turned down and rethreaded to 1/4 thread and put it under the main tank. Removed the starting tank (still have it).
 

The kerosene/distillate tractors DID have the sediment bowl installed under the starting tank, but that sediment bowl had two (2) outlets, or inlets, whatever you want to call them. One inlet was connected directly the main (large) fuel tank, and the second outlet fed a fuel line that went to the carburetor, so when the tractor was running, the distillate fuel from the main tank went first to the sediment bowl under the starting tank, and then it fed the carburetor.
 
Ahah! Thanks Rusty! The one I found does have the 2 inlets so all I need is some sort of valve for the big distillate tank.
 

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