Old D-4 cat oil check

old

Well-known Member
Asked this in the tractor forum also. Where is the oil dip stick if it has one or the oil check petcock??
Also where is the oil fill for the engine. This is friends machine and I have yet to do more then look at it for 20 yards.
Thanks
 
Rich, see my post on tractor talk, by any chance can you get a serial number off it, or at least tell us what series, ie; 4G,7J,2T, 6U (just a narrow gauge, same tractor) 7U etc. ? I do have a book in my personal tech manual collection for 4G, 7J, and 2T's I am not sure where the break is in the 2T series for the next book, but this will be in the lubricating instructions, they have a fold out chart with photos and diagrams, etc, and it can be specific to a series, as I just stated in my post on the other forum. Old Magnet who does post here and is extremely helpful with these old Cat's will likely know without referring to a book LOL !
 
By the time I can get the serial number I will also be there where it is and probably stand a chance to find the dip stick or drain check plug. That might be in a week or a month or a day hard to say for sure with this guy. I can stay this about this old D-4 it takes 8 arms to run it but that was common with older machines
 
Yes, one foot and one hand to steer one way, add the hand master clutch, and a 5 speed and direction change lever + the power control lever for the blade on my D7, you need to be an octopus! Funny though, a lot of the roads in the U.S. were built with these, not to mention WWII infrastructure, Alcan highway, etc. + all the dams and civil projects, its hard to imagine doing a 12 hour shift on one of these.

Just pull the dipstick, it should be obvious when you look at it, there is enough on the stick. When running the starting engine, cranking the diesel, oil pressure will come up, though I realize you can have pressure and not volume with some things, if that stick has enough showing it ought to be fine, you can sort the details of the tractor later, I thought it was interesting that early tractors are to be shut off to check and the later ones left running, always wondered why they went with it running, on my D7 if not careful that fan will blow dripping oil back on ya.
 
Well, you got me to go look at mine,D4 serial # 7U33676, with pony start. Pulled the stick and turned it over to see the full mark and right their it said " check with the engine running". No marks on the pony dip stick other than the full mark. Guess I have been doing it wrong !! O BTW this has the oil cooler along side the radiator..
Jo
Well I'll just add to my previous answer as tell you the dip stick, oil filter and oil fill elbow are all lined up in a row on the right side of the engine and yes I had to go look again..LOL.
Jo
 

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