Anonymous-0

Well-known Member
i got an older 9n and i am wondering if any one knows how much tranny gear lube it holds' it has been sitting for a long time and moisture filled' and what wieght to put in there. also was the paint color on them old 9n's all gray or gray and red on the bottom thanks any info is greatly appreciated lrry
 
That tractor has 3 drain plugs one fill plug. Takes just a tad under 5 gal to fill and you need a yellow metal friendly oil that meets a GL-1 spec. 9N and 2N where when new ALL gray but many got painted gray over red to sell them as the new improved 8N
 
lrry65.........ALL 9N/2N's need 5-gals of 90wt gear oil. GL-1 is close approximation. Drain the small diffy square plug first, 'cuz it'll pee with some accuracy. Then drain the 3"-tranny plug, and finally the 3"-hydropump pan. Do NOT try to drain the corner pressure test port, it is only worth about 4-oz of oil. Slowly fill by the tranny shifter. Many gitt WATER in from the BIG coil spring under yer butt-buckett, turns the oil GREY. ALL 3-speed 9N's came from the factory solid grey; variously called battleship grey, forest grey, industrial grey. It was the BEST cheap paint Ford could spray. In 1947, Ford came out with the 4-speed red belly 8N. Many thought that was purdy and dealers would re-paint the 9N/2N's redbelly with lite gray sheetmetal 'cuz it re-sold better. Its yer tractor, paint it enny color that pleases you. ........Dell, yer 20/20 painter (looks good at 20ft or 20mph)
 
if it's got water in it, dump in a gallon of diesel and a couple pints of 90% rubbing alcohol.. drive around a couple times in the yard.. i would not engage the pto.

then drain.
 
Yes but it is what ford calls for in the newer ones so it meets the ford spec but when new it was the GL-1 90W oil
 
so what your saying is i should be doing the laundry with a old "wringer" style washer and not with one of the new front loaders which saves water and electricity or gas ???
 
No what I am says is that the GL-1 was what has been run in them forever and if the system has problems like a leaky lift cylinder or wek pump etc the GL-1 will work better because it is a 90 weight oil where as the 134D is more like a 20 weight oil and if you have a weak system that can make it a system that does not work
 
Gl1 was used well into the 60s.Ford Motor co never said use 134.My 640 lost lift power in warm weather with 134.Works fine with 90 gear oil.The ring and pinion in your tractor is the same parts used in Ford big trucks in 1930.They used a 140 gear oil in hot weather.Extreme pressure oils came later.20 weight oil is too light for a 9n.CNH came up with 134 they didnt want your tractor to last.Ford did say to add some 80 gear oil to tractors used in cold weather.
 

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