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Show Parts for Model:

tranny oil

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Author  [Modern View]

10-23-2012 20:41:48

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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

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10-24-2012 05:47:36

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 Re: tranny oil in reply to lrry65, 10-23-2012 20:41:48  
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.

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Dell (WA)

10-23-2012 21:54:28

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 Re: tranny oil in reply to lrry65, 10-23-2012 20:41:48  
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)

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10-23-2012 21:47:41

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 Re: tranny oil in reply to lrry65, 10-23-2012 20:41:48  
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

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10-24-2012 11:33:36

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 Re: tranny oil in reply to old, 10-23-2012 21:47:41  
isn't 134-D ok to use??????

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10-24-2012 12:39:38

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 Re: tranny oil in reply to s19438, 10-24-2012 11:33:36  
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

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10-24-2012 13:22:45

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 Re: tranny oil in reply to old, 10-24-2012 12:39:38  
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 ???

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10-24-2012 13:27:29

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 Re: tranny oil in reply to s19438, 10-24-2012 13:22:45  
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

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10-24-2012 13:49:04

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 Re: tranny oil in reply to old, 10-24-2012 13:27:29  

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36 coupe

10-27-2012 04:24:33

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 Re: tranny oil in reply to s19438, 10-24-2012 13:49:04  
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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