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rear axle fluid change?


 
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Z-man
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PostPosted: Wed Sep 18, 2013 6:15 pm    Post subject: rear axle fluid change? Reply to specific post Reply with quote

I have a TO30 and the rear axle has tanish brown looking fluid in it, I believe it has water in the rear axle, but i'm not sure what type of fluid and were to fill it. I would guess the drain plug is on the bottom can anyone tell me what type fluid it takes Plz n thanks
 
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Bob (Aust)
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PostPosted: Wed Sep 18, 2013 10:27 pm    Post subject: Re: rear axle fluid change? Reply to specific post Reply with quote

Transmission oil, probably the most discussed topic on this forum!!! Smile

It takes GL1 but most of us use multi grade engine oil. I think there is SAE 20/40 in my transmission, although you may wish to use 10/20 if in a cold winter area.

Do NOT use gear oil or hydraulic oil.

At least two drain plugs (may be three, memory failing???) and one filling plug on the top of the transmission, in this photo above the gear lever:



Warm up the tractor and transmission, open the drain plugs and give it plenty of time to drain.
 
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samn40
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PostPosted: Wed Sep 18, 2013 10:45 pm    Post subject: Re: rear axle fluid change? Reply to specific post Reply with quote

3 drain bungs,Bob, and they all resemble the filler bung. Takes a bit of time to fill the oil back in as there is a very small hole between the gearbox and transmission to let the oil through.15W30 oil is good for my tractor and will work in yours also.
Sam
 
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Bob (Aust)
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PostPosted: Thu Sep 19, 2013 2:07 am    Post subject: Re: rear axle fluid change? Reply to specific post Reply with quote

Yes, been awhile since I was under the old girl! Very Happy

Z-Man, the honey colour oil is due to water. Water leaks in around the gear lever (transmission shifter???) and at the spring behind the seat.

You should install a rubber boot on the gear lever - see my photo above - and cover the back of the tractor to keep out rain.

Bob in Oz
 


Last edited by Bob (Aust) on Thu Sep 19, 2013 2:08 am; edited 2 times in total
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Fergienewbee
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PostPosted: Thu Sep 19, 2013 5:28 am    Post subject: Re: rear axle fluid change? Reply to specific post Reply with quote

Just bought a 5-gallon pail of GL-1 at NAPA. Call around. Retail store attached to distribution center wanted $65.00 plus tax. Bought it at a NAPA closer to home for $54.61 tax included.

Larry
 
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Z-man
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PostPosted: Thu Sep 19, 2013 7:01 pm    Post subject: Re: rear axle fluid change? Reply to specific post Reply with quote

Bob, what your saying is to use 15-30 motor oil or is there some other type of oil that u mean?
 
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Z-man
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PostPosted: Thu Sep 19, 2013 7:04 pm    Post subject: Re: rear axle fluid change? Reply to specific post Reply with quote

GL-1 can I assume that means gear Lube? or is it motor oil?
 
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Z-man
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PostPosted: Thu Sep 19, 2013 7:05 pm    Post subject: Re: rear axle fluid change? Reply to specific post Reply with quote

Sam do u mean 15w30 motor oil or what should I be looking for?
 
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Bob (Aust)
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PostPosted: Thu Sep 19, 2013 7:38 pm    Post subject: Re: rear axle fluid change? Reply to specific post Reply with quote

Z-Man. The manufacturer's recommended mineral oil is GL-1. I am not familiar with GL-1 as we don't use that term in Australia.

An interpretation of GL oil grades is HERE

Quote:
ĽAPI Category GL-1 (inactive*) designates the type of service characteristic of manual transmissions operating under such mild conditions of low unit pressures and minimum sliding velocities, that untreated oil may be used satisfactorily. Oxidation and rust inhibitors, defoamers and pour depressants may be used to improve the characteristics of lubricants intended for this service. Friction modifiers and extreme pressure additives shall not be used.


If price is not a consideration, use a normal multi grade engine oil, maybe 10 - 30 if you are in a cold area, 20 - 40 or similar in normal climates.

Quote:
Sam do u mean 15w30 motor oil or what should I be looking for?


15w30 is fine for your Ferguson transmission.

Don't use heavy gear oil or hydraulic oil. The latter in particular, will damage your transmission.

The gear box, hydraulic pump and differential are all combined in and use the same oil, eight gallons from memory?

Bob in Oz
'53 TEA20
 


Last edited by Bob (Aust) on Thu Sep 19, 2013 7:42 pm; edited 4 times in total
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gshadel
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PostPosted: Fri Sep 20, 2013 8:39 am    Post subject: Re: rear axle fluid change? Reply to specific post Reply with quote

Z-man you are looking for GL-1 mineral oil, which is a type of gear oil, but do not use GL-5 or GL-7 gear oil. As far as gear oil goes only GL-1 is rated for your transmission. OR, you can safely use motor oil, like 10W30, 10W40, 15W40. Those are all safe and effective in your tranny also. They provide the added benefit of allowing your hydraulic 3 point hitch work smoother at low temps where the GL-1 is not a multi-grade oil and is thicker when cold causing sluggish 3 point lift action. GL-1 can be difficult to find depending on where you live. I use 15W40 myself and have been quite happy with it for many years now.

GEorge
 
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