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Harry Ferguson Tractors Discussion Forum
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changing oil in to-20

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old professor

10-21-2003 21:18:28




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before i change oil and filter are there any gaskets i need and where would this old mountain man find them. What oil was recommend for engine
i saw it somewhere on board but cant seem to find it now that i need it




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TO24424

10-23-2003 18:58:41




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 Re: changing oil in to-20 in reply to old professor, 10-21-2003 21:18:28  
Have to post one moore... engineering 101...In 1960 the manual for my 1958 austin healey sprite said use sae 30 for highway use, and castrol R40 for competition use. We've come a long way...Castrol R40 was a bean oil...Go to any manufacturers web site and see what oil You'd run in your car. I am not a great advocate of synthetics, even though they have their advantages, however we can't even compare the oils of today with the lubricants of the times when our tractors were built.

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Jerry/MT

10-23-2003 21:57:10




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 Re: Re: changing oil in to-20 in reply to TO24424, 10-23-2003 18:58:41  
I agree with you. The guys that designed our tractors would give their left n.. to have the oils that are avaiable today. Changing oils and filters regularly using modern engine oils is the cheapest insurance for continued operation of these old work horses. They won't fix worn parts and repairs will be necessary, but I will continue to use modern oils on my rebuilt Z129 to keep it healthy and minimize repairs.

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marlowe

10-22-2003 13:12:08




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 Re: changing oil in to-20 in reply to old professor, 10-21-2003 21:18:28  
gasket [[[DOSE NOT]]] come with filter



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toolman

10-22-2003 10:45:58




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 Re: changing oil in to-20 in reply to old professor, 10-21-2003 21:18:28  
i use 10-30 oil in mine,i use the tractor all winter for snow removeal, and use the it all summer too, it does get cold where i live,if you have a cannister type oil filter,the only gasket is a rubber one ,comes with the filter there is three in the filter box pick the one the fits the grove where the cannister top fits in the housing.for mine (the cannister type )napa filter #is 51302.



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Fred OH

10-22-2003 08:58:57




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 Re: changing oil in to-20 in reply to old professor, 10-21-2003 21:18:28  
You're getting seemingly good advise here but you might ask what filter they are using in the TO-20 and whether the spring goes on top or bottom of the filter...once you get in there...seems that has come up before as a FAQ. I use detergent oil in mine (1950 TO-20), don't know what the previous owner used. If he used non-detergent oil...it will get dirty kinda quick. I just keep changing it till it flushes the sediment out of the engine...some say not to do this as it will contribute to leaking seals and maybe compression...but it'll be cleaner to work on if you have to overhaul it (smile). So far, so good...about 5 years and it is okay. Biggest problem so far is when temperatures get down cold...the oil in the hydraulics (GL-1 90 wt) seem to be too thick and makes the hydraulics slow to respond but the oil from MF dealer (thin stuff) will get you around better in cold weather if you use it for snow removal or such. I use 10w30 Pennzoil here in southern Ohio for winter use and it seems to be okay. I don't change the filter everytime...just once every couple of years as I don't use the tractor that much and it's easy to get a drip if you don't use a good sealer or the pan gets a dent at the oil flange. Just ramblin a bit...Fred OH

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TO24424

10-23-2003 18:48:47




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 Re: Re: changing oil in to-20 in reply to Fred OH, 10-22-2003 08:58:57  
Good advice, all. The weight of the oil matters only with your location. Here in florida I'll probably use 20/50 detergent. If youre in the frozen north 5/30 or 10/30 would be the answer. Oil viscosity is its resistence to flow at a certain temp. Colder the location, or fresher the engine, the thinner the oil...lower numbers. Hotter climate or more worn engine, thicker oil... higher number. Hope this helps. By th way, you can not hurt the engine with detergent oil.

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Jeff-oh

10-22-2003 06:15:29




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 Re: changing oil in to-20 in reply to old professor, 10-21-2003 21:18:28  
You should change the oil filter cover gasket. These ~4" diameter gaskets are about ~2.50 from you MF dealer. You can find your local MF dealer at the attached link.

The oil you should use is straight 30 wt. or straight 20 wt. oil. The oil weight is based on air temp. If you are getting ready for winter use then use 20wt. If winterizing and you will not run in the cold then put in the 30 wt. Either way you should have 30 wt. in for temps above 50 deg F. Mixed viscosity oils have not been recommended on this board. The debate continues to rage as to weather to us a ditergent oil or a non-detergent oil.

Hope this helps.

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STEVE MO

10-22-2003 07:22:34




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 Re: Re: changing oil in to-20 in reply to Jeff-oh, 10-22-2003 06:15:29  
Might want to have a good grade of gasket sealer on hand. If you are luckey the gasket will be thick and seal well, but some oil pans are a little warpped and need extra help.



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