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Case Tractors Discussion Forum
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oil change on 300 diesel

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alan wiggins

03-15-2008 07:02:49




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getting ready to change fluids.engine oil should be 10w30 correct.my real question is hydraulic fluid replaced line that busted need to refill .i am very confused . some say 30w ,a atf fluid , and hydraulic fluid . what i see supply houses is hydraulic oil 32w or 46w and hydraulic fluid 303 .dont want to mess up cant some one help answer this quetion for me thanks




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alan wiggins

03-15-2008 19:52:25




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 Re: oil change on 300 diesel in reply to alan wiggins, 03-15-2008 07:02:49  
thanks for information ill go with your recommendation thanks. went to parts house to day to get belt and man looked computer and guess what it fit first time ever for me!and im standing there with old belt in three pieces thinking this was going to be hard.



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j heitkemper

03-15-2008 18:42:16




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 Re: oil change on 300 diesel in reply to alan wiggins, 03-15-2008 07:02:49  
RELAX Allan . Any Of the oils you have listed for Hydraulic reservoir is acceptable , Most important , Is that it be CLEAN .. My 430 calls for 30 weight. Years back ,We Had a 300 and a 530 and treated them the same .If working in extreme cold , I would change to 10 wt oil if lifting was sluggish until warmed up . The hydraulics on the 300 are not delicate such as a CASE -O -Matic ,Power shift CASE 970 or Power shift4020 DEERE,, Those 3 trannys are very picky about what you put in them . Best wishes , Jim

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Larry59

03-15-2008 18:30:03




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 Re: oil change on 300 diesel in reply to alan wiggins, 03-15-2008 07:02:49  
The book I have shows.. 30 W on oil and 20 in summer. But I use 30 all the time. Works great for me. As for the hydralics book shows 10-w for it.



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