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John Deere Tractors Discussion Forum

4020 Diesel engine oil weight?

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Dave B.

08-29-2004 18:43:27

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I keep getting mixed opinions on what weight engine oil I should be using in my diesel 4020, so I decided to let you guys give me some ideas.

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Dave B.

08-30-2004 21:08:56

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 Re: 4020 Diesel engine oil weight? in reply to Dave B., 08-29-2004 18:43:27  
Thanks guys my owners manual called for 10w-30 and 20w but it didn't tell if that was gas or diesel. Anyway thank you for your advice.

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08-29-2004 20:38:46

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 Re: 4020 Diesel engine oil weight? in reply to Dave B., 08-29-2004 18:43:27  
What does your owners manual say to use? If the manual is missing call 1-800-522-7448 cheap from Mother Deere.

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08-29-2004 19:44:22

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 Re: 4020 Diesel engine oil weight? in reply to Dave B., 08-29-2004 18:43:27  
J-D oil is way over priced,,,,, I use case IH No- 1, 15-W40 I got Allis , J-D, Detroit, Cumminns,IHC,Cat, Ford, Nothing but good luck,,, billyiron,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,, ,,,,

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I Bleed Green

08-29-2004 19:03:39

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 Re: 4020 Diesel engine oil weight? in reply to Dave B., 08-29-2004 18:43:27  

The best their is! John Deere Plus-50 15W-40 Spring Summer Fall and Winter!

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