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South Central ND | We usually put 80 90 gear oil in both. Synthetic if the customer was willing to pay or if the customer used it hard. There were so many suggestions even hygard could be used. I finally came to the decision that any kind of oil is better then no oil. Not the best of thinking as I know the book recommends certain oils but I remember the old 9600 jd used 30 weight in the book which was later changed to hygard so as oils changed so did recommendations. I do know that if that 30 series has a limited slip you need to add the additive in the axle housing. | |
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What kind of oil in MFWD hubs?
