Re: Gearbox oil.

Posted by JWL On 2016/5/22 11:28:59

2150, make sure the gear oil you put in the differential is rated GL-5 and/or HP. GL-1 is fine for the trans, OD, and steering box, but not for the diff. The diff requires a high pressure rated oil or else the ring and pinion gears will be damaged. The 85W-140 viscosity is a good all season type.

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