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what to change engine, diff and gear oils,
what grade and brand would you recommend as the best option

front & rear diff- valvoline 85/140 lsd formula
gearbox - valvoline 75/90 lsd formula
transfer case (auto) - valvoline max life ATF

have used many different brand and grades of oil, however from my experience these are the best oils for the drivetrain of these t6 rangers.....do not use any 85/140 in the gearbox, u may start to experience some stiffness/sticking on mornings....

thanks. how about castrol?

anyone one else have a different recommendation?

castrol is a good oil, but i was really blown away by the results of the valvoline...in any event get a 75w-90, mobil 1 is another good one but the valvoline takes the cake

danOntheRun wrote:what to change engine, diff and gear oils,
what grade and brand would you recommend as the best option

I just changed all liquids and went Mobil everything. Heard very good reviews about the valvoline as well.

V2NR 3.0 wrote:

danOntheRun wrote:what to change engine, diff and gear oils,
what grade and brand would you recommend as the best option

I just changed all liquids and went Mobil everything. Heard very good reviews about the valvoline as well.

i use valvoline when re-assembling gearboxes and boy! that oil real real nice, no synchros sticking and the bearings love it. The t6 model ranger comes with 2 gearbox options, the 5 speed (mt75) and the 6speed (mt82) and they both love it....

ok thanks guys. sounds like more ppl recommending valvoline ..