Hey Guys, I have an MT and when I brought it home, I changed all the fluids, but did a flush prior to that... Depending on where you live, here is what I would recommend...if where you live it gets real, real cold, then you might want to just stay with 90wt, but I replaced both my tranny and final drives with a 85-140wt and the difference in sound and smoothness is unbelievable...Wayne in TN uses straight 140 in his 40+ series tractors... I live in texas so I rarely experience the cold issues the guys up north experience...however, the 85-140 should adapt to lower temps unless you get constant 20-30 below temps...try 90, then 85-140wt and she what she like better.. if it is real cold when you refill your tractor, the 85-140 should be left inside your house for the night, because outside ambient temp will make it pour real slow...if you pour 85-140 in cold weather, it's a good upper body workout. regards, tom
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