Indmar says 15W-40. I think I remeber it right that the MC manual says ATF in one place and 15W-40 in another. Dealer says ATF. ZF manual says ATF, and the 2 ZF reps I have talked to are very suprised by the 15W-40 concept. Engine/tranny comes shipped from Indmar with 15W-40. What to use? Has anyone gotten a straight answer on this? (Note, ZF tranny / v-drive is all in one unit, no separate v-drive).
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