Quote Originally Posted by Engine Nut View Post
With permission of the manufacturer, we changed the oil that we install in the Walter v-drive to 15W40, the same oil we recommend for the engine. There has been no detrimental effect noticed from this change and it makes it easier for the customer and for us as well. The Walter v-drive is pretty tolerant on the oil type so the change to 15W40 was pretty much a non-issue. The oil recommendation change was made in later Indmar operator's Manuals.
Thank you for the insight!

I appreciate you taking the time to explain!