Kohler Magnum oddity

notjustair

Well-known Member
I've got a 16 horse Magnum in my ZTR. I changed the oil today and got it ready to go. Posed a question.

It takes 2 1/2 quarts to fill it with oil. I thought it was wrong when I got it (the old man before me had written it on the shroud). While I was blowing off the engine, I got to looking down in the hole where the engine hides and it has a block extension bolted on the bottom of the block. It raises the height of the engine about three inches. I assume about a quart.

How common were these? What would be the point? It is a repower, so maybe it came from something originally designed to be used on steep terrain? Seems odd. I will tell you that the oil stays just as clean all summer long - it looked new when I changed it today. That extra quart must keep it cooler and have the contaminants more diluted.

I just thought it was odd. I've never seen a bolt on sump extension on anything but my old air cooled VW engines.
 
Nooo. you answered your own question. Some engines have low pans and others have high. Space problems etc. But you have a rugged use machine and the deep pan is extra protection. I think you have something neat! You can also have larger and smaller oil filters. In an engine like that I use oil like 5-20wt synthetic blend oil. Far better stuff than straight dino oil. Internals of the engine stay very clean and OHV valve engines have far less trouble with carbon build up in the heads. I am sure others are going to start grousing but that is what I have seen.
 
I'm guessing that you have the single cylinder M16.
I am aware that Kohler had at least 3 different oil sumps for those engines, and probably more.

Let the other guy run the thin stuff in HIS engine. If it was in my shop it would get 30wt. which I think it was born with.
 
That's what I have always run in my mowers. It gets hotter than blue blazes here in the summer and then don't run in the cooler weather. I had read that those flatheads may use oil if you switch to multi grade. I think that was in the old Briggs manual.
 

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