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Old 04-13-2006, 03:18 AM
joeg2246 joeg2246 is offline
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Vertical vs Horizontal mounted engines

I am purchasing a new Exmark 50" Triton deck with the 27HP Kohler. What, if any are the differences / advantages to choosing between a vertical or horizontal mounted engines? Thanks for any comments!!!
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Old 04-13-2006, 03:44 PM
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lawnmaniac883 lawnmaniac883 is offline
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Do a search, there was a thread almost identical to this one with just about the same question. Found it...
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Old 04-13-2006, 07:05 PM
lucforce lucforce is offline
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Wow! First time that I read that thread. Lots of conjecture.

Anyone for reviving the thread in question?
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Old 04-13-2006, 10:42 PM
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Partsangel Partsangel is offline
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Well I'll bite on this one. I think horz engines last longer because of the piston direction. you'll find that the new OHV horz are in a slant position because studies have found that there is less piston wear in a piston traveling in a slant or horz postion. Think about it? havnt you seen those 5-11hp horz engines just keep running and running. now do the math a vert engine has the effect of gravity always pulling the piston assy towards the cylinders bottom and putting more pressure on the cylinder bore than a horz engine does. I gotta go take a nap now!

Mike AKA Partsangel
I teach Small Engine Repair at Community Colleges and it Makes Me Kinda Silly Sometimes Dont me, its just my Opinion
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Old 04-13-2006, 10:46 PM
lawnspecialties lawnspecialties is offline
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I didn't read that entire thread, but it seems to me the mule drives would rob power. I had a SuperZ with the gearbox and it was a disaster. My new one (26 hp liquid-cooled Kawasaki) is a vertical mount and it has been flawless.
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Old 04-13-2006, 11:29 PM
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Restrorob Restrorob is offline
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IMO, Horizontal means more moving parts in a drive system and more parts to wear out and tear up.
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Old 04-23-2006, 04:38 PM
tomo tomo is offline
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Comparison between horizontal[walker] and vertical[greatdane] horizontal-all the ground debris either sticks toair inlet screen or goes through to clog cyl.fins. Choclate bar wrappers tissues etc- block screen & cause overheating. Temperture guage fitted. I have many s/hand engines 600-1300hrs all overheated vertical -after speaking to operater [he does all the general maintenance] Machine mows more grass than i do mostly.Screen does not block with either dry or damp/wet grass or papers . 2500hrs ok
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