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Old 04-16-2003, 10:32 PM
ksland's Avatar
ksland ksland is offline
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Join Date: Mar 2001
Location: Cape Cod, Ma
Posts: 927
Walk Behind replacement engine

My older model Scag 48" fixed deck hydro seems a bit short on power with the 14 kawi it has. Seems newer mowers are going with more hp. What is a good replacement engine? It has an electric clutch so it would have to have an alternator. I was thinking something like a 17. Maybe a twin? Just looking for a close to direct swap without having to do too many mods.
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Old 04-16-2003, 10:36 PM
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grassdaddy grassdaddy is offline
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Join Date: Dec 2002
Location: chattanooga,tn
Posts: 565
I have 2002 17/48 scag,if I keep it long enough to replace engine,it will be bigger than 17,BIG torque diff. between 17 and 19.
Grassdaddy and Family
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Old 04-16-2003, 10:40 PM
MacLawnCo's Avatar
MacLawnCo MacLawnCo is offline
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Join Date: Feb 2002
Posts: 1,847
Originally posted by grassdaddy
BIG torque diff. between 17 and 19.
Thats because the 17 is the same displacement as the 15 and the 19 is the same displacement as the 21, 23, and maybe 25.

Last edited by MacLawnCo; 04-16-2003 at 10:44 PM.
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Old 04-19-2003, 09:41 AM
xpnd xpnd is offline
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Join Date: Dec 2002
Location: Mckinney TX
Posts: 378
Kohler has a 18hp motor that is very nice and matches the bolt pattern. A very large lawn company ( they do mostly gov't contracts and only LARGE commercial sites) switched their equipment line from SCAG to Great Dane. They were virtually giving the Scaggs away at $500.00/per. I purchased two 48 belt drives, consolidated into one and set the 18 on it. It almost sucks the grass out by its roots. Even on this older machine the quality of cut is superior to my other Scags and the only reason I can see is that it is now over powered and never bogs down in the turf. One of the 48's came with a nearly new 14 Kawi that I'll be swapping to my 32" Scag this weekend and I purchased a spare 18 to put on my 36.
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