Scag STT61-CH25S Mower, Zero Turn Category

Original Model: Kohler CH25S-68699

The CH25S-68699 has a 1-1/8"x 3.35" Shaft. It supersedes to the CH730-0066. The CH730-0066 has the large air breather.

Parts List

2 Products



23.5hp Command OHV Horizontal 1-1/8"x3.35" Shaft, ES, fits Scag, replaces 68579 & 68613, 68699, 0066, (25hp substitute for this item is CH740-3145) Kohler Engine



Temporarily out of stock. Order now or call 800-321-6725 for information


25hp Kohler Command Engine, Horizontal 1-1/8"D x 3-11/32"L Keyed Shaft, Electric Start, 20 Amp Alternator, canister Air Filter



Available to ship to you direct from our supplier.

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General Disclaimer

While we may have sold many engines listed above to be used for a Scag STT61-CH25S Mower, Zero Turn Category, we are NOT claiming these are exact replacements unless the product notes explicitly say so. Many original equipment engines may no longer be in production because of obsolescence or EPA regulations, so in some cases there may not be an exact replacement available. Our intention here is to show that other customers have utilized these in the equipment shown, but may have had to make some modifications to do so. If we know of any required changes, we will list those, however, some adapting during installation should be expected.