White FST-15 Mower, Lawn and Garden Tractor Category
Original Model: Briggs Vanguard 28Q777-0129-01
The style of oil filter on this engine limits the possibilities on this tractor. If you have an electric clutch, you will have to use the alternator and regulator off of your old engine. If you have a fuel tank or fuel pump mounted to your engine, you will also have to use it off of your old engine.
Parts List
2 ProductsEngines
31R907-0050
17.5hp Briggs & Stratton Intek Series Engine, Vertical 1x3-5/32 Shaft, Electric Start, 9 Amp Alternator (for rinding lawnmowers without the space available to change an oil filter)
31R977-0054
17.5hp Briggs & Stratton Engine, Vertical 1"x3-5/32" Shaft, Electric Start, 9 Amp Alternator, Fuel Pump
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General Disclaimer
While we may have sold many engines listed above to be used for a White FST-15 Mower, Lawn and Garden Tractor 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.