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What engines will fit Hayter 21?

I have a Hayter 21 mower which is (was) great for cutting rough grass in paddock. It is around 34 years old and the Briggs and Stratton engine with vertical shaft has finally died. Does anyone know if any other - especially Honda - engines can replace it?

Mark Boulton
July 2009
Which model? Does you engine have a side PTO for the power drive? If so, forget the Honda - they have their own (peculiar) ideas about auxilliary PTO drives, and it won't fit your chassis - besides, if the Briggs lasted 34 years, the 'extra' reliability is not going to be an issue......

If there is no power drive, any newer engine from Briggs or Tecumseh will fit subject to the correct crank length. If there IS a PTO, the choice is still Briggs or Tecumseh, but probably used, as neither have made a side PTO engine for many years. Another option is to get a new engine from the same model series as your existing engine, and swap the sump pans and camshafts with the PTO drive components.

Are you sure your existing engine is a write off - there's not much that can't be fixed on a Briggs.

phil_saunders(a)bigfoot.com

Phil Saunders
July 2009
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