Hello Lyndon J
What a fantastic story and provenance to this machine!

These were great machines in the day - with good sales in Australia
to sporting, commercial and municipal bodies.

This particular machine was a YR60 but fitted with the larger engine.
This is an earlier machine with all-belt transmission - one belt to
the transaxle; and matched set of belts to the cutter deck. Later
machines would have shaft drive to the deck.

[Linked Image]
Folks loved that these machines had a turn radius equal to their width,
and that they had a clever Rockford clutch - essentially two sets
of multi-plate clutches on the same shaft - one forward; one reverse. No clutching.

[Linked Image]

Many thanks.
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Jack