Bullocky

Bullock team hauling wool on a dray, Walcha, New South Wales
Yoking up the leaders of a bullock team.
A colour postcard printed of a team of 26 bullocks carting a large load of wool ca. 1909.
A bullock team at Farrell Flat, South Australia in 1911.

A bullocky is an Australian English term for the driver of a bullock team. The American term is bullwhacker. Bullock drivers were also known as teamsters or carriers.