[2] Built by the Phoenix Foundry, Ballarat in 1886/87, these were large engines of the English tradition featuring a low footplate and a continuous coupling rod splasher similar to the 'Old' A class.
The tenders also were similar to the 'Old' A's in design and capacity; a six wheel type with narrow tanks to make space above the footplate for the springs.
They were painted in bright green and white outlines, with polished brass dome cover and copper chimney cap.
[2] Although they were classed as a main line goods engine, they were regularly assigned to extra and excursion passenger traffic, even working express rosters at times, including the Adelaide Express as far as Stawell and some Gippsland trains to Warragul.
In 1916 the working pressure was reduced to 145 psi, dropping the tractive effort to 17203 pounds.