...........................A.SC.T F-800 Class No. 8...................... - No. 6 is a shunter type, built for short distances and low speeds. This engine would end up being strikingly similar in looks to a D&RG Class 48 In proportion and looks. Though the Class 66 is standard gauge, and about 25 mph faster. This engine actually consumed coal a lot quicker than originally designed, so the only one built as a test, would be the only example of the class. The quick consumption of the coal would cause the engine to eject a lot of ashes and unburnt chunks of coal out the funnel. No bueno, so a big ol' spark arrestor was added. No. 6 would eventually be scrapped after a incident. Hold space to blow whistle