As Purchased Condition Of The Car

Steam Engine

The invention of moving the engine to a direct mounting on the rear axle is credited by most as the definitive advantage a Stanley car had over the competition.  Without the need for chains, gears, and slack adjustment mechanisms the Stanley innovation of a steam engine directly mounted to the rear axle provided a great performance and maintenance advantage.  It also allowed for easy access to tighten and replace piston rod and valve rod packing.

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