South Pacific Coast #3.

Based on a Baldwin prototype, this Argyle locomotive incorporates inside-frame Stephenson valve gear, alcohol or butane firing, feed water clack valve, hand pump in tender, whistle, safety valve, water glass, pressure gauge, blow down valve, regulator, and displacement type lubricator. Minimum radius is 1.6 meters. Available for 45mm gauge. R/C and straigh stack are optional.

Photo courtesy Sulphur Springs Locomotive Works.