This is a 1.5:1 scale replica of Southern Pacific Lines' GS-4 steam locomotive.

The GS-4 is a streamlined 4-8-4 Northern type steam locomotive that was operated by Southern Pacific Lines between 1941 and 1958.

Gauge: Standard gauge (1,435 mm)

Fuel type: Fuel oil

Fuel capacity: 6,275 US gallons

Water capacity: 23,300 US gallons

Maximum speed: 133 mph

More information can be found at en.m.wikipedia.org/wiki/Southern_Pacific_class_GS-4