Product Description
• #3939 Class CSA-2, Worthington feedwater heater, standard sand dome, boiler-tube pilot with wide handrails, no walkway “hump”, no steam pipe to front cylinders, unpainted metal side rods and glossy paint finish (to represent freshly-serviced and cleaned loco), oil burner.
Athearn research photos dated 1937, most likely UP publicity photos, show this unit pulling the “Challenger” streamlined passenger train out of LAUPT, as well as a “photographer’s special” of twelve UP 40’ boxcars. Last CSA-2 challenger built. Era 1937+
Road Name : Union Pacific - UP
Road Number : 3939

