Williams O Gauge Union Pacific, SD45 Powered:

GM retook the horsepower lead in 1965 with the introduction of the SD45 locomotive. They equipped it with a new 20 cylinder engine designed after a Japanese marine engine, the largest power plant ever used in a locomotive. The SD45 was able to generate 3600 H.P., a 20% improvement over the SD40 model.

• navigates 0-31 curves
• length 17",  height 4"
• 6 wheel power trucks with traction tires
• powered by dual motors
• flywheel coasting action
• all metal gears
• electronic 6-amp reverse board
• True Blast II® digital horn and bell
• durable ABS plastic shell
• die-cast trucks, truck sides, pilots, and fuel tank
• dual headlights
• prototypical wire form handrails
• die-cast operating couplers

MSRP is $299.95.(Picture courtesy of Bachmann Trains.)