This is a Walthers 933-3176 HO Scale Brown W/Light Gray Parkview Terrace Cornerstone Background Building Kit

Horns per prototype

NS designed snow plow and Different cab panel louver arrangement per prototype

Model Number: 20-96183

Early U30B-style body with dynamic brakes

MTH 20-20636-1 Norfolk Southern AC4400cw Diesel Engine w/Proto-Sound 3.0 #4001 ProductID_11381777 This is a Walthers 933-3176This is an MTH 20 20636 1 O Norfolk Southern AC4400cw Diesel Engine w Proto Sound 3. 0 #4001. From the dawn of dieselization through its first six decades, virtually every American diesel locomotive used DC traction motors. By the early 1990s, however, a series of technological advances allowed designers to tap the inherent superiority of AC traction namely, the ability of an AC motor to start a heavier load than a DC motor, with the same prime mover.