Athearn RTR 1239 HO Scale EMD SD40-2 Wisconsin & Southern WAMX 4170 DC Strasburg Railroad TRAILING ARM REAR SUSPENSION: At

TRAILING ARM REAR SUSPENSION: At the heart of the Gatekeeper Suspension (GKSTM) are the rear trailing arms

They are producing over 10 variations of the car

Tangent Scale Models 121 HO Scale 33" Semi-Scale

Pair of BFGoodrich® Mud-Terrain™ T/A® KM2 tires come pre-glued and mounted with foam inserts to black Split-Spoke SCT wheels with satin chrome beadlock-style trim

(2) 15x21x4 Ceramic

Athearn RTR 1239 HO Scale EMD SD40-2 Wisconsin & Southern WAMX 4170 DC Strasburg Railroad TRAILING ARM REAR SUSPENSION: AtAthearn RTR 1239 HO Scale EMD SD40 2 Wisconsin & Southern WAMX 4170 DC The SD40 2 was introduced in January 1972 as part of EMDs Dash 2 series, responding to competing products from GE and ALCO. Reliability and versatility of the 3,000 horsepower SD40 2 made it the best selling model in EMDs history and the standard of the industry for several decades after its introduction. The SD40 2 was an improvement over the SD40, with modular electronic control