many first generation diesels were reaching the end of their service lives
the low cost of the used freight cars made them an attractive for other uses
and the SW1000 exceeded them
The locomotive also introduced a new “anti-wheel-slip” technology where the locomotive horsepower output was reduced if a wheel slip condition was introduced
Length: Roughly 600mm / 23
ATH-73731 Athearn HO SD40-2, BNSF #7333 (DCC/Sound) Flatcar many first generation diesels wereHO SD40 2 w DCC & Sound, BNSF Rebuilt #7333 PROTOTYPE SPECIFIC INFORMATION In 1966, EMD updated its locomotive catalog with entirely new models, all powered by the new 645 diesel engine. The SD40 had 3,000 hp from a turbocharged V16. 856 examples of this locomotive model were built for American railroads, 330 were built for Canadian railroads, and 72 were built for Mexican railroads. ROAD NUMBER SPECIFIC FEATURES: #146 Western Cullen beacon, small