Athearn Genesis G2 G70682 HO EMD SD70M-2 Canadian National CN 8934 DCC Sound Toy Train Set there have been three production

there have been three production "versions" of the SD90MAC

6061-T6 blue-anodized aluminum

Center stabilizing fin for performance and strength

heavy-duty

Tested on extreme off-road terrain

Athearn Genesis G2 G70682 HO EMD SD70M-2 Canadian National CN 8934 DCC Sound Toy Train Set there have been three productionAthearn Genesis G2 G70682 HO EMD SD70M 2 Canadian National CN 8934 DCC Sound In order to meet stricter diesel locomotive emissions standards imposed by EPA Tier II regulations, EMD modified the SD70MAC to create the SD70ACe and SD70M 2. Each model is powered by a 16 cylinder, 4300 horsepower diesel engine. On the SD70M 2, the prime mover drives an alternator and produces AC current that is rectified to DC current, which powers the traction motors. On