Athearn Genesis G2 G70682 HO EMD SD70M-2 Canadian National CN 8934 DCC Sound Toy Train Set and the rail joiners have

and the rail joiners have the bolt detail of real track

there have been three production "versions" of the SD90MAC

heavy-duty

Use on HO and smaller scales of model trains

Athearn Genesis G2 G70682 HO EMD SD70M-2 Canadian National CN 8934 DCC Sound Toy Train Set and the rail joiners haveAthearn 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