Photos, Videos NS 36Q with SD70ACU Leader by spgass • May 12, 2019 Here is a photo and video of Norfolk Southern train 36Q led by SD70ACU #7248. The Norfolk Southern SD70ACUs are rebuilt from former SD90MACs. NS #7248 is formerly a Union Pacific SD90MAC. Photo NS train 36Q is led by SD70ACU #7248 up Linden Hill on 5/7/2019. Video NS train 36Q is led by SD70ACU #7248 up Linden Hill on 5/7/2019.