BNSF 8357 and 6368 are the lead units on a short train stopped at Seligman. 6368 is an ES44AC, built by GE in 2009. The 8357 is an ES44C4, externally similar to the ES44AC, but with 4 traction motors instead of 6. The center aaxle on each truck of an ES44C4 is an idler axle. |