Athearn's release of the Genesis Santa Fe late-era GP38-2 is perfectly detailed -- I added no details other than changing couplers to Kadeem #158s (which I weathered)! I did have to repaint the grab iron on the right side of the nose from blue to yellow to match the prototype. Otherwise, it comes down to the weathering. 2375 received fresh paint at some point towards the end of the Santa Fe years but for some reason had a rusty sunshade and a leaky battery compartment. I actually have my own photo of the unit in Chicago and was able to replicate the rust effects. Other primary weathering was exhaust around the stacks, a sand colored weathering powder on the walkways and then underframe dust and mud.