The easiest way to recreate this HO scale model today would be to find an Athearn RTR “SP Kodachrome SD45”. Athearn has produced this exact unit number in the past., SP 7556. Then just patch, weather, and grunge the heck out of it to match your photo references. ~ RF
Guest
10-Sep-2025 01:47
As BNSF And MRL Modeler, I Find This Extremely Impressive! Do You Have Any Tips On How To Make MRL 7556?
