Top: LEGO's official BNSF locomotive set no. 10133, based on the GP38 Bottom: 1:48 scale BNSF SD70ACe designed by Brick Tale Studios The GP38 was a simple, reliable 2,000-horsepower workhorse built for everyday freight service. Over time, railroads demanded more power, efficiency, and traction, leading to larger six-axle locomotives with advanced electronics. The SD70ACe reflects that evolution—high horsepower, AC traction, and computer controls designed to haul heavier trains more...