Athearn 28678 HO Scale ALCo RS-3 Rio Grande D&RGW 5203 Roadname_Erie resulting in 645 cubic inches

resulting in 645 cubic inches of displacement per cylinder … thus

Pirelli World Challenge GTS/GT4

and it's High Quality Materials means it's Built to Last

Extended rear body posts are required - NOT INCLUDED

Drop steps unless noted

Athearn 28678 HO Scale ALCo RS-3 Rio Grande D&RGW 5203 Roadname_Erie resulting in 645 cubic inchesAthearn 28678 HO Scale ALCo RS 3 Rio Grande D&RGW 5203 ALCO built the RS 3 to respond to competition with EMD, Fairbanks Morse, and Baldwin Locomotive Works. In the case of ALCO, the builder added more improvements to create new locomotive lines beyond the RS 2. ALCO produced 377 RS 2s versus the more successful RS 3s at 1,418. The new model produced slightly more horsepower than the earlier design at 1,600 hp using Alcos 12 cylinder, model 244 prime