Athearn 28673 HO Scale ALCo RS-3 New Haven NH 539 Catalog ARRMA® has also installed a

ARRMA® has also installed a wheelie bar as standard

but before that

BNSF 700-799 looked much the same as ATSF 600-699

and basic geometry

Athearn 28673 HO Scale ALCo RS-3 New Haven NH 539 Catalog ARRMA® has also installed aAthearn 28673 HO Scale ALCo RS 3 New Haven NH 539 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