BLI 7800 HO Scale Pennsylvania Q2 Duplex (Prototype) 4-4-6-4 Steam Loco PRR 6131 Paragon4 Hybrid Hammer Between 1931 and 1940 ALCO

Between 1931 and 1940 ALCO built 177 high hood (HH) switching locomotives of various horsepower ratings and body styles

Electrocoupler on rear of tender

Roundhouse 3331 HO Scale EMD F7A Maine Central MEC 681 DC

Atlas 20006964 HO Scale 20

BLI 7800 HO Scale Pennsylvania Q2 Duplex (Prototype) 4-4-6-4 Steam Loco PRR 6131 Paragon4 Hybrid Hammer Between 1931 and 1940 ALCOBLI 7800 HO Scale Pennsylvania Q2 Duplex (Prototype) 4 4 6 4 Steam Loco PRR 6131 Paragon4 Hybrid In 1942, the PRR built an experimental duplex drive freight locomotive, the Q1, with a 4 6 4 4 wheel arrangement. in 1944, after identifying a number of flaws with the Q1, the PRR built a second prototype, changing the wheel arrangement to a 4 4 6 4 and creating class Q2. This was followed by 25 production Q2 steam locomotives in 1945. These rigid frame