BLI 7800 HO Scale Pennsylvania Q2 Duplex (Prototype) 4-4-6-4 Steam Loco PRR 6131 Paragon4 Hybrid Hammer Weight (g): 175

Weight (g): 175

7 - Two-Story Blank Wall

Electrocoupler on rear of tender

Roundhouse 3331 HO Scale EMD F7A Maine Central MEC 681 DC

BLI 7800 HO Scale Pennsylvania Q2 Duplex (Prototype) 4-4-6-4 Steam Loco PRR 6131 Paragon4 Hybrid Hammer Weight (g): 175BLI 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