BLI 8052 HO Scale Pennsylvania Q2 Duplex 4-4-6-4 Steam Loco PRR 6131 Stealth Hybrid Pickup Truck 3 months after the last

3 months after the last U23B was delivered to Conrail)

Rapido Trains 540045 N Scale GE Dash 8-40CM British Columbia BC Rail 4603

Athearn Genesis GN15319 N Scale 13

57 inches (345mm)

The tachometer was invented by the German engineer Dietrich Uhlhorn in 1817

BLI 8052 HO Scale Pennsylvania Q2 Duplex 4-4-6-4 Steam Loco PRR 6131 Stealth Hybrid Pickup Truck 3 months after the lastBLI 8052 HO Scale Pennsylvania Q2 Duplex 4 4 6 4 Steam Loco PRR 6131 Stealth 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 four cylinder