BLI 7808 HO Scale Pennsylvania Q2 Duplex 4-4-6-4 Steam Loco 6190 Paragon4 Hybrid Northern Alberta ScaleTrains 39635 HO Scale GE

ScaleTrains 39635 HO Scale GE AC4400CW Diesel C&NW 8822 DCC & LokSound

and easy to fly

the ESC is able to remap throttle curve in 3 stages precisely

Splined front axle with adjustable caster

Highly detailed brass construction PFM United HO Scale Sierra RR

BLI 7808 HO Scale Pennsylvania Q2 Duplex 4-4-6-4 Steam Loco 6190 Paragon4 Hybrid Northern Alberta ScaleTrains 39635 HO Scale GEBLI 7808 HO Scale Pennsylvania Q2 Duplex 4 4 6 4 Steam Loco (Brunswick Green 5 Stripe) 6190 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