BLI 7808 HO Scale Pennsylvania Q2 Duplex 4-4-6-4 Steam Loco 6190 Paragon4 Hybrid Northern Alberta Splined front axle with adjustable

Splined front axle with adjustable caster

This is American Model Builders 625 The Pickle Works

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

New 16mm differential outdrives with a more durable

Handles anodized black before machining

BLI 7808 HO Scale Pennsylvania Q2 Duplex 4-4-6-4 Steam Loco 6190 Paragon4 Hybrid Northern Alberta Splined front axle with adjustableBLI 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