Quartering And Eccentrics - Pennsylvania A3 Switcher, Part 41

Quartering and Eccentrics - Pennsylvania A3 Switcher, Part 41

Crank Pins and Powder Coating - Pennsylvania A3 Switcher, Part 40

Hammer-Forming Boiler Parts - Pennsylvania A3 Switcher, Part 2

Rolling The Boiler Shell - Pennsylvania A3 Switcher, Part 4

Kozo A3 Live Steam Locomotive - First run

Main Bearings and Drivers - Pennsylvania A3 Switcher, Part 39

Finishing Boiler Bulkheads - Pennsylvania A3 Switcher, Part 3

Boiler Outer Crown Sheet - Pennsylvania A3 Switcher, Part 8

Let's Build a Locomotive! Pennsylvania A3 Switcher, Part 1

Front Driver Axle Box - Pennsylvania A3 Switcher, Part 38

Adding Boiler Features - Pennsylvania A3 Switcher, Part 5

Foundation Ring and Backhead! Pennsylvania A3 Switcher, Part 11

Pressure Testing The Firebox! Pennsylvania A3 Switcher, Part 10

Boiler Building Q&A! Pennsylvania A3 Switcher, Part 14

Footboards and Gags - Pennsylvania A3 Switcher, Part 37

Finishing The Boiler Shell - Pennsylvania A3 Switcher, Part 6