Driver Bell Crank
Detail 6A Driver Rod
Detail with Sunlight
Driver (wheel) and Rail Sander (at right of wheel)
UP4014 Big Boy
Detail 1 - Side Rods and Valves
UP4014 At Houston Terminal
Front Piston 2
Detail 9
Detail 3 - Side rods, valves and drivers
Detail 7
Driver Bell Crank
Detail 6A Driver Rod
Detail with Sunlight
Driver (wheel) and Rail Sander (at right of wheel)
UP4014 Big Boy
Detail 1 - Side Rods and Valves
UP4014 At Houston TerminalUP4014 was parked at the Houston Amtrak Station for one day.
Front Piston 2
Detail 9
Detail 3 - Side rods, valves and drivers
Detail 7
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