Flagstaff Lumber Company #12 was built by Baldwin Locomotive Works in 1929 and worked in the ponderosa pines of the Coconino National Forest from 1956 to 1959. This locomotive is now parked in front of the Pioneer Museum in Flagstaff.

Locomotive History
Pioneer Museum Page
Jon Davis's Excellent Logging Mallet Page

Engineer's Side
Fireman's Side
Front View
Pilot and High Pressure Cylinders
Smokebox Detail View Engineer's Side
Power Reverse
Smokebox Detail View Fireman's Side
Front Boiler Support
Front Boiler Support
Front Boiler Support
Front Boiler Support
Articulating Joint
Articulating Joint
Steam Connection to High Pressure Steam Cylinder
Spherical Joint on Low Pressure Steam Pipe
Sliding Joint on Low Pressure Steam Pipe
Low Pressure Steam Branch Pipe
Sperical Joint on Low Pressure Cylinder Exhaust
Sliding Joint on Low Pressure Cylinder Exhaust
Spherical Joint on Smokebox Bottom
Exhaust Flexible Pipe Assembly
Boiler Saddle at High Pressure Cylinders
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