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Union Pacific Big Boy
(Late #4017)


Cast polyurethane (CR300) body with lead embedded
Cast polyurethane driver center
Cast polyurethane side rod and truck side frame
Styrene and cast polyurethane details
Nickel silver piston rod
Nickel silver handrails
Nickel silver scale diameter driver tire turned using the Taig Micro Lathe II
Duracon scale diameter wheel (pilot, trailing and tender) turned using the lathe
One piece brass engine frame milled using the lathe with milling attachment
Brass and nickel silver piping
Decaled rivet instead of actual mold
Home made decal
MicroTrains(TM) coupler
Marklin locomotive gear
Faulhaber Motor