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union pacific 4-8-8-4 big boy 3d printed

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Clear Ultra Fine Detail Plastic
union pacific 4-8-8-4 big boy 3d printed
union pacific 4-8-8-4 big boy 3d printed

Not a Photo

union pacific 4-8-8-4 big boy

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Product Description
Union Pacific 4-8-8-4 big boy with coal car.  The locomotive is designed for a 44mm motorized chassis.  The front boggie of the motorized chassis is hidden from view by the first set of 8 wheels.  some of the boggie's embossed detail may need to be sanded off for additional movement.  The front of the locomotive is designed to articulate.  A separate boggie will need to be installed at the front of the locomotive.

The coal car can be motorized with a 35.5 mm motorized chassis.
What's in the box:
union pacific big boy
0.81 x 10.04 x 1.25 cm
Switch to inches
0.32 x 3.95 x 0.49 inches
Switch to cm
Success Rate:
First To try.
What's this?
Mature audiences only.


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