Big Boy Drawings-Revised Second Edition. Due to the age of the software program used to generate the drawings disk, it no longer works for all computers. The format for the drawings is being updated. We will make them available as soon as possible.

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The UPHS is proud to announce the release an updated and expanded DVD in the series of Union Pacific locomotive drawings. This revised DVD covers the UP 4-8-8-4 Big Boys. The drawi ngs include erecting drawings and details scanned directly from the original UP drawings. Be sure to add this to your collection of Union Pacific steam drawings. Due to the age of the software program used to generate the drawings disk, it no longer works for all computers. The format for the drawings is being updated. We will make them available as soon as possible. Show more