Monday, August 6, 2018

Building a 1970's era SP MOW boom truck

Working on those drop bottom dump trucks got me to thinking about adding some Maintenance Of Way trucks to the layout.  Then seeing this photo of an old SP boom truck on a truck collectors website inspired me to try to create something like this in N scale.
As a starting point I used one of the Athearn C cab tractors that I had.  The cab was removed and the frame was cut into 3 pieces.  All three pieces were then glued to a .125 square tube with CA.
The back side of the cab was carved out as shown in this photo so it would fit on over the square tube.
This is what the model looked like with all of the pieces finished but before painting.  Scraps of styrene, steel wire, and aluminum tubing were all used to construct the boom, bed, and shelter.
The cab, shelter, bed, and boom were each individually air brushed before  assembly on the chassis.  The smallest SP decals I had were from the Microscale bridge set but I hope to soon have some smaller ones.
Some weathering and a few items thrown into the bed.  The boom cable is some black thread, some small copper wire rolled up and painted rust simulates a coil of cable, and some small chain piled up and held with CA holds down the end of the boom cable.

This was my first MOW vehicle project but I do plan more.


  1. Replies
    1. Thanks Rod, with the different railroads and eras I have on this layout I will be having a number of different MOW trucks.