0.069" was taken off the bolster part and the truck boss was shortened by the same amount. The coupler box was sawn off flush with the bottom of the car end and a Moloco coupler box was shortened to fit then mounted to a 0.020" thick sheet of styrene to bring the coupler to the correct height. Here a Sergent E coupler is shown in the Moloco box next to a Sergent height gauge.