Combined, these changes reduced the starting tractive effort from 44,250 to 43,300 lbf (196.8 to 192.6 kN), but increased the top speed and efficiency.

They were smaller and less powerful locomotives than the later 3460 class "Hudson" type, but were capable of equivalently high speeds.

3450, was donated by the Santa Fe in 1955 to the Railway & Locomotive Historical Society's Southern California chapter, and is preserved at the Society's museum in the Los Angeles County Fair grounds at Pomona, California.

The locomotive sits inside the RailGiants Train Museum.

It is not operational, but preserved in good condition as a static exhibit.