The Real Reason Big Boy 4014 Was Abandoned For Decades

Union Pacific Big Boy No. 4014 wasn't preserved — it was parked. When the locomotive was donated to the city of Pomona, California in 1961, it arrived as a static display piece with no restoration plan, no maintenance budget, and no institutional commitment to keeping it operational. For decades it sat in a city park accumulating weathering damage, vandalism, and the specific deterioration that happens to a steam locomotive when nobody with steam expertise is maintaining it. The decision to return it to operational status in 2013 came from Union Pacific — not from Pomona — and the condition of the locomotive when the railroad's mechanical team assessed it reflected fifty-two years of what happens when the most powerful steam locomotive ever built gets treated like a lawn ornament.