Union Pacific's Big Boy No. 4014 will return to the rails this week for a nearly month-long tour of Wyoming, Nebraska, and Iowa as it travels to Omaha, where it will be on display for the NCAA Men's College World Series in mid-June.
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2023 ScheduleIn 2023, Big Boy No.4014 visited Omaha on the Home Run Express during June.
Twenty-five Big Boys were built exclusively for Union Pacific Railroad, the first of which was delivered in 1941. Of the eight remaining Big Boys in existence, No.4014 is the only one operating today. The Big Boys were about 133 feet long and weigh 1.2 million pounds.
The Big Boys were built for power. They did the work of three smaller engines, pulling 120-car, 3800 ton freight trains at forty miles per hour in the mountains of Utah and Wyoming. With power, though, comes weight - larger cylinders, pistons, drive rods, boiler and firebox.
Its girth requires a 4-8-8-4 wheel configuration to keep it rock-steady on the rails. With a puny 7,000 horsepower, Big Boys had a maximum tractive power of 135,375 pounds, all to pull huge loads of freight across steep grades in Utah's Wasatch Mountains and the Rockies.
4014 restoration cost, but Wrinn estimated at least $4 million based on similar restorations. The result will be one of just six to eight steam engines still operational on mainline U.S. railroad tracks. “Living Legend” Northern No. 844 has remained in service since 1944.
Union Pacific reached out to EMD for more power, and the result was the behemoth EMD DDA40X. Often cited as both the largest and most powerful diesel-electric locomotive ever built, the 98-foot, 5-inch, 475,830-pound machine is staggering.
Of the eighteen built, three survive and are on display in Minnesota: No. 225 at Proctor, No. 227 at the Lake Superior Railroad Museum in Duluth and No. 229 at Two Harbors.
While most Shinkansen currently operate at a maximum of 300 kph (186 mph), the E5 “Bullet Trains” of Japan Railways East (JR East) run at up to 320 kph (200 mph) on the Tohoku Shinkansen, which runs north from Tokyo to Shin-Aomori.