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Union Pacific RR No. 3985 Cheyenne, WY, United States

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Wheels: 4-6-6-4
Builder: Alco (Schenectady)
Build Date: 07/1943
Construction No.: 70174
Empty Weight: 633,500
Weight on Drivers: 407,000
Driver Diameter: 69
Tractive Effort: 97,350
Boiler Pressure: 280
Cylinders: 21x32
Fuel: Oil
Gauge: Standard
Location: UP Engine House Status: Stored
Record Created: Before June 10, 2017 Record Updated: May 17, 2019 Action: Details Editted
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