Union Pacific #7002 was one of forty MT-1 Class 4-8-2 "Mountain" type locomotives built by Alco-Brooks in 1922 for the Union Pacific Railroad (UP).

In the late 1930's, she received a unique streamlined "bathtub"-style casing as one of only two locomotives chosen to head the illustrious '49er' express passenger service between Chicago and San Francisco, along with UP class P-11 4-6-2 "Pacific" no. 2906.

CS Class: MT-1

Cabside Class: MT-73

Drive Wheel Diameter: 73 inches

Cylinders: 29x28 inches

Maximum Tractive Effort: 54,838 pounds

Weight on Drivers: (varied depending on auxiliary equipment such as stoker and feedwater heater)

Weight in Working Order (Engine Only): (varied depending on auxiliary equipment such as stoker and feedwater heater)

Weight in Working Order (Engine and Tender): (varied due to different tender styles)