Union Pacific Steam Locomotive 844

Introduction

• UP 844 is the only steam locomotive that was never retired.
• Delivered to Union Pacific in 1944 by ALCO.
• Part of a class of 10 locomotives.

Design and Purpose

• Designed to pull passenger trains at speeds of 90 miles per hour.
• Exclusively used for passenger service initially.

Reassignment and Preservation

• From 1957 to 1959, UP 844 was reassigned to fast freight service.
• Saved from being scrapped in 1960.
• Chosen for rebuilding and now used for excursion trains.

Significance

• Last steam locomotive delivered to the Union Pacific Railroad.
• Its continued use and preservation highlight its historical importance.