Locomotive 5511 – Santa Fe

Union Pacific No. 5511 is a TTT-63 Class 2-10-2 Santa Fe type tender steam locomotive built by the Baldwin Locomotive Works in 1923 for the Los Angeles and Salt Lake Railroad. 5511 is the only surviving member of its class and the only surviving Union Pacific 2-10-2 steam locomotive.
The locomotive was retired in July of 1962 and stored at Cheyenne, Wyoming. 5511 is in excellent cosmetic condition.

Union Pacific officials announced that the company would donate the locomotive to RRHMA, which plans to restore it to operating condition. Read the complete article on the Union Pacific donation of #5511 here.

#5511 Specifications


Builder – Baldwin Locomotive Works
Serial number – 56999
Build date – Sept 1923

Driver dia. 69 in 
Wheelbase 121 ft 10+7⁄8 in (Engine + tender)
Axle load 67,333 lb
Adhesive weight 404,000 lb
Loco weight 627,900 lb
Tender weight 446,000 lb
Total weight 1,073,900 lb
Fuel type No. 5 fuel oil, originally coal
Fuel capacity 6,450 US gal
Water cap. 25,000 US gal

Firebox:
• Firegrate area 132 sq ft
Boiler 94 in 
Boiler pressure 280 lbf/in2 
Heating surface 4,795 sq ft 
• Tubes 527 sq ft
• Flues 3,687 sq ft
• Firebox 140 sq ft 
Superheater:​
• Heating area 2,162 sq ft
Cylinders – Four – Each 21 in × 32 in