UP4019 Big Boy

  North East Rails  
Union Pacific 4-6-6-4 Challenger
Steam Photo Roster

CN6200 Steam

Home  Site Map  Search  Contact        Diesel  Steam  Electric   Industrial  Motorcars      Revenue   MOW   Wrecks

Union Pacific "Big Boy" | UP 9000 4-12-2 | UP Challenger 4-6-6-4

Also see: Dual-Drive Steam Engines | Locomotive Specifications

Unofficial Union Pacific 4-6-6-4 Challenger Steam Photo Roster
Builder: Alco Fuel: 25 tons
Cyclinders:(4) 21 x 32"Water: 
Weight:1,071,000 lbsDia. Drivers:69"
Steam Pressure:280 PSI lbsTractive Effort:97,400 lbs
Photo Contributions and Corrections Welcome
Click on a Engine Number to view it. Click on name to contact the OWNER of the photo
Road Nbr Photographer Date Taken Location Builder
3900OP-17010 Otto Perry(2)1936Green River WYSchenectady 1936
3901Raymond Thompson  Schenectady 1936
3901OP-17012 Otto Perry(2)1937Green River WYSchenectady 1936
3902OP-18355 Otto Perry(2)1937Green River WYSchenectady 1936
3903OP-18356 Otto Perry(2)1937Green River WYSchenectady 1936
3904OP-17016 Otto Perry(2)1937Ogden UTSchenectady 1936
3905OP-17017 Otto Perry(2)1938Laramie WYSchenectady 1936
3906  NBSchenectady 1936
3906OP-17018 Otto Perry(2)1939Laramie WYSchenectady 1936
3907OP-17019 Otto Perry(2)1936Green River WYSchenectady 1936
3908   Schenectady 1936
3909OP-17020 Otto Perry(2)1937Green River WYSchenectady 1936
3910OP-17021 Otto Perry(2)1937Green River WYSchenectady 1936
3911OP-17022 Otto Perry(2)1937Ogden UTSchenectady 1936
3912OP-17023 Otto Perry(2)1937Green River WYSchenectady 1936
3913OP-17026 Otto Perry(2)1937Green River WYSchenectady 1936
3914OP-17028 Otto Perry(2)1937Rawlins WYSchenectady 1936
3915OP-17029 Otto Perry(2)1942Laramie WYSchenectady 1937
3815[3915]Rick Hamman  Schenectady 1937
3916   Schenectady 1937
3917OP-17030 Otto Perry(2)1938Laramie WYSchenectady 1937
3918OP-17032 Otto Perry(2)1937Laramie WYSchenectady 1937
3919   Schenectady 1937
3920OP-17034 Otto Perry(2)1937Ogden UTSchenectady 1937
3921OP-17035 Otto Perry(2)1937Echo UTSchenectady 1937
3922OP-17036 Otto Perry(2)1937Cheyenne WYSchenectady 1937
3923OP-17037 Otto Perry(2)1939Laramie WYSchenectady 1937
3924   Schenectady 1937
3925OP-17040 Otto Perry(2)1937Green River WYSchenectady 1937
3926   Schenectady 1937
3927OP-17041 Otto Perry(2)1937Green River WYSchenectady 1937
3928OP-17042 Otto Perry(2)1941Green River WYSchenectady 1937
3929   Schenectady 1937
3930OP-18381 Otto Perry(2)1939Laramie WYSchenectady 1937
3931OP-18382 Otto Perry(2)1937Hanna WYSchenectady 1937
3932Bud Laws(3)  Schenectady 1937
3932OP-17043 Otto Perry(2)1939Laramie WYSchenectady 1937
3933   Schenectady 1937
3934OP-17036 Otto Perry(2)1937Cheyenne WYSchenectady 1937
3935OP-18385 Otto Perry(2)1940Pasadena Jct. CASchenectady 1937
3936OP-18387 Otto Perry(2)1938Baker ORSchenectady 1937
3936Bud Laws(3)  Schenectady 1937
3937OP-17044 Otto Perry(2)1938La Grande ORSchenectady 1937
3938Howard Ameling(3)1964North Platte NBSchenectady 1937
3938Jim Sands  Schenectady 1937
3939OP-18393 Otto Perry(2)1946Corlett WYSchenectady 1937
3939 1938Los Angles CASchenectady 1937
3940   Schenectady 1944
3941Ron Healy  Schenectady 1944
3941OP-17047 Otto Perry(2)1959Cheyenne WYSchenectady 1944
3942OP-18396 Otto Perry(2)1948Cheyenne WYSchenectady 1944
3943OP-18397 Otto Perry(2)1946Denver COSchenectady 1944
3944OP-18398 Otto Perry(2)1952Hermosa WYSchenectady 1944
3946OP-17048 Otto Perry(2)1949Archer WYSchenectady 1944
3947   Schenectady 1944
3948OP-18401 Otto Perry(2)1952Granite Canon WYSchenectady 1944
3948 1956 Cheyenne, WYSchenectady 1944
3949OP-17049 Otto Perry(2)1946Denver COSchenectady 1944
3950Richard Kurtz  Schenectady 1944
3950   Schenectady 1944
3951OP-17050 Otto Perry(2)1946Denver COSchenectady 1942
3952OP-18406 Otto Perry(2)1953Rock River WYSchenectady 1942
3953Dick Kindig - JT1951;ShermanHill CASchenectady 1944
3954OP-17051 Otto Perry(2)1942Laramie WYSchenectady 1942
3955OP-17052 Otto Perry(2)1954Cheyenne WYSchenectady 1942
3955 1957North Platte NBSchenectady 1942
3956OP-18409 Otto Perry(2)1952Dale Creek WYSchenectady 1942
3956Bud Laws1957Cheyenne WYSchenectady 1942
3957OP-17053 Otto Perry(2)1942Laramie WYSchenectady 1942
3958OP-18411 Otto Perry(2)1949Rock River WYSchenectady 1942
3959OP-17055 Otto Perry(2)1958North Platte NBSchenectady 1942
3959 1967North Platte NBSchenectady 1942
3959 1953Cheyenne, WYSchenectady 1942
3960OP-17056 Otto Perry(2)1942Laramie WYSchenectady 1942
3961Joseph Testagrose19491atLaramie WYSchenectady 1942
3962OP-18419 Otto Perry(2)1942Bosler WYSchenectady 1942
3963OP-17057 Otto Perry(2)1958Cheyenne WYSchenectady 1942
3964OP-18423 Otto Perry(2)1952Henderson COSchenectady 1942
3965OP-17058 Otto Perry(2)1958Laramie WYSchenectady 1942
3966OP-17059 Otto Perry(2)1959Cheyenne WYSchenectady 1942
3966 1960Laramie WYSchenectady 1942
3967Bill1953La Salle COSchenectady 1941
3967OP-18428 Otto Perry(2)1955Laramie WYSchenectady 1942
3968Bill Navari
 Laramie WYSchenectady 1942
3968OP-17062 Otto Perry(2)1959Cheyenne WYSchenectady 1942
3969HK Vollrath(3)1948Cheyenne WYSchenectady 1937
3975G.Best1946 Los Angeles CASchenectady 1937
3976OP-18430 Otto Perry(2)1946Denver COSchenectady 1943
3977Glen Beans  Schenectady 1937
3978   Schenectady 1937
3979  Los Angels CASchenectady 1937
3980HK Vollrath(3)1950Denver COSchenectady 1937
3981OP-18432 Otto Perry(2)1946Brighton COSchenectady 1943
3981 F. B. Thompson Union Stat Tacoma WASchenectady 1943
3982OP-18434 Otto Perry(2)1946Borie WYSchenectady 1943
3983   Schenectady 1937
3984   Schenectady 1937
3985Brett Wirick2000Las Vegas NVSchenectady 1943
3985Glen Beans1990Ohmaha NBSchenectady 1943
3985Skip Weythman2004North Platte, NBSchenectady 1943
3985OP-18437 Otto Perry(2)1949Hermosa WYSchenectady 1943
3986OP-18439 Otto Perry(2)1955Hermosa WYSchenectady 1943
3987OP-18440 Otto Perry(2)1955Laramie WYSchenectady 1943
3987HK Vollrath(3)1948Cheyenne WYSchenectady 1937
3988   Schenectady 1937
3989HK Vollrath(3)1949Laramie WYSchenectady 1937
3990Bud Laws(3)  Schenectady 1937
3990OP-17063 Otto Perry(2)1954Cheyenne WYSchenectady 1943
3992 1983Pima (sic) Creek Jct COSchenectady 1943
3992OP-17064 Otto Perry(2)1949Rawlins WYSchenectady 1943
3993OP-18441 Otto Perry(2)1953Hermosa WYSchenectady 1943
3994   Schenectady 1943
3994OP-18442 Otto Perry(2)1951Sherman WYSchenectady 1943
3996OP-17065 Otto Perry(2)1953Laramie WYSchenectady 1943
3996HK Vollrath(3)1949Laramie WYSchenectady 1937
3997OP-18445 Otto Perry(2)1949La Salle CO, (helper for 9043 )Schenectady 1943
3997   Schenectady 1943
3998 Gary Stuebben  Schenectady 1943
3999OP-17067 Otto Perry(2)1959Cheyenne WYSchenectady 1943
1. From the Collection of Stephen Foster. The original owner is listed, if known.
2. From the Collection of Denver Public Library   Note: There are more photos of the UP 4-6-6-4's here. Enter "Union Pacific AND 3900", and increment the number for a new search.
3. From the Collection of Bud Laws. The original owner is listed, if known.
Home         Site Map        Search         Contact

North East Rails  Clint Chamberlin.
Photos for personal use only. All rights reserved by original owner of image.
Reproduction or redistribution in any form without express written permission is prohibited.