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Articulated Consolidation AC1
Builder: Baldwin Fuel:3817 Gal
Cyclinders: 22 x 30"Water:12,000 Gal
Weight:481,200 lbsDia. Drivers:57"
Steam Pressure:210 lbsTractive Effort:90,940 lbs
Articulated Consolidation AC4
Builder: Baldwin Fuel:4889 Gal
Cyclinders: 24 x 32"Water:16152 Gal
Weight:614,000 lbsDia. Drivers:63"
Steam Pressure:235 lbsTractive Effort:116,900 lbs

In 1901, North Pacific Coast Railroad built #21, one of the first cab-ahead engines. For SP, the principal reason for this cab location was the 38-mile series of snow sheds between Truckee and Blue Canyon that were built to keep the line open in the winter, when drifts of 50-200' piled up in the Sierras. In 1909, Baldwin delivered two 2-8-8-2 Mallets(4000 & 4001), to replace the Consolidations. They pulled well, but the crews were overcome by the gasses, and they could not see ahead, due their length.

To solve these problems, Baldwin delivered 15 MC-2 class locomotives in 1909, where the tender was attached at the smoke box end, and the fuel oil was piped the length of the engine at 5lbs pressure from the tender to the firebox. By 1913, there were 46 of these locomotives, most of which were later converted from compound to simple. In 1911, 12 Mallet Mogul (MM-2) cab-forward 2-6-6-2's were built for passenger work. Four wheel pilot trucks were added due to excessive flange wear that caused derailments. By the 1930's , SP had a total for 257 cab-forward locomotives.

Photo Contributions and Corrections Welcome
Click on a Engine Number to view it. Click on name (also in the footnotes) to contact the OWNER of the photo
Road Nbr Photographer Date Taken Location Comments
3900-11Articulated Mogul AM-219114-6-6-2rebuilt from MM-2
3905Fred C. Stoes(3)1936Altamont Pass 
3907Fred C. Stoes(3)1930'sAltamont Pass 
3910Otto Perry(2)1939 Eugene, OR 
3911Fred C. Stoes(3)   
4200-4211Mallet-Mogul MM-219112-6-6-2 
4200BJ Harding(1)1938Yoncalla OR 
4207Byron Bostwick    
4208Fred C. Stoes(3)1937Niles Canyon CA 
4000-1MC-1(not CF)19092-8-8-2Rebuilt to AC-1 in 1928
4000K. Moore(3)1909  
4001Daniel McKellips(3)1909  
4000-1AC-119282-8-8-2Rebuilt from MC-1
4000Otto Perry(2)1931 Sacramento, CA 
4000Bud Laws(1)1911 W. Oakland, CA 
4001Otto Perry(2)1938Weed, CA 
4002-16Mallet Consolidation MC-219092-8-8-2Rebuilt to AC-1
4003Otto Perry(2)1938Wells, NV 
4006Otto Perry(2)1938Klamath Falls, OR 
4008 1947Sparks NV 
4009Otto Perry(2)1939Glendale, CA 
4014     
4015Otto Perry(2)1935Truckee, CA 
4016Otto Perry(2)1940Los Angeles, CA 
4017-28Mallet Consolidation MC-419112-8-8-2Rebuilt to AC-2
4019Otto Perry(2)1926Ashland, OR 
4021Otto Perry(2)1935Sparks, NV 
4024Rick Hamman   
4029-48Mallet Consolidation MC-61912-132-8-8-2Rebuilt to AC-3
4031HJ Harding(1)1934Sparks, NV 
4035Bud Laws(1)1923 Sacramento, CA 
4040Otto Perry(2)1931Tracy, CA 
4041Fred C. Stoes(3)1937Roseville, CA 
4045 1936 Mc Creadie Springs OR 
4100-09AC-419284-8-8-2 
4100Bill Gardenour   
4100   
4101Otto Perry(2)1940Los Angeles, CA 
4102    
4102Otto Perry(2)1935Truckee, CA 
4103Otto Perry(2)1939Glendale, CA 
4104Howard Davis(1)1949Sparks NV 
4105Otto Perry(2)1935Reno, NV 
4106Otto Perry(2)1931Reno, NV 
4107Otto Perry(2)1931Roseville, CA 
4108Otto Perry(2)1935Roseville, CA 
4109Otto Perry(2)1935Truckee, CA 
4110-25AC-519294-8-8-2 
4110 1952Sacramento CA 
4110Otto Perry(2)1935Los Angeles, CA 
4110Otto Perry(2)1935Los Angeles, CA 
4111Otto Perry(2)1935Norden, CA 
4112Otto Perry(2)1940Los Angeles, CA 
4112Fred C. Stoes(3)   
4113Bud Laws(1)1933  
4114Bud Laws(1)1930Taylor Yd, LA CA 
4114Otto Perry(2)1934Los Angeles, CA 
4115HJ Harding(1)1934Los Angeles, CA 
4115Ron Healy   
4117Otto Perry(2)1937Los Angeles, CA 
4117Otto Perry(2)1937Los Angeles, CA 
4119Otto Perry(2)1934Los Angeles, CA 
4119Otto Perry(2)1934Los Angeles, CA 
4120Gary Overfield   
4121Otto Perry(2)1937Los Angeles, CA 
4122Otto Perry(2)1934Bakersfield, CA 
4123Ron Healy   
4123Otto Perry(2)1937Los Angeles, CA 
4125Otto Perry(2)1934Los Angeles, CA 
4126-50AC-619304-8-8-2 
4127Otto Perry(2)1938Gerber, CA 
4132Otto Perry(2)1931Roseville, CA 
4133    
4134Otto Perry(2)1935Roseville, CA 
4135Otto Perry(2)1935Norden, CA 
4136© Gary Stuebben1954Tracy, CA 
4138Otto Perry(2)1935Colfax, CA 
4139Otto Perry(2)1931Roseville, CA 
4141Otto Perry(2)1931Roseville, CA 
4142Fred C. Stoes(3)1937Roseville, CA 
4142Otto Perry(2)1938Roseville, CA 
4144Otto Perry(2)1938Dunsmuir, CA 
4146©Alex Campbell1954Gerber CA 
4146Otto Perry(2)1935Cisco, CA 
4147Otto Perry(2)1935Sparks, NV 
4148Gene Deimling1938Dusmuir, CA 
4148Otto Perry(2)1938Roseville, CA 
4150Byron Bostwick    
4151-76AC-719374-8-8-2 
4151Fred C. Stoes(3)1937Truckee, CA 
4152Otto Perry(2)1938Reno, NV 
4153Wesley Krambeck(1)1937E. St. Louis IL 
4154©Alex Campbell Reno, NV  
4157Fred C. Stoes(3)1937Truckee, CA 
4159    
4159    
4165Bud Laws(1)1937Kansas City MO 
4166Bud Laws(1)1937Kansas City MO 
4166Otto Perry(2)1938Roseville, CA 
4167Byron Bostwick    
4170Ron Healy1937Collfax 
4174Bud Laws(1)1937Kansas City MO 
4175Otto Perry(2)1938Roseville, CA 
4177-4204AC-819394-8-8-2 
4178Bob Baily   
4181Edward O'Donnell1939Reno NV 
4184Richard B. Hain   
4189    
4187Otto Perry(2)1940Los Angeles, CA 
4189Fred C. Stoes(3) Watsonville Jct 
4190Otto Perry(2)1940Los Angeles, CA 
4193C. W. (Bill) Jernstrom(3)1952San Luis Obispo CA  
4196Otto Perry(2)1940Glendale, CA 
4195© Gary Stuebben1939 Los Angeles, CA  
4197Martin Hansen1947Truckee CA  
4198Byron Bostwick    
4202Otto Perry(2)1940Glendale, CA 
4203    
4205-4244AC-1019424-8-8-2 
4206Walter R. Evans  Roseville, CA 
4210Otto Perry(2)1931Sacramento, CA 
4211John Hungerford-JT1956Tehachapi Mts CA 
4216Joe Dixon  Roseville, CA roundhouse 
4218 1957 Sacramento, CA 
4219Howard Davis(1)1950Portola CA 
4220Otto Perry(2) 1957Roseville CA 
4221Howard Davis(1)1946Roseville CA 
4227 1946Truckee, CA  
4228Otto Perry(2) 1957Roseville CA 
4235Fred C. Stoes(3) Tehachapi Loop 
4236John Hungerford-JT1956Martinez CA 
4240Otto Perry(2) 1957Roseville CA 
4242Otto Perry(2) 1957San Francisco, CA 
4242C. W. (Bill) Jernstrom(3)1952 Watsonville Jct 
4245-4274AC-111942-34-8-8-2 
4248Howard Davis(1)1948Roseville CA 
4250Stan Kistler1993Wenamar  
4257Fred C. Stoes(3) Tehachapi Loop 
4259Howard Davis(1)1940Sparks NV 
4263    
4268Bob Rathke Reno, NV  
4269Howard Davis(1)1948Roseville CA 
4272    
4274Otto Perry(2)1957Reno, NV 
4275-4294AC-121943-44-8-8-2 
4275Gene Deimling1947Los Angles CA 
4276Otto Perry(2)1957Roseville, CA 
4278Otto Perry(2) 1957San Francisco, CA 
4285Byron Bostwick  Dunsmuir CA 
4286Walt Paschelke c/o Joel Ashcroft1951McCredie Springs, OR 
4294D. Dean California Railroad Museum 
4294C. W. (Bill) Jernstrom(3)1956Tracy, CA 
4294MacOwen-JT1969Sacramento CA 
1. From the Collection of Bud Laws. The original owner is listed, if known.
2. From the Collection of Denver Public Library
3. From the Collection of Rick Hamman . All digital prints are available in an 8 1/2" X 11" size from YESTERYEAR DEPOT
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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.