Articulated Consolidation AC1
Builder:	Baldwin	Fuel:	3817 Gal
Cyclinders:	22 x 30"	Water:	12,000 Gal
Weight:	481,200 lbs	Dia. Drivers:	57"
Steam Pressure:	210 lbs	Tractive Effort:	90,940 lbs
Articulated Consolidation AC4
Builder:	Baldwin	Fuel:	4889 Gal
Cyclinders:	24 x 32"	Water:	16152 Gal
Weight:	614,000 lbs	Dia. Drivers:	63"
Steam Pressure:	235 lbs	Tractive 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
3900-11	Articulated Mogul AM-2	1911	4-6-6-2	rebuilt from MM-2
3905	Fred C. Stoes(3)	1936	Altamont Pass
3905	Fred C. Stoes(3)	1947	Portland OR
3906	Stan Kistler	1947	Portland OR
3907	Fred C. Stoes(3)	1930's	Altamont Pass
3908
3908
3909		1947	Portland OR
3910	OP-15650 Otto Perry(2)	1939	Eugene, OR
3910		1939	Eugene OR
3911	Fred C. Stoes(3)
4200-4211	Mallet-Mogul MM-2	1911	2-6-6-2
4200	BJ Harding(1)	1938	Yoncalla OR
4207	Byron Bostwick
4208	Fred C. Stoes(3)	1937	Niles Canyon CA
4000-1	MC-1(not CF)	1909	2-8-8-2	Rebuilt to AC-1 in 1928
4000	K. Moore(3)	1909
4001	Daniel McKellips(3)	1909
4000-1	AC-1	1928	2-8-8-2	Rebuilt from MC-1
4000	OP-15653 Otto Perry(2)	1931	Sacramento, CA
4000	Bud Laws(1)	1911	W. Oakland, CA
4000		1938	Roseburg, OR
4001	OP-15654 Otto Perry(2)	1938	Weed, CA
4002-16	Mallet Consolidation MC-2	1909	2-8-8-2	Rebuilt to AC-1
4002		1938	Los Angeles, CA
4003	OP-15655 Otto Perry(2)	1938	Wells, NV
4003		1941	Colton, CA
4004
4005		1938	Klamath Falls OR
4006	OP-15656 Otto Perry(2)	1938	Klamath Falls, OR
4008		1947	Sparks NV
4009	OP-15899 Otto Perry(2)	1939	Glendale, CA
4009		1939	Los Angeles, CA
4010		1937	Los Angeles, CA
4012		1948	Sacramento CA
4012		1939	Sparks NV
4014
4015	OP-15657 Otto Perry(2)	1935	Truckee, CA
4015		1946	Eugene OR
4016	OP-15658 Otto Perry(2)	1940	Los Angeles, CA
4016		1940	Los Angeles CA
4016		1941
4017-28	Mallet Consolidation MC-4	1911	2-8-8-2	Rebuilt to AC-2
4017
4017		1941	Mojave CA
4018		1939	Los Angeles CA
4018		1937	Los Angeles CA
4019	OP-15659 Otto Perry(2)	1926	Ashland, OR
4019			Oakridge,OR
4020
4021	OP-15660 Otto Perry(2)	1935	Sparks, NV
4021			Wakridge OR
4023		1936	Sacramento CA
4024	Rick Hamman
4024		1940	Los Angeles CA
4025
4026		1942	Los Angeles CA
4027		1946	Portland, OR
4027			Oakridge OR
4028
4029-48	Mallet Consolidation MC-6	1912-13	2-8-8-2	Rebuilt to AC-3
4029
4030		1948
4031	HJ Harding(1)	1934	Sparks, NV
4032		1949	Portland OR
4033		1948	Sacramento, CA
4034			Sacramento, CA
4035	Bud Laws(1)	1923	Sacramento, CA
4036			Eugene, OR
4037		1946	Alturas, CA
4038		1947	Alturas CA
4039		1937	Alturas, CA
4040	OP-15662 Otto Perry(2)	1931	Tracy, CA
4041	Fred C. Stoes(3)	1937	Roseville, CA
4042		1948	Klamith Falls OR
4043	Stan Kistler	1949	Portland, OR
4044		1948	Klamath Falls, OR
4045
4046		1939	Los Angeles, CA
4047		1948	Klamith Falls, OR
4047		1939	Los Angeles CA
4048		1940	Mojave CA
4100-09	AC-4	1928	4-8-8-2
4100	Bill Gardenour
4100
4101		1952	Roseville, CA
4101		1940	Los Angeles CA
4101	OP-15902 Otto Perry(2)	1940	Los Angeles, CA
4102
4102	OP-15903 Otto Perry(2)	1935	Truckee, CA
4103	OP-15904 Otto Perry(2)	1939	Glendale, CA
4103		1941
4104	Howard Davis(1)	1949	Sparks NV
4104	Stan Kistler	1954	Oakland CA
4105	OP-15663 Otto Perry(2)	1935	Reno, NV
4105		1938	Bakersfield CA
4106	OP-15664 Otto Perry(2)	1931	Reno, NV
4106		1940	Los Angeles CA
4107	OP-15665 Otto Perry(2)	1931	Roseville, CA
4107		1939	Los Angeles CA
4108	OP-15910 Otto Perry(2)	1935	Roseville, CA
4108		1953	Oakland CA
4109	OP-15666 Otto Perry(2)	1935	Truckee, CA
4109
4110-25	AC-5	1929	4-8-8-2
4110		1952	Sacramento CA
4110	OP-15668 Otto Perry(2)	1935	Los Angeles, CA
4110	OP-15667 Otto Perry(2)	1935	Los Angeles, CA
4111		1941	Mojave CA
4111	OP-15669 Otto Perry(2)	1935	Norden, CA
4112	OP-15915 Otto Perry(2)	1940	Los Angeles, CA
4112	Fred C. Stoes(3)
4113	Bud Laws(1)	1933
4114	Bud Laws(1)	1930	Taylor Yd, LA CA
4114	OP-15670 Otto Perry(2)	1934	Los Angeles, CA
4114		1948	Los Angeles, CA
4115	HJ Harding(1)	1934	Los Angeles, CA
4115	Ron Healy
4116		1951	Bayshore Yard, CA
4117		1947	Los Angeles, CA
4117	OP-15671 Otto Perry(2)	1937	Los Angeles, CA
4118		1941	Rosamond, CA
4119	OP-15672 Otto Perry(2)	1934	Los Angeles, CA
4119	OP-15917 Otto Perry(2)	1934	Los Angeles, CA
4119		1951	Bayshore Yard, CA
4120	Gary Overfield
4121		1941	Mojave, CA
4122	OP-15673 Otto Perry(2)	1934	Bakersfield, CA
4123	OP-15921 Otto Perry(2)	1937	Los Angeles, CA
4124		1940	Mojave,CA
4125		1940	Tehacapi,CA
4126-50	AC-6	1930	4-8-8-2
4126
4127
4127	OP-15923 Otto Perry(2)	1938	Gerber, CA
4128		1940	Los Angeles,CA
4129		1940	Los Angeles,CA
4129		1939	Roseville CA
4130		1940	Rosevilla,CA
4131		1940	Rosevilla,CA
4132	OP-15674 Otto Perry(2)	1931	Roseville, CA
4133
4134	Stan Kistler	1954	San Jose,CA
4135	Stan Kistler
4136	© Gary Stuebben	1954	Tracy, CA
4136	Stan Kistler	1954	Oakland CA
4137		1946	Los Abngles CA
4138	Stan Kistler	1939	Klamith Falls OR
4139	Stan Kistler	1949	Klamith Falls OR
4140		1953	Santa Clara, CA
4141	Stan Kistler	1953	Roseville, CA
4142	Fred C. Stoes(3)	1937	Roseville, CA
4142	OP-15677 Otto Perry(2)	1938	Roseville, CA
4143
4143		1949	Portland, OR
4144	OP-15678 Otto Perry(2)	1938	Dunsmuir, CA
4144	Stan Kistler	1950	Los Angeles CA
4145		1954	Sacramento CA
4146	©Alex Campbell	1954	Gerber CA
4146	OP-15931 Otto Perry(2)	1935	Cisco, CA
4146
4147	OP-15679 Otto Perry(2)	1935	Sparks, NV
4148	Gene Deimling	1938	Dusmuir, CA
4148	OP-15932 Otto Perry(2)	1938	Roseville, CA
4149
4148		1953	El Casco
4150	Byron Bostwick
4150		1946	Los Angeles CA
4151-76	AC-7	1937	4-8-8-2
4151	Fred C. Stoes(3)	1937	Truckee, CA
4151
4152	OP-15680 Otto Perry(2)	1938	Reno, NV
4153	Wesley Krambeck(1)	1937	E. St. Louis IL
4153		1946
4154
4154		1955	Roseville, CA
4155		1954	Sacramento,, CA
4155		1954	Los Angeles, CA
4156		1948	Colton, CA
4157	Fred C. Stoes(3)	1937	Truckee, CA
4157		1949	Roseville, CA
4158		1947	Los Angeles, CA
4159
4159
4160
4161		1956	Bayshore CA
4162		1947	Tucson AZ
4162	Fred A. Stindt	1956	Bayshore CA
4163		1948	Los Angeles CA
4164
4164		1954	Los Angeles CA
4165	Bud Laws(1)	1937	Kansas City MO
4166	Bud Laws(1)	1937	Kansas City MO
4166	OP-15681 Otto Perry(2)	1938	Roseville, CA
4166		1946	Mojave CA
4167	Byron Bostwick
4167	Bud Laws(1)	1950	Roseville CA
4168		1954	Sparks, NV
4169
4169		1955	9 Roseville CA
4170	Ron Healy	1937	Collfax
4170		1955	Roseville CA
4171		1947	Roseville CA
4172		1949	Los Angeles CA
4173		1940	Roseville CA
4173	Bud Laws(1)		Tucson AZ
4174	Bud Laws(1)	1937	Kansas City MO
4175
4175	OP-15682 Otto Perry(2)	1938	Roseville, CA
4176	Stan Kistler	1954	Los Angeles CA
4176	Fred A. Stindt	1939	Roseville CA
4177-4204	AC-8	1939	4-8-8-2
4177	Stan Kistler	1939	Los Angeles CA
4177			Oakridge, Or
4178	Bob Baily
4178	Stan Kistler	1939	Los Angeles CA
4179	Stan Kistler	1948	Los Angeles CA
4180
4180		1955	Roseville CA
4181	Edward O'Donnell	1939	Reno NV
4182
4182		1948	Los Angeles CA
4183
4183		1956	Sacramento CA
4184	Richard B. Hain
4184		1953	Bakersfield CA
4185
4185		1951	Bayshore Yard, CA
4186		1955	Tracy CA
4187	OP-15935 Otto Perry(2)	1940	Los Angeles, CA
4187		1951	Los Angeles CA
4188		1940	Reno NV
4188		1939	Los Angeles CA
4189	Fred C. Stoes(3)		Watsonville Jct
4189		1947	Los Angeles CA
4190	OP-15936 Otto Perry(2)	1940	Los Angeles, CA
4190		1939	Los Angeles CA
4191
4191		1956	Bayshore CA
4192		1939	Blue Island IL
4193	C. W. (Bill) Jernstrom(3)	1952	San Luis Obispo CA
4193		1939	Los Angeles CA
4194		1950	Los Angles CA
4194		1950	Mojave CA
4196	OP-15937 Otto Perry(2)	1940	Glendale, CA
4196		1950	Los Angeles CA
4195	© Gary Stuebben	1939	Los Angeles, CA
4197		1940	Los Angeles CA
4198	Byron Bostwick
4198		1939	Los Angeles CA
4199		1948	Los Angeles CA
4199		1955	Fresno CA
4201		1952	Los Angeles CA
4202	OP-15938 Otto Perry(2)	1940	Glendale, CA
4202		1934	Eugen OR
4203
4203		1942	Roseville CA
4204		1935	Sacramento CA
4204		1954	Eugene, CA
4205-4244	AC-10	1942	4-8-8-2
4205	Stan Kistler	1955	Colfax CA
4206	Walter R. Evans		Roseville, CA
4207
4207	Stan Kistler	1953	Los Angeles CA
4208		1937	Oakland CA
4208
4209		1956	San Jose CA
4209	Stan Kistler
4210	OP-15683 Otto Perry(2)	1931	Sacramento, CA
4210	Bud Laws(1)	1953	Roseville CA
4211	John Hungerford-JT	1956	Tehachapi Mts CA
4211		1955	Alturas CA
4212	Max Miller-BL	1956	Roseville CA
4212		1956	San Jose, CA
4213	Stan Kistler	1958	Bayshore CA
4214	Bud Laws(1)	1956	Los Angles CA
4215		1954	Los Angeles, CA
4216	Joe Dixon		Roseville, CA roundhouse
4216
4217	Harold F. Stewart	1956	W. Oakland, CA
4217	Stan Kistler	1956	Los Angeles CA
4218		1957	Sacramento, CA
4218	Stan Kistler	1955	Los Angelea CA
4219	Howard Davis(1)	1950	Portola CA
4220	Bud Laws(1)	1955	Oakland CA
4220	OP-15684 Otto Perry(2)	1957	Roseville CA
4221	Howard Davis(1)	1946	Roseville CA
4221	Stan Kistler	1952	Colton CA
4222
4222	Stan Kistler	1952	Oakland CA
4223	Stan Kistler	1955	Ravendale CA
4224		1955	Watsonville, CA
4225	Stan Kistler	1955	Suisun CA
4226	Stan Kistler	1955	Roseville CA
4226	Bud Laws(1)	1954	Roseville CA
4227	Bud Laws(1)	1956	Roseville CA
4227	Stan Kistler	1951	Los Angeles CA
4228	OP-15685 Otto Perry(2)	1957	Roseville CA
4228	Bud Laws(1)	1952	Roseville CA
4228	Stan Kistler	1947	Los Angeles CA
4229
4230
4230	Stan Kistler	1951	Glendale CA
4231	Stan Kistler	1954	Tracy CA
4232	Stan Kistler	1955	Oakland CA
4233	Stan Kistler	1949	Los Angeles CA
4234	Stan Kistler	1949	Roseville CA
4235
4236	Stan Kistler	1955
4236	Stan Kistler	1954	Watsonville Jct CA
4237
4237	Stan Kistler	1955	Roseville CA
4238	Stan Kistler	1955	Los Angelea CA
4239	Stan Kistler	1953	El Paso
4240	OP-15686 Otto Perry(2)	1957	Roseville CA
4240	Stan Kistler	1956	Bayshore CA
4241	Stan Kistler	1950	Los Angeles CA
4241
4242	OP-15687 Otto Perry(2)	1957	San Francisco, CA
4242	C. W. (Bill) Jernstrom(3)	1952	Watsonville Jct
4244	Stan Kistler	1952	Bakerfield CA
4245-4274	AC-11	1942-3	4-8-8-2
4245		1942	Los Angeles, CA
4246
4248	Howard Davis(1)	1948	Roseville CA
4249			Los Angeles, CA
4250	Stan Kistler	1993	Wenamar
4250	Bud Laws(1)		Fernley NV
4251		1956	Roseville CA
4252		1956	Alturas CA
4253		1951	Los Angeles, CA
4254		1943	Los Angles CA
4255
4256		1954	Roseville, CA
4257	Fred C. Stoes(3)		Tehachapi Loop
4258		1956	Oakland CA
4259	Howard Davis(1)	1940	Sparks NV
4259	Stan Kistler	1957	Roseville CA
4260	Bud Laws(1)	1950	Roseville CA
4261	Stan Kistler	1951	Roseville CA
4261	Stan Kistler	1947	Los Angeles CA
4262	Stan Kistler	1953	Los Angeles CA
4263	Stan Kistler	1955	Watsonville CA
4264		1947	Tucson AZ
4266		1955	Rosevville CA
4267		1955	Ravendale CA
4268	Bob Rathke		Reno, NV
4269	Howard Davis(1)	1948	Roseville CA
4270	Stan Kistler	1949	Sparks NV
4271	Stan Kistler	1956	Rosevville CA
4272
4272
4273		1952	Bakersfield CA
4274	Stan Kistler	1954	Los Angele CA
4274	Stan Kistler	1957	Penryn CA
4275-4294	AC-12	1943-4	4-8-8-2
4275	Gene Deimling	1947	Los Angles CA
4275		1947	Los Angles CA
4276	OP-15688 Otto Perry(2)	1957	Roseville, CA
4276	Stan Kistler	1957	Roseville CA
4277	Stan Kistler	1955	Alturas CA
4277			Truckee, CA
4278	OP-15689 Otto Perry(2)	1957	San Francisco, CA
4278	Stan Kistler	1949	Los Angeles CA
4279	Stan Kistler	1949	Colton CA
4280	Stan Kistler	1955	Roseville CA
4281		1953	Watsonville Jct, CA
4282			CA
4282	Stan Kistler
4283	Stan Kistler	1955	Watsonville Jct CA
4284		1955	Santa Clara CA
4284	Stan Kistler	1955	Watsonville Jct CA
4285	Stan Kistler	1947	Lancaster CA
4286	Walt Paschelke c/o Joel Ashcroft	1951	McCredie Springs, OR
4286	Stan Kistler	1956	San Jose CA
4287		1955	Watsonville CA
4287	Stan Kistler	1956	Bayshore CA
4288		1948	Los Angeles CA
4288		1948	Los Angeles CA
4289
4289		1951	Glendale CA
4290		1949	Roseville CA
4291	Stan Kistler	1955	Los Angeles CA
4292		1952	Bakersfield CA
4293		1951	CA
4294	D. Dean		California Railroad Museum
4294	C. W. (Bill) Jernstrom(3)	1956	Tracy, CA
4294	MacOwen-JT	1969	Sacramento 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.