M-10003-6
Encyclopedia
The Union Pacific Railroad
's M-10003, M-10004, M-10005, and M-10006 were four identical diesel-electric streamliner
train
2-car power sets delivered in May, June, and July 1936 from Pullman-Standard with engines and internal locomotive
equipment by General Motors Electro-Motive Corporation and control and electrical equipment designed by the General Electric Company. One was for the City of San Francisco
, two were for the City of Denver
, and one was a spare set that ran on both routes. In 1939, M-10004 was split and converted into additional boosters for the other sets, now renumbered CD-05, CD-06, and CD-07, all running on the City of Denver. The M-10001
power car became the other third booster. In this form, the three power sets ran until they were replaced by E8
locomotives in 1953, at which point they were scrapped.
s in all but name. Their service life of seventeen years was longer than any other UP streamliners.
set, which was completed just previous to these. Abandoning the "turret cab" styling of M-10000
through M-10002
, these units adopted a new "automobile design" elevated cab, as in the Green Diamond, behind a long prow of a nose. A divided front air intake grille dominated the nose front, edged in shining stainless steel
. Beneath, the pilot
was edged and barred in stainless steel, very like the Diamond's. A large headlight tipped the nose.
Each power car had a 1,200 hp V16
Winton 201-A engine, generator, and a pair of two-axle powered trucks. The rear truck of the first power car and the lead truck of the second power car carried a span bolster
to which both power cars were articulated, so they made one unified locomotive of B-B+B-B configuration and a total of 2,400 hp (1,800 kW).
herald to the nose in addition to the Union Pacific one, and changed nose-side badges for the route. At some point, the original Armour Yellow and Leaf Brown livery was changed to the UP paint scheme still used today, of Armour Yellow with Harbor Mist Gray roof and base, and red striping separating them.
The M-10003 was intended to be a spare power unit set, able to fill in on either the City of San Francisco or City of Denver if any of the other three trainsets needed maintenance. In June 1937, it was decided to permanently assign it to the City of Denver and it was renumbered to CD-07. A third power car was added in December 1939, using a new carbody and the power equipment from M-10001.
CD-07 remained in service on the City of Denver with the two other sets until March 1953, and was scrapped with them in summer that year.
through M-10002
sets. It entered revenue service on June 14, 1936 but lasted only 18 months on the train before the new EMC E2 3-unit set SF-1, SF-2 and SF-3 took over. The train was then refurbished by the UP, renumbered LA-4 and placed on City of Los Angeles
service, bumping M-10002 to the City of Portland
, which in turn displaced M-10001.
After less than a year as the City of Los Angeles, the LA-4 was replaced again, this time by new EMC E3s LA-5 and LA-6 in March 1939. In June of that year, the lead power car of the train was rebuilt as a booster unit, renumbered to CD-06-C, and added to the former M-10006, now renumbered as CD-06. The trailing power car was added to the former M-10005, now CD-05, as CD-05-C. Both cars were scrapped with their respective power sets.
In June 1939, the former trailing power car of LA-4 (ex M-10004) was added as a third locomotive unit to the power set, giving it a total of 3,600 hp (2,700 kW), and the train was lengthened.
In this form, CD-05 continued in service until March 1953, when it was replaced by new E8 units and scrapped a few months later.
Union Pacific Railroad
The Union Pacific Railroad , headquartered in Omaha, Nebraska, is the largest railroad network in the United States. James R. Young is president, CEO and Chairman....
's M-10003, M-10004, M-10005, and M-10006 were four identical diesel-electric streamliner
Streamliner
A streamliner is a vehicle incorporating streamlining in a shape providing reduced air resistance. The term is applied to high-speed railway trainsets of the 1930s to 1950s, and to their successor "bullet trains". Less commonly, the term is applied to fully faired recumbent bicycles...
train
Train
A train is a connected series of vehicles for rail transport that move along a track to transport cargo or passengers from one place to another place. The track usually consists of two rails, but might also be a monorail or maglev guideway.Propulsion for the train is provided by a separate...
2-car power sets delivered in May, June, and July 1936 from Pullman-Standard with engines and internal locomotive
Locomotive
A locomotive is a railway vehicle that provides the motive power for a train. The word originates from the Latin loco – "from a place", ablative of locus, "place" + Medieval Latin motivus, "causing motion", and is a shortened form of the term locomotive engine, first used in the early 19th...
equipment by General Motors Electro-Motive Corporation and control and electrical equipment designed by the General Electric Company. One was for the City of San Francisco
City of San Francisco
The City of San Francisco was a streamlined passenger train operated jointly by the Chicago and North Western Railway, the Southern Pacific Railroad, and the Union Pacific Railroad...
, two were for the City of Denver
City of Denver
The City of Denver was a passenger train operated jointly by the Chicago and North Western and Union Pacific railroads. The train operated on both railroads' rights of way between Chicago, Illinois, and Denver, Colorado...
, and one was a spare set that ran on both routes. In 1939, M-10004 was split and converted into additional boosters for the other sets, now renumbered CD-05, CD-06, and CD-07, all running on the City of Denver. The M-10001
M-10001
The Union Pacific Railroad's M-10001 was a record breaking diesel-electric streamliner train built in late 1934 by Pullman-Standard with an engine from General Motors Electro-Motive Corporation and General Electric generator, control equipment and traction motors...
power car became the other third booster. In this form, the three power sets ran until they were replaced by E8
EMD E8
The EMD E8 was a , A1A-A1A passenger train locomotive manufactured by General Motors' Electro-Motive Division of La Grange, Illinois. The cab version, or E8A, was manufactured from August, 1949 to December, 1953, and 449 were produced – 446 for U.S., and 3 for Canada...
locomotives in 1953, at which point they were scrapped.
Historical significance
The M-10003 through M-10006 represented the final development of the custom streamlined trainset on the Union Pacific, and showed the way toward the future of separate locomotives. As totally separable and interchangeable power sets, they were diesel locomotiveDiesel locomotive
A diesel locomotive is a type of railroad locomotive in which the prime mover is a diesel engine, a reciprocating engine operating on the Diesel cycle as invented by Dr. Rudolf Diesel...
s in all but name. Their service life of seventeen years was longer than any other UP streamliners.
Details
In many respects, these power sets had a lot in common with the Illinois Central's Green DiamondGreen Diamond
The Green Diamond of the Illinois Central Railroad was a diesel streamliner built in 1936 by Pullman-Standard and powered by Electro-Motive Corporation. It was the last streamliner built with the power car articulated with the train; future streamliners featured a matched but separable locomotive...
set, which was completed just previous to these. Abandoning the "turret cab" styling of M-10000
M-10000
The Union Pacific Railroad's M-10000, delivered to the railroad on February 12, 1934, at a cost of $230,997, was the first internal combustion engine, lightweight streamlined express passenger train in the United States. The carbodies and interior fittings were built by Pullman-Standard...
through M-10002
M-10002
The Union Pacific Railroad's M-10002 was a diesel-electric streamliner train built in 1936 by Pullman-Standard with a prime mover from the Winton engine division of General Motors Corporation and General Electric generator, control equipment and traction motors...
, these units adopted a new "automobile design" elevated cab, as in the Green Diamond, behind a long prow of a nose. A divided front air intake grille dominated the nose front, edged in shining stainless steel
Stainless steel
In metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable", is defined as a steel alloy with a minimum of 10.5 or 11% chromium content by mass....
. Beneath, the pilot
Pilot (locomotive)
In railroading, the pilot is the device mounted at the front of a locomotive to deflect obstacles from the track that might otherwise derail the train. In some countries it is also called cowcatcher or cattle catcher....
was edged and barred in stainless steel, very like the Diamond's. A large headlight tipped the nose.
Each power car had a 1,200 hp V16
V16 engine
A V16 engine is a V engine with 16 cylinders. Engines of this number of cylinders are uncommon in automotive use.A V16 engine is perfectly balanced regardless of the V angle without requiring counter-rotating balancing shafts which are necessary to balance Straight-4 and odd number of cylinder...
Winton 201-A engine, generator, and a pair of two-axle powered trucks. The rear truck of the first power car and the lead truck of the second power car carried a span bolster
Span bolster
A span bolster, in rail terminology, is a beam or frame used to link two trucks or bogies so that they can be articulated together and be joined to the locomotive or railroad car at one rotating mounting point...
to which both power cars were articulated, so they made one unified locomotive of B-B+B-B configuration and a total of 2,400 hp (1,800 kW).
Changes
The most significant change to these power sets came in 1939, when they were converted from four two-car, 2,400 hp sets to three three-car, 3,600 hp (2700 kW) sets. Other changes included a gyrating signal light installed below the main headlight after the Second World War, the loss of the stainless steel trim on the pilot, the addition of the Chicago and North Western RailwayChicago and North Western Railway
The Chicago and North Western Transportation Company was a Class I railroad in the Midwest United States. It was also known as the North Western. The railroad operated more than of track as of the turn of the 20th century, and over of track in seven states before retrenchment in the late 1970s...
herald to the nose in addition to the Union Pacific one, and changed nose-side badges for the route. At some point, the original Armour Yellow and Leaf Brown livery was changed to the UP paint scheme still used today, of Armour Yellow with Harbor Mist Gray roof and base, and red striping separating them.
M-10003, later CD-07
Despite the earlier number, the M-10003 was actually the last completed of the four. This was because the number M-10003 had been previously assigned to a projected sister trainset to M-10001, which was cancelled when the UP and Pullman-Standard realised that demand for the new trains required more power and a longer trainset. The number was reallocated to the fourth of the new units.The M-10003 was intended to be a spare power unit set, able to fill in on either the City of San Francisco or City of Denver if any of the other three trainsets needed maintenance. In June 1937, it was decided to permanently assign it to the City of Denver and it was renumbered to CD-07. A third power car was added in December 1939, using a new carbody and the power equipment from M-10001.
CD-07 remained in service on the City of Denver with the two other sets until March 1953, and was scrapped with them in summer that year.
M-10004, later LA-4
First completed was M-10004 in May 1936 for the City of San Francisco. The new power cars had vertical sides and higher profiles than the previous streamliners, but the rest of the train was built to the tapered-side profile of the M-10000M-10000
The Union Pacific Railroad's M-10000, delivered to the railroad on February 12, 1934, at a cost of $230,997, was the first internal combustion engine, lightweight streamlined express passenger train in the United States. The carbodies and interior fittings were built by Pullman-Standard...
through M-10002
M-10002
The Union Pacific Railroad's M-10002 was a diesel-electric streamliner train built in 1936 by Pullman-Standard with a prime mover from the Winton engine division of General Motors Corporation and General Electric generator, control equipment and traction motors...
sets. It entered revenue service on June 14, 1936 but lasted only 18 months on the train before the new EMC E2 3-unit set SF-1, SF-2 and SF-3 took over. The train was then refurbished by the UP, renumbered LA-4 and placed on City of Los Angeles
City of Los Angeles
The City of Los Angeles was a streamlined passenger train that ran between Chicago, Illinois, and Los Angeles, California, via Omaha, Nebraska, and Ogden, Utah. Between Omaha and Los Angeles it ran on the Union Pacific Railroad; east of Omaha it ran on the Chicago and North Western Railway until...
service, bumping M-10002 to the City of Portland
City of Portland
The City of Portland was a named passenger train operated by the Union Pacific Railroad and Chicago and North Western Railway between Chicago, Illinois, and Portland, Oregon. It started in June 1935, using the refurbished M-10001 streamliner trainset; with only one set of equipment the train left...
, which in turn displaced M-10001.
After less than a year as the City of Los Angeles, the LA-4 was replaced again, this time by new EMC E3s LA-5 and LA-6 in March 1939. In June of that year, the lead power car of the train was rebuilt as a booster unit, renumbered to CD-06-C, and added to the former M-10006, now renumbered as CD-06. The trailing power car was added to the former M-10005, now CD-05, as CD-05-C. Both cars were scrapped with their respective power sets.
M-10005, later CD-05
Completed in June 1936, M-10005 entered service as the first of two new streamliners, the "Denver twins", for the City of Denver service on June 18. After approximately a year of running that service, during which the train and its sister M-10006 had moved 129,000 passengers and travelled 765,000 miles (1,231,000 km) between the two, the train was renumbered CD-05.In June 1939, the former trailing power car of LA-4 (ex M-10004) was added as a third locomotive unit to the power set, giving it a total of 3,600 hp (2,700 kW), and the train was lengthened.
In this form, CD-05 continued in service until March 1953, when it was replaced by new E8 units and scrapped a few months later.
M-10006, later CD-06
M-10006 followed a similar service life to its sister M-10005, being the second of the "Denver twins". It was renumbered to CD-06 in June 1937, and added the rebuilt first power car of LA-4 (ex M-10004) as its third power car in June 1939. It was withdrawn alongside the other units during March 1953 and scrapped.Further reading
- Strack, Don. (2001) Union Pacific Diesel Story, 1934-1982, Part I. Retrieved on December 25, 2004.