Union Pacific Streamliner 6th Train

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This page was last updated on May 16, 2023.

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(Portions of this Streamliner timeline are included as part of the larger UP Passenger Service Timeline)

6th Train (M-10006)

6th Train (1936 to 1938)

These two trains were assigned to City of Denver service, and were the first Streamliners with separate motive power units, and a mix of single non-articulated cars and two-unit articulated cars.

(Read more about the 5th Train, including its consist.)

June 18, 1936
M-10005 and M-10006 entered revenue service as the "City of Denver," making the 1,048 mile trip between Chicago and Denver in 16 hours.

Motive Power

M-10006(A) 1200 HP motor to CD-06-A 1938, scrapped in 1953
M-10006(B) 1200 HP motor to CD-06-B 1938, scrapped in 1953

Cars

11705 (added in ?) auxiliary power to CD-12 1937
11702 auxiliary power, baggage to CD-11 1937
12204 baggage, mail to CD-31 1937
11703 baggage, lounge to CD-71 1937
10409 (with 10410) 50 seat coach to CD-42 1937
10410 (with 10409) 50 seat coach to CD-43 1937
10304 Diner to CD-61 1937
Big Piney
(with Snowy Range)		 12 section  
Snowy Range
(with Big Piney)		 8 section-1 compartment, 2 bedroom to 8 section-3 bedroom 1938
St. Vrains
(with Colores)		 12 section  
Colores
(with St. Vrains)		 5 bedroom, 1 compartment, observation, lounge to 6 bedroom, observation-lounge 1938

6th Train (1938 to 1953)

Motive Power

CD-06-A (June 1937 to March 1953) 1200 HP motor ex M-10006 (cab)
CD-06-B (June 1937 to March 1953) 1200 HP motor ex M-10006 (booster)
CD-06-C (July 1939 to March 1953) 1200 HP motor rebuilt from the retired LA-4 cab unit

Cars

CD-11 auxiliary power retired in 1953
CD-12 auxiliary power, baggage retired in 1953
CD-31 baggage, mail retired in 1953
CD-71 baggage, lounge (dormitory lounge) retired in 1953
CD-42 50 seat coach retired in 1953
CD-43 50 seat coach retired in 1953
CD-61 Diner-lounge traded with CD-60 1942, retired in 1953
Big Piney
(with Snowy Range)		 12 section retired in 1953
Snowy Range
(with Big Piney)		 8 section, 1 compartment , 2 bedroom retired in 1953
South Platte (added in 1939) 4 roomette, 4bedroom, 3 compartment, 1 drawing room retired in 1953
St. Vrains
(with Colores)		 12 section retired in 1953
Colores
(with St. Vrains)		 5 bedroom, 1 compartment, observation, lounge retired in 1953

CD-12 auxiliary power, baggage used for protection for M-10005 & M-10006 Diner-lounge cars traded but retained numbers.

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