Denver, South Park & Pacific RR – 2-6-6T

There were 4 different classes of Mason Bogie on the South Park:

Class 1 – Very Light 2-6-6T – #5, bought second hand from the Kansas Central, converted from 0-6-6T to 2-6-6T.  South Park only owned one of this class.  34″ drivers, Engine weight 42,000 lbs on drivers. 12×16 cylinders…no class No.

Class 2 – Light 2-6-6T – built with wagon top boilers, South Park Owned 10 of this type. #3, 4, 6, 7, 8, 9, 10, 11, 12, 13. Classed ‘DH-1′, by the UP owners (Union Pacific owned the South Park for some years), as their feeble attempt to by-pass the Jay Gould ‘Tri-partide’ agreement, that stated the Sante Fe would not build north into Colorado, the UP wouldn’t build south into Colorado, and the DSP&P & D&RG wouldn’t leave Colorado!). 37″ drivers, 43,850 lbs on drivers. 13×16 cylinders.  This is the model we’re building in the Masterclass.

Class 3 – Heavy 2-6-6T – built with straight boilers.  South Park owned 8 of this type, #14, #15, 16, 20, 21, 22, 23, 24.  Classed ‘DI-1′ by the UP owners, 37″ drivers 45,000 lbs on drivers, 14×16 cylinders.

Class 4…2-8-6T – South Park owned 4 of these monsters, #25 ‘Alpine’, #26 ‘Rico’, #27 ‘Roaring Fork’ and #28 ‘Denver’..you already have the only known builder’s photo of this loco. 36″ drivers, 55,340 lbs on drivers, 15×20 cylinders, classed ‘EJ-1′ by UP owners.  these engines are displayed on a separate page.

Class 1 Photos and Information – 2-6-6T Very Light

We have no photos of this class.

Class 2 Photos and Information – 2-6-6T Light

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Number 3, later renumbered to Number 40 in 1885.  Click photo for a larger image of top photo.

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Number 4, later renumbered to Number 41 in 1885.  Click photo for a larger image.

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This is a scan of the original builders photo of No 4, digitally enhanced with Photoshop.  Click picture for a larger version of the original sepia photo.  Click here for a digitally enhanced large version.  Photo from the collection of Keith Christenson.

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Number 6, later renumbered to Number 42 in 1885.  Click photo for a larger image.

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Still another shot of Number 42.  Click photo for a larger image.

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Number 7, later renumbered to Number 43 in 1885.  Click photo for a larger image.

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Number 8, later renumbered to Number 44 in 1885.  Click photo for a larger image.

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Number 10, later renumbered to Number 45 in 1885.

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Number 11, later renumbered to Number 46 in 1885.  Click photo for a larger image.

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Another shot of No 11, this from the opposite side.

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Number 12, the Como, later renumbered to Number 47.  Click photo for a larger image.

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Number 13, later renumbered to Number 48 in 1885.  Click photo for a larger image.

Name Various Number 3,4,6,7,8,10,11,13
Works No Various Type 2-6-6T
Date 1878-1880 Drivers 3’1″
Cylinders 13×16, 14×16 Weight 43,850 & 45,000
Gauge 3’0″
Later RR Union Pacific/Chicago Burlington & Quincy

Mason #4 – Builder’s photo of the 2nd Mason to be delivered to the South Park, she is a ‘light’ 2-6-6T , with wagon top boiler, same type as being modeled in MC2002.  Built DSP&P #4, ‘San Juan’ in 11/1878, Mason’s 597th loco, renumbered #41 in 1885 when the South Park renumbered the fleet, scrapped in 1889.

Mason #6 – in service shots in the late 1880s, Built as DSP&P #6 ‘Ten Mile’  in 4/1879, Mason’s #599, 4th Mason Bogie to be delivered to the DSP&P, is again a ‘Light’ type 2-6-6T.  Renumbered #42 in 1885, and retained number into the Denver Leadville and Gunnison era.  Scrapped in 1890.

Mason #7 – Photo taken in the late 1880s..in the ‘final version’ appearance as used by the South Park.  She was built 4/1879, as Mason’s 600th loco, named ‘Gunnison’, Originally numbered DSP&P #7, then re-numbered #43 in 1885, under the new DSP&P numbering scheme. She retained the #43 into the Denver Leadville and Gunnison RR era, until scrapped in 1890.

Mason #8 – Photographed Union Station, Denver in 1887, Built DSP&P #8 ‘Lake City’ in 5/1879, as Mason’s #601, South Park’s 6th Mason Bogie.  Renumbered #44 in 1885, and retained in the DL&G era.  Scrapped in 1889.  Again a ‘light’ 2-6-6T.

Mason #11 –  Photographed late 1880s in service.  Built as DSP&P # 11, ‘Ouray’ in 8/1878, Mason’s #608.  Renumbered #46 in 1885, and retained in the DL&G era.  Scrapped in 1890. ‘Light’ 2-6-6T.

Mason #13 – Early 1880s in service photo.  Built for the DSP&P as #13, ‘Ruby’ in 9/1879, as Mason’s #610, renumbered #48 in 1885, and retained in the DL&G era, scrapped in 1890.

Class 3 Photos and Information – 2-6-6T Heavy

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Number 15, later renumbered to Number 51 in 1885.Source – “The Fairlie Locomotive” – Abbott p83.  Click photo for a larger image.

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A wood engraving of the same engine.Click photo for a larger image (very large image).

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Number 22, later renumbered to Number 55 in 1885.  Click photo for a larger image.

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Number 24, later renumbered to Number 57 in 1885.  Click photo for a larger image.

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Another shot of Number 57 after name change to Denver, Leadville, & Gunnilson — photographed at Garfield Quarry in 1892.  Photo from Denver, South Park & Pacific, Mac Poor page 457.  Click photo for a larger image.

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1939 photo of #57, the last surviving 2-6-6T, taken in Aimes, IA.  Click photo for a larger image.

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Another photo of 57 in Aimes, IA.  From the Ken Martin collection.  Click photo for a larger image.

Name Various Number 15,22,24
Works No Various Type 2-6-6T
Date 1879-1880 Drivers 3’1″
Cylinders 13×16 Weight 43,850
Gauge 3’0″
Later RR Union Pacific/Chicago Burlington & Quincy

Mason #15 – Builder’s Photo of the famous ‘Breckenridge’,  Built in 10/1879, Mason’s #612, renumbered #51 in 1885, and retained in the DL&G era, The South Park’s 2nd of the heavy class 2-6-6T (with straight boiler)…simply listed as ‘gone’ by 1894.

Mason #22 – Built as DSP&P #22 ‘Crested Butte’ in 12/1879, Mason’s #616.  Renumbered #55 in 1885, and retained in the DL&G era.  Sold by 1894.  This is a ‘heavy’ type 2-6-6T.  This is the loco that David Fletcher based his ‘Crested Butte’ 2-6-6T on 4 years ago in 1:24 scale.

Mason #24 – the Famous #57 … last of the 2-6-6T to be bought by the South Park,  Built as #24 ‘ Buena Vista’ in 2/1880, Mason’s #618, renumbered #57 in 1885, retained in the DL&G, and still in service when the C&S was formed in 1899.  Numbered C&S #1, sold late 1899, or early 1900 to a lumber Co in Wisconsin, later offered for scrap in Iowa and donated to Ames campus, University of Iowa, Engineering school, scrapped in WWII drive in 1942.  She was the last South Park Mason and could have been something very special had it been kept.  This was the last of the ‘heavy’ type 2-6-6T.  The 4 Mason Bogies that followed were all 2-8-6Ts.

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