The Santa Fe type derives its name from the railroad that originally occurred it, and also would eventually own the most 2-10-2s; the Atchison, Topeka & Santa Fe Railway.

The Santa Fe was basically an outgrowth that the troubled 2-10-0 Decapod, i m sorry the railroad hoped would much better negotiate curves with the included rear axle as well as offer more power with a larger firebox.

While initially liked the Santa Fe would concerned have many of the same difficulties that plagued the 2-6-2 Prairie, counterbalancing which was hard on the track and also capped the rate at i m sorry they could safely operate. 

One of more successful types was work on the Baltimore & Ohio and also nicknamed "Big Sixes," which confirmed to be incredibly reliable in traction service. The B&O ongoing utilizing theirs till diesels finally displaced heavy steam in the 1950"s. 

Today, no American examples of this type are operable back three constructed by the Chinese are; one owned by RJ Corman and also two in business on the Iowa Interstate.

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This standard scene attributes a pair that Colorado & southerly 2-10-2"s, #903 and also #902 double-heading a long freight close to rural Altus, Wyoming top top October 10, 1958. Author"s collection.

The background of the Santa Fe form begins approximately the revolve of the 20th century. In 1902 the AT&SF took distribution of a pair that 2-10-0s, numbered 988-989, for use in pusher organization over Raton Pass.

The Decapods performed fairly well return the agency was running into a problem; there was no method to turn the huge steamers upon getting to the height of the grade so designers were forced to back the units earlier down the grade.

without a rolling truck and tight curves the locomotives had great difficulty doing so and also several derailments ensued. To correct this problem the Santa Fe visited the Burnham, Williams & Company, predecessor to the Baldwin Locomotive Works, requesting an speculative 2-10-0 v a rolling truck.


Other 10-Driver Types

Decapods (2-10-0) 

Texas species (2-10-4) 


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Duluth, Missabe & Iron range Railway 2-10-2 #507 works yard organization in Proctor, Minnesota on June 19, 1959. The locomotive was developed by Alco"s Brooks works (Dunkirk, brand-new York) in 1919 because that predecessor Duluth, Missabe & Northern. Stan Kistler photo.

Apparently the Santa Fe believed this modification would exactly the issue because they took shipment of a large order that the locomotives in between 1903 and 1904, eighty-five in all noted as course 900 and numbered 900-984.

if these instances proved come be reasonably reliable because that the AT&SF, and also corrected the derail issue, they to be interestingly never ever seriously modified native the initial 2-10-0 conserve for having actually an included trailing truck. Because that instance, many future 2-10-2s to buy by the Santa Fe featured enhanced boilers, larger fireboxes, and after 1912 all made use of the boosted Walschaerts valve equipment over the previously Stephenson design.

In 1905 the AT&SF went ago to Burnham, Williams & agency for another large order of Santa Fes, noted as course 1600 and also numbered 1600-1673 (these were the final examples to make use of the Stephenson design).


From 1912 v 1924 the AT&SF ongoing to add 2-10-2s to its roster and all were built by either Baldwin or its own shop forces.

that is most powerful designs were some of the last it got that could produce tractive efforts of 85,000+ pounds, a weight exceeding 350 loads (including tender), and a firebox that was more than 400 square feet in size (among various other features).

The railroad"s previously units started to see retirement in the late 1930s back its much more powerful Santa Fes continued to be in service until practically all steam left the residential or commercial property in the mid-1950s. Today, only among its original 352 examples is preserved; class 900 #940 is on display at the Bartlesville depot in Bartlesville, Oklahoma.

Aside from the AT&SF much more than 50 other lines or your subsidiaries rostered Santa Fe types; of these the B&O, Burlington, Erie, Lehigh Valley, Pennsylvania, southerly Pacific, Southern, and Union Pacific featured a fleet the neared or gone beyond 100 units.

Interestingly, however, in between the time the AT&SF took distribution of its an initial two great of 2-10-2s few were built for almost a decade as soon as a major construction eight on the locomotive occurred.

As mentioned above the B&O"s 2-10-2s were among the an ext successful, together the railroad was fairly pleased with their performance the spanned nearly four decades. Needing a more powerful locomotive to lug hefty freights over Sand Patch and also other stiff grades through the Alleghenies in 1914 the B&O took distribution of a solitary example, #6000 the was provided as class S.


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Union Pacific 2-10-2 to be photographed here at the railroad"s shops and terminal in council Bluffs, Iowa ~ above December 30, 1956. Boy name Corbin photo. Author"s collection.

The railroad went on come roster 31 systems in this class, #6000-6030, and then gained 125 extr examples provided as course S-1 and also S-1a numbered 6100-6224.

Despite the inherent worries with the Santa Fe type that drive away plenty of lines indigenous either operation them or owning an extremely many (notably high maintenance costs) the B&O discovered its "Big Sixes" ideal in drag company applications wherein they would normally not it is in operating above 30 mph.

Due to the imbalancing (which not only led to wear on the locomotive but likewise the track) that compelled the 2-10-2 to only be useful in low-speed, traction service and by the 1920s numerous railroads, which had actually purchased it, started to dislike the style in favor of the 2-8-2 Mikado.


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Colorado & southern (Burlington) 2-20-2 #909 awaits leave from fort Collins, Colorado throughout the at an early stage 1950"s. Author"s collection.

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Still, plenty of were developed (around 2,200) and the United claims Railroad Administration, during takeover the the nation’s railroads during people War I, used countless light and also heavy version of the Santa Fe Type. 

In any type of event, by the early on 1930s the last 2-10-2s were outshopped although some did survive in daily service until the early 1960s.  Today, about a half-dozen American-built 2-10-2s remain preserved although none room operational (there are additionally two Canadian nationwide units on display screen in the country). 

Also that note, while not technically Santa Fe varieties since castle did not originate from this country, two operating 2-10-2s of the QJ course from China  (for usage in tourist service) can be found in absent Island, Illinois owned by the Railroad advancement Corporation (Iowa Interstate).  Additionally, RJ Corman operates a QJ together well, #2008.  


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Electro-Motive Database

In 1998 a gentleman through the name of Andre Kristopans put together a net page highlighting practically every unit every out-shopped by general Motors" Electro-Motive Division. 

Alas, in 2013 the website closed.  However, Don Strack rescued the data and also transferred it over to his UtahRails.net site (another good resource). 

If you space researching anything EMD connected please visit this page first.  The information consists of original numbers, serials, and also order numbers.