Chicago & Eastern Illinois 2-10-2 "Santa Fe" Locomotives in the USA

The Chicago & Eastern Illinois Railroad bought seven "Santa Fe" type locomotives from the Baldwin Locomotive Works in 1918. These 2-10-2s were designated as Class O-1 and were given road numbers 2000 through 2006. They had 63" diameter drivers, 30" x 32" cylinders, a 200 psi boiler pressure, exerted 77,714 pounds of tractive effort and each weighed 377,300 pounds. The combined heating surface was 6,616 square feet and the piston valves were 15" in diameter.

These locomotives had a very low factor of adhesion, which is calculated by dividing the weight on the drivers by the tractive effort. With a low factor of adhesion locomotives have a tendency to slip on starting. It was probably this and the relatively slow speed that caused C&EI to sell all seven of them.

There are no surviving C&EI 2-10-2 "Santa Fe" type locomotives.


ClassQty.Road NumbersFrom Other RRYear AcquiredYear BuiltBuilderNotes
O-1 72000-20061918BaldwinNumbers 2000-2003 and 2005 were sold to the C&O in 1945 and became C&O numbers 2000-2003 and 2005. They were scrapped in 1951. Numbers 2004 and 2006 was sold to the Central of Georgia in 1945 and became Central of Georgia numbers 711-712. They were scrapped by1950.
O-2 24000-4001Wabash19421917ALCOBought from the Wabash in 1942. Ex Wabash numbers 2513(C&EI #4000) and 2509 (C&EI #4001). Numbers 4000 and 4001 Sold to the C&O in 1945 and became C&O numbers 4000 and 4001. These two locomotives were scrapped in 1949.
O-2 52007-20111919ALCOUSRA allocated .Santa Fe-Heavy. locomotives. They were refused and the USRA transferred them to the PRR.

Class Details by Steve Llanso of Sweat House Media

Class O-1 (Locobase 1418)

Data from C&EI 5 -1949 locomotive diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. See also DeGolyer, Volume 55, pp. 444+. (Thanks to Chris Hohl for his 26 November 2015 email giving the "as built" tender capacities and weight and for comments on engine weights that led to revisions in the next paragraph.) Works numbers were 47949 in February 1919, 48140-48141 in March; 48284-48287 in April. (Five more originally intended for the C&EI never ran on that road and were transferred to the Pennsylvania Railroad in 1919.)

The specs predicted an adhesion weight of 300,000 lb (136,078 kg) and 377,300 lb (171,141 kg) in engine weight and the boiler pressure was to be set at 185 psi. The combination would generate a 4.18 factor of adhesion. The diagrams all show, however, that the engines weighed about five tons less and the boilers were pressed to 200 psi. This was still manageable for a freight locomotive.

Piston valves measured 13" (331 mm) in diameter. Firebox heating surface area included 73 sq ft (6.78 sq m) from the combustion chamber and 38 sq ft (3.53 sq m) in the arch tubes.

Later in their careers, the C&EI reduced its small tube count by 21. This deletion lowered the tube & flue heating surface area to 4,576 sq ft (425.1 sq m). A larger tender weighed 305,000 lb (138,346 kg) loaded and carried 16,000 US gallons of water (60,560 litres) and 20 tons (18,144 kg) of coal.

The Central of Georgia bought the 2002 and 2006 on 16 January 1942 and renumbered them 711-712. Five became Chesapeake & Ohio B-2s (2000-2001, 2003-2005) when they were sold off in 1945, near the end of World War II.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID1418
RailroadChicago & Eastern Illinois (C&EI)
Number in Class7
Road Numbers2000-2006
Number Built7
Valve GearBaker
Locomotive Length and Weight
Driver Wheelbase (ft / m)22.50 / 6.86
Engine Wheelbase (ft / m)55.66 / 16.97
Ratio of driving wheelbase to overall engine wheelbase 0.40
Overall Wheelbase (engine & tender) (ft / m)103.25 / 31.47
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)290,800 / 131,905
Engine Weight (lbs / kg)377,300 / 171,141
Tender Loaded Weight (lbs / kg)180,000 / 81,647
Total Engine and Tender Weight (lbs / kg)557,300 / 252,788
Tender Water Capacity (gals / ML)10,000 / 37.88
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)16 / 15
Minimum weight of rail (calculated) (lb/yd / kg/m)97 / 48.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)63 / 1600
Boiler Pressure (psi / kPa)200 / 13.80
High Pressure Cylinders (dia x stroke) (in / mm)30" x 32" / 762x813
Tractive Effort (lbs / kg)77,714 / 35250.52
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.74
Heating Ability
Tubes (number - dia) (in / mm)243 - 2.25" / 57
Flues (number - dia) (in / mm)48 - 5.5" / 140
Flue/Tube length (ft / m)23 / 7.01
Firebox Area (sq ft / m2)372 / 34.56
Grate Area (sq ft / m2)88.50 / 8.22
Evaporative Heating Surface (sq ft / m2)5236 / 486.44
Superheating Surface (sq ft / m2)1380 / 128.21
Combined Heating Surface (sq ft / m2)6616 / 614.65
Evaporative Heating Surface/Cylinder Volume200
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation17,700
Same as above plus superheater percentage21,417
Same as above but substitute firebox area for grate area90,024
Power L115,655
Power MT593.42

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