Cambria & Indiana 2-8-2 "Mikado" Locomotives in the USA

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The Cambria & Indiana Railroad bought its first "Mikado" type locomotive in 1911 from the Baldwin Locomotive works. That year Baldwin delivered one 2-8-2 locomotive which was given road number 4 Number 4 had 58" diameter drivers, 23" x 30" cylinders, a 200 psi boiler pressure, it exerted 46,516 pounds of tractive effort and it weighed 262,500 pounds. The evaporative heating surface was 5,528 square feet and there was no superheater.

Baldwin delivered two more of these locomotives, one in 1913 which was given road number 5 and the other arrived in 1915 with road number 6 assigned.

The next purchase of "Mikados" was made form the Lima Locomotive Works. Lima delivered three in 1917. They were assigned road numbers 7 through 9. These locomotives had 51" diameter drivers, 22" x 28" cylinders, a 190 psi boiler pressure, they exerted 42,915 pounds of tractive effort and each weighed 250,000 pounds. The firebox was 238 square feet, the evaporative heating surface was 3,601 square feet and with the superheater the combined heating surface was 4,466 square feet.

In 1918, Baldwin delivered the last two new "Mikados" the C&I would buy. These locomotives were given road numbers 10 and 11.

There were six other "Mikados" put on the C&I roster. They were bought second-hand from the P&LE and the PRR. Two from the P&LE came in 1939 and were given road numbers 20 and 21. In 1941 two from the PRR were assigned road numbers 22 and 23. The final pair were bought form the PL&E and were assigned road numbers 24 and 25.

There are no surviving C&I 2-8-2 "Mikado" type locomotives.


Roster by Richard Duley

Qty.Road NumbersFrom Other RRYear AcquiredYear BuiltBuilderNotes
141911Baldwin1
151913Baldwin2
161915Baldwin3
37-91917Lima4
210-111918Baldwin5
220-21P&LE19391920ALCO6
122PRR19411915PRR7
123PRR19411916Baldwin8
224-25P&LE19441916ALCO9
Notes:
  1. Number 4 sold to the Clinchfield Railroad in 1917 and became Clinchfield number 499.
  2. Number 5 sold to the Lake Superior & Ishpeming in 1930.
  3. Number 6 sold to the Lake Superior & Ishpeming in 1930.
  4. Number 7 sold to the Sydney & Louisburg in 1930 and became S&L number 72 then scrapped in 1957. Number 8 sold to General Logging Company in 1930. Number 9 sold to General Railway Equipment in 1930.
  5. Numbers 10-11 sold to the Sydney & Louisburg in 1941 and became S&L numbers 77 and 78 then number 78 scrapped in 1956 and number 77 scrapped in 1960.
  6. Numbers 20 & 21 bought from the P&LE in 1939. Ex P&LE numbers 9523 & 9524. Sold to Bethlehem Steel in 1951-1952.
  7. Number 22 bought from the PRR in 1941. Ex PRR number 734. Scrapped in 1948.
  8. Number 23 bought from the PRR in 1941. Ex PRR number 1388. Scrapped in 1950.
  9. Numbers 24 & 25 bought from the P&LE in 1944. Ex P&LE numbers 9503 & 9504. Sold to Bethlehem Steel in 1951-1952.

Class Details by Steve Llanso of Sweat House Media

Class 4/ K-2 (Locobase 6797)

Data from CLINCH 1943ca Locomotive Diagrams book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. Works number was 37175 in November 1911.

This Mikado was delivered to the C & I, which was based in Rexis, Penna. The C & I grew from the Blacklick & Yellow Creek Railroad, common-carrier outgrowth of the Vinton Lumber Company's lumber road. The C & I was incorporated in 1911. Because much of the ownership resided in one person, the C & I didn't pass out of family hands until 1950 when Bethlehem Steel bought it.

An unusual slide-valve 2-8-2 this Mike went to the Clinchfield as their 498. Working in local freight and even switching service, this one-of-a-kind survived until 1951.


Class 5 (Locobase 13733)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 45, p. 225. Works number was 40917 in November 1913.

This heavy-duty coal hauler didn't need to bother with superheat, at least not when it was ordered. Its driver diameter and boiler size shows a desire for continuous steaming and its tender suggests short trips.

The Rexis, Pa C & I sold the 5 in 1930 to the Lake Superior & Ishpeming as their MK-1 class #16. The LS & I operated the 16 until 1955.


Class 6 (Locobase 13732)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 51, p. 340. . Works number was 41903 in February 1915.

Ordered about a year after the 5 (Locobase 13731), the 6's boiler had 5 fewer tubes than than the earlier engine. It was otherwise identical. Both the 5 and the 6 were sold in 1930 to the Lake Superior & Ishpeming as their MK-1 class. The LS & I operated the 17 until 1955.


Class 7 (Locobase 6456)

Data from the Lima builder's card housed at http://www.trainweb.org/cambriaindiana/steam_era_photos.htm (visited 20 Jan 2005). See also DeGolyer, Vol 59, pp. 379+. 10-11 were built by Baldwin (works numbers were 49239 and 49307 in July 1918.

These Mikados were certainly designed for the C & I's coal drags up and down steep gradients in western Pennsylvania. Their low drivers indicate as much, as does the location of the steam dome well back along the boiler between two sand domes. Firebox heating surface area includes 25 sq ft (2.3 sq m) on four arch tubes. The Baldwins had minor differences in heating surface areas. Relatively small twelve-inch (305 mm) piston valves fed the cylinders.

The low drivers might have proved too small; indeed, no other standard-gauge Mike with a boiler this big had drivers of less than 63" in diameter.

Not two decades later, all three Limas were sold off the property in 1930. 7 went to the S&L, 8 to General Logging Company and 9 to General Railway Equipment. The Baldwins were both sold north across the international border in 1941 to Nova Scotia's Sydney & Louisburg as their 77-78. 10 later served Dominion Coal while 11 was retired by the S&L in 1957.

Specifications by Steve Llanso of Sweat House Media
Class4/ K-2567
Locobase ID6797 13,733 13,732 6456
RailroadCambria & IndianaCambria & IndianaCambria & IndianaCambria & Indiana
CountryUSAUSAUSAUSA
Whyte2-8-22-8-22-8-22-8-2
Number in Class1115
Road Numbers4/ 498567-11
GaugeStdStdStdStd
Number Built1115
BuilderBaldwinBaldwinBaldwinseveral
Year1911191319151917
Valve GearBakerWalschaertWalschaertWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)16.50 / 5.0314 / 4.2714 / 4.2714 / 4.27
Engine Wheelbase (ft / m)36.02 / 10.9831.17 / 9.5031.25 / 9.5231.25 / 9.52
Ratio of driving wheelbase to overall engine wheebase 0.46 0.45 0.45 0.45
Overall Wheelbase (engine & tender) (ft / m)69.12 / 21.0761.67 / 18.8062.29 / 18.9961 / 18.59
Axle Loading (Maximum Weight per Axle) (lbs / kg)49,840 / 22,607
Weight on Drivers (lbs / kg)197,500 / 89,585173,000 / 78,472173,000 / 78,472185,000 / 83,915
Engine Weight (lbs / kg)262,500 / 119,068226,000 / 102,512226,000 / 102,512250,000 / 113,398
Tender Loaded Weight (lbs / kg)144,000 / 65,317130,000 / 58,967130,000 / 58,967104,600 / 47,446
Total Engine and Tender Weight (lbs / kg)406,500 / 184,385356,000 / 161,479356,000 / 161,479354,600 / 160,844
Tender Water Capacity (gals / ML)8000 / 30.307000 / 26.527000 / 26.527000 / 26.52
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)14 / 12.7012 / 10.9012 / 10.9014 / 12.70
Minimum weight of rail (calculated) (lb/yd / kg/m)82 / 4172 / 3672 / 3677 / 38.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)58 / 147351 / 129551 / 129551 / 1295
Boiler Pressure (psi / kPa)200 / 13.80190 / 13.10190 / 13.10190 / 13.10
High Pressure Cylinders (dia x stroke) (in / mm)23" x 30" / 584x76222" x 28" / 559x71122" x 28" / 559x71122" x 28" / 559x711
Tractive Effort (lbs / kg)46,516 / 21099.3342,915 / 19465.9442,915 / 19465.9442,915 / 19465.94
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.25 4.03 4.03 4.31
Heating Ability
Firebox Area (sq ft / m2)236 / 21.92199 / 18.49199 / 18.49238 / 22.11
Grate Area (sq ft / m2)70 / 6.5063 / 5.8563 / 5.8563 / 5.85
Evaporative Heating Surface (sq ft / m2)5528 / 513.564567 / 424.284518 / 419.733601 / 334.54
Superheating Surface (sq ft / m2)865 / 80.36
Combined Heating Surface (sq ft / m2)5528 / 513.564567 / 424.284518 / 419.734466 / 414.90
Evaporative Heating Surface/Cylinder Volume383.19370.72366.75292.31
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation14,00011,97011,97011,970
Same as above plus superheater percentage14,00011,97011,97014,244
Same as above but substitute firebox area for grate area47,20037,81037,81053,812
Power L189907292722716,487
Power MT401.41371.70368.39785.89

Photos