Illinois Terminal 4-4-0 "American" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 6 (Locobase 12382)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 22, p. 147. Works number was 17340 in January 1900.

The IT consisted of the 1895 amalgamation of an earlier Illinois Terminal ownership and the Mississippi Valley Terminal Company. The company operated 18.5 miles of terminal trackage in the Alton, Ill area and would later expand to about 35 miles.. The IT owned 9.95 miles, leased 6.8 miles from the Wabash, and enjoyed trackage rights on 2 more track miles.


Class 9 (Locobase 13154)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 30, p. 257. Works number was 31229 in July 1907.

The 9 would be sold in March 1925 to the Alton & Eastern as their #1, but returned in 1930 to the IT.

Specifications by Steve Llanso of Sweat House Media
Class69
Locobase ID12,382 13,154
RailroadIllinois TerminalIllinois Terminal
CountryUSAUSA
Whyte4-4-04-4-0
Number in Class11
Road Numbers69
GaugeStdStd
Number Built11
BuilderBurnham, Williams & CoBurnham, Williams & Co
Year19001907
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 8.75 / 2.67 8.75 / 2.67
Engine Wheelbase (ft / m)22.75 / 6.9322.75 / 6.93
Ratio of driving wheelbase to overall engine wheebase 0.38 0.38
Overall Wheelbase (engine & tender) (ft / m)46.42 / 14.15
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)65,000 / 29,48468,000 / 30,844
Engine Weight (lbs / kg)100,000 / 45,359106,000 / 48,081
Tender Loaded Weight (lbs / kg)75,000 / 34,019100,000 / 45,359
Total Engine and Tender Weight (lbs / kg)175,000 / 79,378206,000 / 93,440
Tender Water Capacity (gals / ML)3000 / 11.365000 / 18.94
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)54 / 2757 / 28.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56 / 142262 / 1575
Boiler Pressure (psi / kPa)160 / 11180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)17" x 24" / 432x61018" x 24" / 457x610
Tractive Effort (lbs / kg)16,845 / 7640.7719,189 / 8703.99
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.86 3.54
Heating Ability
Firebox Area (sq ft / m2)144.50 / 13.43144 / 13.38
Grate Area (sq ft / m2)17.60 / 1.6417.50 / 1.63
Evaporative Heating Surface (sq ft / m2)1623 / 150.841598 / 148.51
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1623 / 150.841598 / 148.51
Evaporative Heating Surface/Cylinder Volume257.41226.07
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation28163150
Same as above plus superheater percentage28163150
Same as above but substitute firebox area for grate area23,12025,920
Power L155556099
Power MT376.82395.47