Detroit, Toledo & Ironton 2-8-0 "Consolidation" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 100 (Locobase 7864)

Data from DT&I 7-1955 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. See also William C Pletz, "The Railroad That Went No Place (but eventually made it)", Ann Arbor Train & Trolley Watchers, 1979 as hosted on the Michigan Railroads site at

Pletz's account goes into detail about the origins of the DT & I and is a worthy read. (The maps help). When the DT & I was formed out of several mostly bankrupt railroads, the it built new shops at Jackson, Michigan and laid 85 lb/yard (42.5 kg/metre) rail. It also went to Brooks for new power and took delivery of this set of 18 Consolidations.

NB: Superheater area is estimated based on similar installations for which the area is given.

Class 200 (Locobase 5433)

Data from table in January 1917 issue of RME.

A sturdy Consolidation with a relatively big grate for a bituminous coal burner and a sizable superheater fraction as well. The 200s exerted a high tractive effort for a 2-8-0, the steam for which was admitted through generously proportioned 14" piston valves.

The 200 was scrapped in October 1954.

Specifications by Steve Llanso of Sweat House Media
Locobase ID7864 5433
RailroadDetroit, Toledo & Ironton (DT&I)Detroit, Toledo & Ironton (DT&I)
Number in Class182
Road Numbers100-117200-201
Number Built182
Valve GearBakerBaker
Locomotive Length and Weight
Driver Wheelbase15.67'16.67'
Engine Wheelbase24.50'26.17'
Ratio of driving wheelbase to overall engine wheebase 0.64 0.64
Overall Wheelbase (engine & tender)62.17'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers204260 lbs220000 lbs
Engine Weight227560 lbs245000 lbs
Tender Light Weight179500 lbs
Total Engine and Tender Weight424500 lbs
Tender Water Capacity9500 gals
Tender Fuel Capacity (oil/coal)15 tons
Minimum weight of rail (calculated)85 lb/yard92 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter57"52"
Boiler Pressure200 psi200 psi
Cylinders (dia x stroke)22" x 30"25" x 30"
Tractive Effort43305 lbs61298 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.72 3.59
Heating Ability
Firebox Area192 sq. ft239 sq. ft
Grate Area49.50 sq. ft61.30 sq. ft
Evaporative Heating Surface2800 sq. ft3302 sq. ft
Superheating Surface570 sq. ft723 sq. ft
Combined Heating Surface3370 sq. ft4025 sq. ft
Evaporative Heating Surface/Cylinder Volume212.14193.73
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation990012260
Same as above plus superheater percentage1158314467
Same as above but substitute firebox area for grate area4492856404
Power L11279711191
Power MT552.48448.58


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