Toledo Terminal 2-8-0 "Consolidation" Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class 31 (Locobase 5432)

Data from table in May 1916 issue of RME. See also [] (last accessed 31 December 2010). Works numbers were 54391-54392 in October 1913; 55200 in March 1915; 55226 in August; 55627 in December; 56477-56478 in March 1918.

The Toledo Terminal was a belt line and these were relatively small Consolidations suitable for transfer service. Although produced over five years, the class's homogeneity extended into every dimension except for the tender capacity, which changed from 6,000 gallons and 15 tons to 7,500 gallons and 12 tons. (Locobase observes that the swapping of coal for water would have extended the locomotive's time in actual duty between replenishments. Was this change induced by higher water consumption than expected or better coal consumption?)

Locobase has a hunch that one of this class wound up on the Nacional de Mexico as the lone member of clase GR-38 with road number 1448.

Principal Dimensions by Steve Llanso of Sweat House Media
Locobase ID5432
RailroadToledo Terminal
Number in Class7
Road Numbers31-35, 41-42
Number Built7
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)14.25 / 4.34
Engine Wheelbase (ft / m)23.33 / 7.11
Ratio of driving wheelbase to overall engine wheebase 0.61
Overall Wheelbase (engine & tender) (ft / m)57.62 / 17.56
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)176,000 / 79,832
Engine Weight (lbs / kg)198,000 / 89,811
Tender Loaded Weight (lbs / kg)132,000 / 60,827
Total Engine and Tender Weight (lbs / kg)330,000 / 150,638
Tender Water Capacity (gals / ML)6000 / 22.73
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)15 / 13.60
Minimum weight of rail (calculated) (lb/yd / kg/m)73 / 36.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)51 / 1295
Boiler Pressure (psi / kPa)175 / 12.10
High Pressure Cylinders (dia x stroke) (in / mm)22" x 28" / 559x711
Tractive Effort (lbs / kg)39,527 / 17929.17
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.45
Heating Ability
Firebox Area (sq ft / m2)209 / 19.42
Grate Area (sq ft / m2)54.50 / 5.07
Evaporative Heating Surface (sq ft / m2)2425 / 225.37
Superheating Surface (sq ft / m2)499 / 46.38
Combined Heating Surface (sq ft / m2)2924 / 271.75
Evaporative Heating Surface/Cylinder Volume196.85
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation9538
Same as above plus superheater percentage11,159
Same as above but substitute firebox area for grate area42,793
Power L19613
Power MT481.66

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