Detroit, Toledo & Ironton 2-10-0 "Decapod" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 300 (Locobase 4401)

Ilustrations in Linn Wescott (Model Railroader Cyclopedia - Vol 1, 1960) and see Drury (1993), 176. See the quite detailed overview published by designer Alphonse I Lipetz, "Russian 'Decapod' Locomotives", The Railway Engineer, Volume 43, No 2 (February 1922), pp. 51-54; April 1922, pp. 136-137; July 1922, pp. 249-251; and November 1922, pp. 415-417.

857 2-10-0s were built by Baldwin and Alco (Richmond and Schenectady Works) for the Russian Government (see Locobase 381 for a full description).

When that empire was overthrown, some 200 more of the Russian order was diverted to railroads in the US, including the DT&I. Drury (1993) speculates that the railroad picked them "most likely because they were light, easy on the track, and cheap." Once the Pennsy took over, however, the Decks were soon gone, five sold to the Minneapolis, Northfield & Southern as their 501-505 and ten to the Seaboard.

Specifications by Steve Llanso of Sweat House Media
Class300
Locobase ID4401
RailroadDetroit, Toledo & Ironton (DT&I)
CountryUSA
Whyte2-10-0
Number in Class15
Road Numbers300-314
GaugeStd
Number Built15
Builderseveral
Year1918
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)18.33 / 5.59
Engine Wheelbase (ft / m)27.54 / 8.39
Ratio of driving wheelbase to overall engine wheebase 0.67
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)35,000 / 15,876
Weight on Drivers (lbs / kg)175,000 / 79,379
Engine Weight (lbs / kg)197,900 / 89,766
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)7400 / 28.03
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT) 8.80 / 8
Minimum weight of rail (calculated) (lb/yd / kg/m)58 / 29
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)52 / 1321
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)25" x 28" / 635x711
Tractive Effort (lbs / kg)51,490 / 23355.50
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.40
Heating Ability
Firebox Area (sq ft / m2)227 / 21.10
Grate Area (sq ft / m2)64.70 / 6.01
Evaporative Heating Surface (sq ft / m2)2610 / 242.57
Superheating Surface (sq ft / m2)579 / 53.81
Combined Heating Surface (sq ft / m2)3189 / 296.38
Evaporative Heating Surface/Cylinder Volume164.07
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation11,646
Same as above plus superheater percentage13,742
Same as above but substitute firebox area for grate area48,215
Power L18783
Power MT553.23

Reference