Imperial Railways of North China/Peking-Mukden 2-6-4 Locomotives in China


Class Details by Steve Llanso of Sweat House Media

Class 54 (Locobase 12337)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 22, p.77. Works numbers were 16560-16563 in March 1899.

Principal Dimensions by Steve Llanso of Sweat House Media

Class54
Locobase ID12337
RailroadImperial Railways of North China/Peking-Mukden
CountryChina
Whyte2-6-4T
Number in Class4
Road Numbers54-57
GaugeStd
Number Built4
BuilderBurnham, Williams & Co
Year1899
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)10.50 / 3.20
Engine Wheelbase (ft / m)28 / 8.53
Ratio of driving wheelbase to overall engine wheelbase 0.38
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)29,120 / 13,209
Weight on Drivers (lbs / kg)53,760 / 24,385
Engine Weight (lbs / kg)91,420 / 41,467
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)91,420 / 41,467
Tender Water Capacity (gals / ML)1500 / 5.68
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)30 / 15
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)50 / 1270
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)14" x 22" / 356x559
Tractive Effort (lbs / kg)13,195 / 5985.16
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.07
Heating Ability
Tubes (number - dia) (in / mm)119 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10.50 / 3.20
Firebox Area (sq ft / m2)65.60 / 6.10
Grate Area (sq ft / m2)13.75 / 1.28
Evaporative Heating Surface (sq ft / m2)713 / 66.26
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)713 / 66.26
Evaporative Heating Surface/Cylinder Volume181.90
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2475
Same as above plus superheater percentage2475
Same as above but substitute firebox area for grate area11,808
Power L13984
Power MT490.13

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