Unspecified 0-6-0 Locomotives in Hungary

Class Details by Steve Llanso of Sweat House Media

Class Ferrum (Locobase 4780)

One of a series of Polish industrial locomotives built after World War II. Rated at 400 hp, it reached 40 kmh (25 mph).

Data from Phillipe Quiot on the website [] and [] (last accessed 7 December 2006).

These are part of the export production of this class. According to Quiot, these engines operated into the 1980s.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID4780
Number in Class3
Road Numbers
Number Built3
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)11.15 / 3.40
Engine Wheelbase (ft / m)11.15 / 3.40
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)33,152 / 15,038
Weight on Drivers (lbs / kg)99,456 / 45,100
Engine Weight (lbs / kg)99,456 / 45,100
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)99,456 / 45,100
Tender Water Capacity (gals / ML)1320 / 5
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 2.80 / 3
Minimum weight of rail (calculated) (lb/yd / kg/m)55 / 27.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)45.30 / 1150
Boiler Pressure (psi / kPa)188.50 / 13
High Pressure Cylinders (dia x stroke) (in / mm)18.11" x 21.26" / 460x540
Tractive Effort (lbs / kg)24,662 / 11186.51
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.03
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)
Firebox Area (sq ft / m2)
Grate Area (sq ft / m2)18.29 / 1.70
Evaporative Heating Surface (sq ft / m2)1076 / 100
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1076 / 100
Evaporative Heating Surface/Cylinder Volume169.76
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3448
Same as above plus superheater percentage3448
Same as above but substitute firebox area for grate area
Power L1
Power MT

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