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Hungarian State Railways series 424
Hungary | 1924
The winner of the 1952 "Locomotive Cleanliness Competition".
The winner of the 1952 "Locomotive Cleanliness Competition".
FORTEPAN / Erky-Nagy Tibor
General
Built1924-1958
ManufacturerMÁVAG
Axle config4-8-0 (Twelve-wheeler) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase31 ft 2 in
Fixed wheelbase11 ft 9 3/4 in
Total wheelbase56 ft 10 11/16 in
Empty weight161,246 lbs
Service weight181,374 lbs
Adhesive weight124,561 lbs
Total weight308,360 lbs
Axle load31,306 lbs
Water capacity6,499 us gal
Fuel capacity19,842 lbs (coal)
Power
Power sourcesteam
Indicated power1,676 hp (1,250 kW)
Optimal speed27 mph
Top speed56 mph
Starting effort39,588 lbf
Power Plant
Driver diameter63.2 in
Boiler pressure203 psi
Expansion typesimple
Cylinderstwo, 23 5/8 x 26 in
Boiler
Grate area48.2 sq ft
Firebox area186.2 sq ft
Tube heating area2,143.1 sq ft
Evaporative heating area2,329.3 sq ft
Superheater area599.5 sq ft
Total heating area2,928.9 sq ft
Calculated Values
steam locomotive
freight
passenger
last changed: 08 2023
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