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The reference for locomotives and railcars

Egyptian National Railways class 30

Egypt 1907 20 produced
Henschel

In 1907, Henschel delivered 20 0-6-0 freight locomotives to the Egyptian State Railway which were numbered 459 to 478. They were the heaviest locomotives of this wheel arrangement in Egypt. After 50 years, they were the first inside frame locomotives in this country. The cylinders were mounted on the inside of the frames and were controlled by inside Walschaerts valve gear. The boiler was pitched high with a large gap underneath and had a large Belpaire firebox. In heavy freight service, their coal consumption was 62 to 66 pounds per mile. Number 464 that was identified as the class member with the highest consumption, later received a smokebox superheater that led to a consumption that was roughly 15 percent lower than the class average.

Technical data

General

Built
1907
Manufacturers
Henschel
Wheel arrangement
0-6-0 (Six-coupled)
Gauge
1,435 mm (Standard gauge)

Dimensions and weights

Wheelbase
5.26 m
Service mass
55.4 t
Total mass
99.8 t
Rigid wheelbase
5.26 m
Water capacity
18,185 l

Boiler

Grate area
2.295 m²
Firebox surface
15.004 m²
Tube heating surface
167.969 m²
Evaporative heating surface
182.973 m²
Total heating surface
183.0 m²

Power plant

Driver diameter
1,524 mm
Boiler pressure
12.4 bar
Expansion type
simple expansion
Cylinders
two, 483 x 660 mm

Power

Power source
steam
Estimated power
671 kW (912 PS)
Starting effort
106.5 kN

Calculated values

Optimal speed
39 km/h
Power-to-weight ratio
12.1 kW/t
Heating Surface Equivalent
258.0 m²
Cylinder volume/HSE
1 : 936.47
Tractive force/Heating surface
1 : 12.15
Grate area/Heating surface
1 : 79.73
Firebox/Tube surface
1 : 11.19
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