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Kenya-Uganda Railway classes EC4 and EC5
Tanganjika Railways class GB and East African classes 54, 55 and 56
Kenya | 1944 | 24 produced
flickr/Historical Railway Images

For the requirements of the Second World War, the KUR had seven Garratts of the EC4 class built from 1944, which had a high power despite their light construction. In 1945, the KUR received two more or less identical EC5s, four of which went to the Tanganyika Railways and others to India and Burma. The KUR soon received the machines from Tanganyika and five from Burma. Six more, slightly revised locomotives were ordered in 1949. These entered service directly for the East African Railways and were designated the Class 56, while the EC4 and EC5 formed the Classes 54 and 55.

VariantEC4, EC556
General
Built1944-19451949
ManufacturerBeyer, Peacock & Co.
Axle config4-8-2+2-8-4T (Double Mountain (Garratt)) 
Gauge3 ft 3 3/8 in (Meter gauge)
Dimensions and Weights
Wheelbase77 ft 9 in79 ft 1 in
Service weight384,160 lbs328,830 lbs
Adhesive weight250,880 lbs197,120 lbs
Axle load31,360 lbs23,968 lbs
Water capacity7,206 us gal5,044 us gal
Fuel capacity2,852 lbs (oil)2,861 lbs (oil)
Power
Power sourcesteam
Estimated power1,700 hp (1,268 kW)1,625 hp (1,212 kW)
Optimal speed19 mph24 mph
Starting effort58,268 lbf43,520 lbf
Power Plant
Driver diameter45.5 in48 in
Boiler pressure180 psi200 psi
Expansion typesimple
Cylindersfour, 19 x 24 infour, 16 x 24 in
Boiler
Grate area51.3 sq ft48.8 sq ft
Firebox area212 sq ft164 sq ft
Tube heating area2,328 sq ft1,753 sq ft
Evaporative heating area2,540 sq ft1,917 sq ft
Superheater area470 sq ft370 sq ft
Total heating area3,010 sq ft2,287 sq ft
Calculated Values
steam locomotive
passenger
freight
Garratt
last changed: 03/2023
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