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KUR EC3 class

KUR 87 Karamoja at Nairobi Railway Museum, 2012
KUR 87 Karamoja at Nairobi Railway Museum, 2012
Type and origin
Power type Steam
Designer
Builder Beyer, Peacock & Co.
Serial number 6905–6910, 6970–6975
Build date 1939, 1940
Total produced 12
Specifications
Configuration 4-8-4+4-8-4 (Garratt)
UIC class (2′D2′)(2′D2′) h4
Gauge 1,000 mm (3 ft 3 38 in)
Driver dia. 54 in (1,372 mm)
Width 114 in (2,900 mm)
Height 149.5 in (3,800 mm)
Adhesive weight 97 long tons (99 t)
Loco weight 186.2 long tons (189.2 t)
Fuel type Coal
Fuel capacity 12 long tons (12 t)
Water cap 6,000 imp gal (27,000 l; 7,200 US gal)
Firebox:
 • Firegrate area
48.5 sq ft (4.51 m2)
Boiler pressure
  • 220 psi (1.52 MPa)
  • (225 psi (1.55 MPa))
Heating surface 2,561 sq ft (237.9 m2)
 • Tubes  
1,963 sq ft (182.4 m2)
 • Firebox 169 sq ft (15.7 m2)
Superheater:
 • Type Inside
 • Heating area 429 sq ft (39.9 m2)
Cylinders 4 (Garratt)
Cylinder size 16 in × 26 in (406 mm × 660 mm)
Valve gear Walschaerts
Valve type Trunk type
Valve travel 5 in (130 mm)
Loco brake Westinghouse type
Train brakes Westinghouse type
Safety systems 3 Ross muffled pop valves
Performance figures
Tractive effort 47,200 lbf (209.96 kN)
Career
Operators
Class
  • KUR: EC3 class
  • EAR: 57 class
Number in class 12
Numbers
  • KUR: 77–88
  • EAR: 5701–5712
First run 1939
Withdrawn 1967
Preserved KUR 87 (EAR 5711)
Disposition 10 scrapped, one preserved
Type and origin
Power type Steam
Designer
Builder Beyer, Peacock & Co.
Serial number 6905–6910, 6970–6975
Build date 1939, 1940
Total produced 12
Specifications
Configuration 4-8-4+4-8-4 (Garratt)
UIC class (2′D2′)(2′D2′) h4
Gauge 1,000 mm (3 ft 3 38 in)
Driver dia. 54 in (1,372 mm)
Width 114 in (2,900 mm)
Height 149.5 in (3,800 mm)
Adhesive weight 97 long tons (99 t)
Loco weight 186.2 long tons (189.2 t)
Fuel type Coal
Fuel capacity 12 long tons (12 t)
Water cap 6,000 imp gal (27,000 l; 7,200 US gal)
Firebox:
 • Firegrate area
48.5 sq ft (4.51 m2)
Boiler pressure
  • 220 psi (1.52 MPa)
  • (225 psi (1.55 MPa))
Heating surface 2,561 sq ft (237.9 m2)
 • Tubes  
1,963 sq ft (182.4 m2)
 • Firebox 169 sq ft (15.7 m2)
Superheater:
 • Type Inside
 • Heating area 429 sq ft (39.9 m2)
Cylinders 4 (Garratt)
Cylinder size 16 in × 26 in (406 mm × 660 mm)
Valve gear Walschaerts
Valve type Trunk type
Valve travel 5 in (130 mm)
Loco brake Westinghouse type
Train brakes Westinghouse type
Safety systems 3 Ross muffled pop valves
Performance figures
Tractive effort 47,200 lbf (209.96 kN)
Career
Operators
Class
  • KUR: EC3 class
  • EAR: 57 class
Number in class 12
Numbers
  • KUR: 77–88
  • EAR: 5701–5712
First run 1939
Withdrawn 1967
Preserved KUR 87 (EAR 5711)
Disposition 10 scrapped, one preserved

The KUR EC3 class, later known as the EAR 57 class, was a class of 1,000 mm (3 ft 3 38 in) gauge 4-8-4+4-8-4 Garratt-type articulated steam locomotives. The twelve members of the class were built by Beyer, Peacock & Co. in Manchester, England, for the Kenya-Uganda Railway (KUR). They entered service between 1939 and 1941, and were later operated by the KUR's successor, the East African Railways (EAR).

The numbers, build dates and names of each member of the class were as follows:


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