South African Class GE 2-8-2+2-8-2

Specifications
Specifications
Configuration:;
• Whyte	2-8-2+2-8-2 (Double Mikado)
• UIC	1'D1'+1'D1'h4
Driver	3rd & 5th coupled axles
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	28+1⁄2 in (724 mm)
Coupled dia.	45+1⁄2 in (1,156 mm) as built; 46 in (1,168 mm) retyred
Trailing dia.	28+1⁄2 in (724 mm)
Wheelbase	70 ft (21,336 mm)
• Engine	♠ 22 ft 10+1⁄2 in (6,972 mm) each; ♥ 22 ft 11 in (6,985 mm) each
• Coupled	12 ft 9 in (3,886 mm) each
Pivot centres	35 ft (10,668 mm)
Length:;
• Over couplers	♠ 76 ft 8+3⁄4 in (23,387 mm); ♥ 76 ft 8+1⁄4 in (23,374 mm)
Height	12 ft 11+11⁄16 in (3,954 mm)
Frame type	Plate
Axle load	♠ 13 LT 9 cwt (13,670 kg); ♥ 13 LT 3 cwt (13,360 kg)
• Leading	♠ 11 LT 4 cwt (11,380 kg) front; 11 LT (11,180 kg) rear; ♥ 11 LT 2 cwt (11,280 kg) front; 11 LT 10 cwt (11,680 kg) rear
• 1st coupled	♠ 12 LT 6 cwt (12,500 kg); ♥ 12 LT 3 cwt (12,340 kg)
• 2nd coupled	♠ 13 LT 1 cwt (13,260 kg); ♥ 13 LT 3 cwt (13,360 kg)
• 3rd coupled	♠ 12 LT 19 cwt (13,160 kg); ♥ 13 LT 1 cwt (13,260 kg)
• 4th coupled	♠ 12 LT 19 cwt (13,160 kg); ♥ 13 LT 1 cwt (13,260 kg)
• 5th coupled	♠ 13 LT 7 cwt (13,560 kg); ♥ 12 LT 18 cwt (13,110 kg)
• 6th coupled	♠ 13 LT 7 cwt (13,560 kg); ♥ 12 LT 18 cwt (13,110 kg)
• 7th coupled	♠ 13 LT 9 cwt (13,670 kg); ♥ 13 LT (13,210 kg)
• 8th coupled	♠ 12 LT 2 cwt (12,290 kg); ♥ 12 LT 11 cwt (12,750 kg)
• Trailing	♠ 11 LT 3 cwt (11,330 kg) front; 11 LT 11 cwt (11,740 kg) rear; ♥ 11 LT 7 cwt (11,530 kg) front; 11 LT 4 cwt (11,380 kg) rear
Adhesive weight	♠ 103 LT 10 cwt (105,200 kg); ♥ 102 LT 15 cwt (104,400 kg)
Loco weight	♠ 148 LT 8 cwt (150,800 kg); ♥ 147 LT 18 cwt (150,300 kg)
Fuel type	Coal
Fuel capacity	9 LT (9.1 t)
Water cap.	3,300 imp gal (15,000 L) front; 1,300 imp gal (5,910 L) rear
Firebox:
• Type	Belpaire
• Grate area	52 sq ft (4.8 m2)
Boiler:;
• Pitch	7 ft 9+1⁄4 in (2,369 mm)
• Diameter	6 ft 9 in (2,057 mm)
• Tube plates	11 ft 3 in (3,429 mm)
• Small tubes	288: 2 in (51 mm)
• Large tubes	36: 5+1⁄2 in (140 mm)
Boiler pressure	180 psi (1,241 kPa)
Safety valve	Ramsbottom
Heating surface:
• Firebox	♣ 215 sq ft (20.0 m2); ♦♥ 202 sq ft (18.8 m2)
• Tubes	2,374 sq ft (220.552 m2)
• Arch tubes	♥ 27 sq ft (2.5 m2)
• Total surface	♣ 2,589 sq ft (240.5 m2); ♦ 2,576 sq ft (239.3 m2); ♥ 2,603 sq ft (241.8 m2)
Superheater:;
• Heating area	♣ 362 sq ft (33.6 m2); ♦ 349 sq ft (32.4 m2); ♥ 364 sq ft (33.8 m2)
Cylinders	4
Cylinder size	♠ 18 in (457 mm) bore; ♥ 19 in (483 mm) bore; ♠♥ 24 in (610 mm) stroke
Valve gear	Walschaerts
Valve type	Piston
Couplers	Johnston link-and-pin; AAR knuckle (1930s)

Type and origin
Type and origin
	♠ Engine numbers 2260-2275; ♥ Engine numbers 2276 & 2277; ♣ Engine numbers 2260-2265; ♦ Engine numbers 2266-2275
Power type	Steam
Designer	Beyer, Peacock & Company
Builder	Beyer, Peacock & Company
Serial number	6193–6198, 6339–6348, 6716–6717
Model	Class GE
Build date	1924–1930
Total produced	18

South African Class GE 2-8-2+2-8-2
South African Class GE 2-8-2+2-8-2
	First batch Class GE no. 2264, c. 1924
Power type
Type and origin
	♠ Engine numbers 2260-2275; ♥ Engine numbers 2276 & 2277; ♣ Engine numbers 2260-2265; ♦ Engine numbers 2266-2275
Power type	Steam
Designer	Beyer, Peacock & Company
Builder	Beyer, Peacock & Company
Serial number	6193–6198, 6339–6348, 6716–6717
Model	Class GE
Build date	1924–1930
Total produced	18
Configuration:;
Specifications
Configuration:;
• Whyte	2-8-2+2-8-2 (Double Mikado)
• UIC	1'D1'+1'D1'h4
Driver	3rd & 5th coupled axles
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	28+1⁄2 in (724 mm)
Coupled dia.	45+1⁄2 in (1,156 mm) as built; 46 in (1,168 mm) retyred
Trailing dia.	28+1⁄2 in (724 mm)
Wheelbase	70 ft (21,336 mm)
• Engine	♠ 22 ft 10+1⁄2 in (6,972 mm) each; ♥ 22 ft 11 in (6,985 mm) each
• Coupled	12 ft 9 in (3,886 mm) each
Pivot centres	35 ft (10,668 mm)
Length:;
• Over couplers	♠ 76 ft 8+3⁄4 in (23,387 mm); ♥ 76 ft 8+1⁄4 in (23,374 mm)
Height	12 ft 11+11⁄16 in (3,954 mm)
Frame type	Plate
Axle load	♠ 13 LT 9 cwt (13,670 kg); ♥ 13 LT 3 cwt (13,360 kg)
• Leading	♠ 11 LT 4 cwt (11,380 kg) front; 11 LT (11,180 kg) rear; ♥ 11 LT 2 cwt (11,280 kg) front; 11 LT 10 cwt (11,680 kg) rear
• 1st coupled	♠ 12 LT 6 cwt (12,500 kg); ♥ 12 LT 3 cwt (12,340 kg)
• 2nd coupled	♠ 13 LT 1 cwt (13,260 kg); ♥ 13 LT 3 cwt (13,360 kg)
• 3rd coupled	♠ 12 LT 19 cwt (13,160 kg); ♥ 13 LT 1 cwt (13,260 kg)
• 4th coupled	♠ 12 LT 19 cwt (13,160 kg); ♥ 13 LT 1 cwt (13,260 kg)
• 5th coupled	♠ 13 LT 7 cwt (13,560 kg); ♥ 12 LT 18 cwt (13,110 kg)
• 6th coupled	♠ 13 LT 7 cwt (13,560 kg); ♥ 12 LT 18 cwt (13,110 kg)
• 7th coupled	♠ 13 LT 9 cwt (13,670 kg); ♥ 13 LT (13,210 kg)
• 8th coupled	♠ 12 LT 2 cwt (12,290 kg); ♥ 12 LT 11 cwt (12,750 kg)
• Trailing	♠ 11 LT 3 cwt (11,330 kg) front; 11 LT 11 cwt (11,740 kg) rear; ♥ 11 LT 7 cwt (11,530 kg) front; 11 LT 4 cwt (11,380 kg) rear
Adhesive weight	♠ 103 LT 10 cwt (105,200 kg); ♥ 102 LT 15 cwt (104,400 kg)
Loco weight	♠ 148 LT 8 cwt (150,800 kg); ♥ 147 LT 18 cwt (150,300 kg)
Fuel type	Coal
Fuel capacity	9 LT (9.1 t)
Water cap.	3,300 imp gal (15,000 L) front; 1,300 imp gal (5,910 L) rear
Firebox:
• Type	Belpaire
• Grate area	52 sq ft (4.8 m2)
Boiler:;
• Pitch	7 ft 9+1⁄4 in (2,369 mm)
• Diameter	6 ft 9 in (2,057 mm)
• Tube plates	11 ft 3 in (3,429 mm)
• Small tubes	288: 2 in (51 mm)
• Large tubes	36: 5+1⁄2 in (140 mm)
Boiler pressure	180 psi (1,241 kPa)
Safety valve	Ramsbottom
Heating surface:
• Firebox	♣ 215 sq ft (20.0 m2); ♦♥ 202 sq ft (18.8 m2)
• Tubes	2,374 sq ft (220.552 m2)
• Arch tubes	♥ 27 sq ft (2.5 m2)
• Total surface	♣ 2,589 sq ft (240.5 m2); ♦ 2,576 sq ft (239.3 m2); ♥ 2,603 sq ft (241.8 m2)
Superheater:;
• Heating area	♣ 362 sq ft (33.6 m2); ♦ 349 sq ft (32.4 m2); ♥ 364 sq ft (33.8 m2)
Cylinders	4
Cylinder size	♠ 18 in (457 mm) bore; ♥ 19 in (483 mm) bore; ♠♥ 24 in (610 mm) stroke
Valve gear	Walschaerts
Valve type	Piston
Couplers	Johnston link-and-pin; AAR knuckle (1930s)
Tractive effort
Performance figures
Tractive effort	♠ 45,640 lbf (203.0 kN) @ 75%; ♥ 50,850 lbf (226.2 kN) @ 75%
Operators
Career
Operators	South African Railways
Class	Class GE
Number in class	18
Numbers	2260–2277
Delivered	1925–1931
First run	1925
Withdrawn	1975

The South African Railways Class GE 2-8-2+2-8-2 of 1925 was an articulated steam locomotive.

Between 1925 and 1931, the South African Railways placed 18 Class GE Garratt articulated locomotives with a 2-8-2+2-8-2 Double Mikado type wheel arrangement in service. They were built in three batches over six years.