CGR 3rd Class 4-4-0 1903

Specifications
Specifications
Configuration:;
• Whyte	4-4-0 (American)
• UIC	2'Bn2
Driver	1st coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	28+1⁄2 in (724 mm)
Coupled dia.	60 in (1,524 mm)
Tender wheels	37 in (940 mm)
Wheelbase	41 ft 5+3⁄4 in (12,643 mm)
• Engine	20 ft 1⁄2 in (6,109 mm)
• Leading	5 ft 3 in (1,600 mm)
• Coupled	7 ft 6 in (2,286 mm)
• Tender	10 ft (3,048 mm)
Length:;
• Over couplers	50 ft 2+1⁄2 in (15,304 mm)
Height	12 ft 10 in (3,912 mm)
Axle load	14 LT 15 cwt (14,990 kg)
• Leading	12 LT 9 cwt (12,650 kg)
• 1st coupled	14 LT 8 cwt (14,630 kg)
• 2nd coupled	14 LT 15 cwt (14,990 kg)
• Tender axle	Axle 1: 10 LT 10 cwt (10,670 kg); Axle 2: 10 LT 6 cwt (10,470 kg); Axle 3: 11 LT 1 cwt (11,230 kg)
Adhesive weight	29 LT 3 cwt (29,620 kg)
Loco weight	41 LT 12 cwt (42,270 kg)
Tender weight	31 LT 7 cwt (31,850 kg)
Total weight	72 LT 19 cwt (74,120 kg)
Tender type	3-axle
Fuel type	Coal
Fuel capacity	5 LT (5.1 t)
Water cap.	2,470 imp gal (11,200 L)
Firebox:
• Type	Round-top
• Grate area	18 sq ft (1.7 m2)
Boiler:;
• Pitch	7 ft (2,134 mm)
• Diameter	4 ft 4 in (1,321 mm)
• Tube plates	10 ft 3⁄8 in (3,058 mm)
Boiler pressure	180 psi (1,241 kPa)
Safety valve	Ramsbottom
Heating surface:
• Firebox	109 sq ft (10.1 m2)
• Tubes	910 sq ft (85 m2)
• Total surface	1,019 sq ft (94.7 m2)
Cylinders	Two
Cylinder size	17+1⁄2 in (444 mm) bore; 24 in (610 mm) stroke
Valve gear	Stephenson
Couplers	Johnston link-and-pin

Type and origin
Type and origin
Power type	Steam
Designer	Cape Government Railways; (H.M. Beatty)
Builder	Sharp, Stewart and Company
Serial number	4969-4976
Build date	1903
Total produced	8

CGR 3rd Class 4-4-0 1903
South African Class 03 4-4-0 1903
CGR 3rd Class 4-4-0 1903; South African Class 03 4-4-0 1903
	CGR 3rd Class 4-4-0 of 1903 Wynberg Tender
Power type
Type and origin
Power type	Steam
Designer	Cape Government Railways; (H.M. Beatty)
Builder	Sharp, Stewart and Company
Serial number	4969-4976
Build date	1903
Total produced	8
Configuration:;
Specifications
Configuration:;
• Whyte	4-4-0 (American)
• UIC	2'Bn2
Driver	1st coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	28+1⁄2 in (724 mm)
Coupled dia.	60 in (1,524 mm)
Tender wheels	37 in (940 mm)
Wheelbase	41 ft 5+3⁄4 in (12,643 mm)
• Engine	20 ft 1⁄2 in (6,109 mm)
• Leading	5 ft 3 in (1,600 mm)
• Coupled	7 ft 6 in (2,286 mm)
• Tender	10 ft (3,048 mm)
Length:;
• Over couplers	50 ft 2+1⁄2 in (15,304 mm)
Height	12 ft 10 in (3,912 mm)
Axle load	14 LT 15 cwt (14,990 kg)
• Leading	12 LT 9 cwt (12,650 kg)
• 1st coupled	14 LT 8 cwt (14,630 kg)
• 2nd coupled	14 LT 15 cwt (14,990 kg)
• Tender axle	Axle 1: 10 LT 10 cwt (10,670 kg); Axle 2: 10 LT 6 cwt (10,470 kg); Axle 3: 11 LT 1 cwt (11,230 kg)
Adhesive weight	29 LT 3 cwt (29,620 kg)
Loco weight	41 LT 12 cwt (42,270 kg)
Tender weight	31 LT 7 cwt (31,850 kg)
Total weight	72 LT 19 cwt (74,120 kg)
Tender type	3-axle
Fuel type	Coal
Fuel capacity	5 LT (5.1 t)
Water cap.	2,470 imp gal (11,200 L)
Firebox:
• Type	Round-top
• Grate area	18 sq ft (1.7 m2)
Boiler:;
• Pitch	7 ft (2,134 mm)
• Diameter	4 ft 4 in (1,321 mm)
• Tube plates	10 ft 3⁄8 in (3,058 mm)
Boiler pressure	180 psi (1,241 kPa)
Safety valve	Ramsbottom
Heating surface:
• Firebox	109 sq ft (10.1 m2)
• Tubes	910 sq ft (85 m2)
• Total surface	1,019 sq ft (94.7 m2)
Cylinders	Two
Cylinder size	17+1⁄2 in (444 mm) bore; 24 in (610 mm) stroke
Valve gear	Stephenson
Couplers	Johnston link-and-pin
Tractive effort
Performance figures
Tractive effort	16,540 lbf (73.6 kN) @ 75%
Operators
Career
Operators	Cape Government Railways; South African Railways
Class	CGR 3rd Class, SAR Class 03
Number in class	8
Numbers	1, 21, 29-30, 45, 48-49, 56
Nicknames	Wynberg Tender
Delivered	1903
First run	1903
Withdrawn	c. 1932

The Cape Government Railways 3rd Class 4-4-0 of 1903 was a South African steam locomotive from the pre-Union era in the Cape of Good Hope.

In 1903, the Cape Government Railways placed the last eight 3rd Class Wynberg Tender locomotives with a 4-4-0 American type wheel arrangement in suburban service in Cape Town. While they appeared to be virtually identical to the locomotives of 1901 at first glance, they were heavier and more powerful.

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