CGR 4th Class 4-4-2

Specifications
Specifications
Configuration:;
• Whyte	4-4-2 (Atlantic)
• UIC	2'B1'n2
Driver	2nd coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	28 in (711 mm)
Coupled dia.	56 in (1,422 mm)
Trailing dia.	33 in (838 mm)
Tender wheels	32+1⁄2 in (826 mm)
Wheelbase	45 ft 11+1⁄2 in (14,008 mm)
• Engine	22 ft 6 in (6,858 mm)
• Leading	6 ft (1,829 mm)
• Coupled	6 ft (1,829 mm)
• Tender	13 ft 3 in (4,039 mm)
• Tender bogie	4 ft 8 in (1,422 mm)
Length:;
• Over couplers	53 ft 5+1⁄2 in (16,294 mm)
Height	12 ft 3 in (3,734 mm)
Frame type	Bar
Axle load	12 LT 3 cwt (12,340 kg)
• Leading	10 LT 18 cwt (11,070 kg)
• 1st coupled	11 LT 12 cwt (11,790 kg)
• 2nd coupled	12 LT 3 cwt (12,340 kg)
Adhesive weight	23 LT 15 cwt (24,130 kg)
Loco weight	44 LT 16 cwt (45,520 kg)
Tender weight	30 LT 2 cwt (30,580 kg)
Total weight	74 LT 18 cwt (76,100 kg)
Tender type	2-axle bogies
Fuel type	Coal
Fuel capacity	5 LT 15 cwt (5.8 t)
Water cap.	2,400 imp gal (10,900 L)
Firebox:
• Type	Round-top
• Grate area	30 sq ft (2.8 m2)
Boiler:;
• Pitch	6 ft 11 in (2,108 mm)
• Diameter	4 ft 8+7⁄8 in (1,445 mm)
• Tube plates	14 ft 9+3⁄8 in (4,505 mm)
• Small tubes	189: 2 in (51 mm)
Boiler pressure	180 psi (1,241 kPa)
Safety valve	Ramsbottom
Heating surface:
• Firebox	98.15 sq ft (9.118 m2)
• Tubes	1,461.7 sq ft (135.80 m2)
• Total surface	1,559.85 sq ft (144.915 m2)
Cylinders	Two
Cylinder size	16 in (406 mm) bore; 22 in (559 mm) stroke
Valve gear	Stephenson
Couplers	Johnston link-and-pin

Type and origin
Type and origin
Power type	Steam
Designer	Baldwin Locomotive Works
Builder	Baldwin Locomotive Works
Serial number	15338-15343
Model	JNR 6600-Class
Build date	1897
Total produced	30

CGR 4th Class 4-4-2
South African Class 04 4-4-2
CGR 4th Class 4-4-2; South African Class 04 4-4-2
	CGR 4th Class 4-4-2 no. 297, c. 1910
Power type
Type and origin
Power type	Steam
Designer	Baldwin Locomotive Works
Builder	Baldwin Locomotive Works
Serial number	15338-15343
Model	JNR 6600-Class
Build date	1897
Total produced	30
Configuration:;
Specifications
Configuration:;
• Whyte	4-4-2 (Atlantic)
• UIC	2'B1'n2
Driver	2nd coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	28 in (711 mm)
Coupled dia.	56 in (1,422 mm)
Trailing dia.	33 in (838 mm)
Tender wheels	32+1⁄2 in (826 mm)
Wheelbase	45 ft 11+1⁄2 in (14,008 mm)
• Engine	22 ft 6 in (6,858 mm)
• Leading	6 ft (1,829 mm)
• Coupled	6 ft (1,829 mm)
• Tender	13 ft 3 in (4,039 mm)
• Tender bogie	4 ft 8 in (1,422 mm)
Length:;
• Over couplers	53 ft 5+1⁄2 in (16,294 mm)
Height	12 ft 3 in (3,734 mm)
Frame type	Bar
Axle load	12 LT 3 cwt (12,340 kg)
• Leading	10 LT 18 cwt (11,070 kg)
• 1st coupled	11 LT 12 cwt (11,790 kg)
• 2nd coupled	12 LT 3 cwt (12,340 kg)
Adhesive weight	23 LT 15 cwt (24,130 kg)
Loco weight	44 LT 16 cwt (45,520 kg)
Tender weight	30 LT 2 cwt (30,580 kg)
Total weight	74 LT 18 cwt (76,100 kg)
Tender type	2-axle bogies
Fuel type	Coal
Fuel capacity	5 LT 15 cwt (5.8 t)
Water cap.	2,400 imp gal (10,900 L)
Firebox:
• Type	Round-top
• Grate area	30 sq ft (2.8 m2)
Boiler:;
• Pitch	6 ft 11 in (2,108 mm)
• Diameter	4 ft 8+7⁄8 in (1,445 mm)
• Tube plates	14 ft 9+3⁄8 in (4,505 mm)
• Small tubes	189: 2 in (51 mm)
Boiler pressure	180 psi (1,241 kPa)
Safety valve	Ramsbottom
Heating surface:
• Firebox	98.15 sq ft (9.118 m2)
• Tubes	1,461.7 sq ft (135.80 m2)
• Total surface	1,559.85 sq ft (144.915 m2)
Cylinders	Two
Cylinder size	16 in (406 mm) bore; 22 in (559 mm) stroke
Valve gear	Stephenson
Couplers	Johnston link-and-pin
Tractive effort
Performance figures
Tractive effort	13,580 lbf (60.4 kN) @ 75%
Operators
Career
Operators	Japanese National Railways; Cape Government Railways; South African Railways
Class	JNR 6600-Class, CGR 4th Class, SAR Class 04
Number in class	6
Numbers	295-300
Nicknames	Hatrack
Delivered	1897
First run	1897
Withdrawn	1931

The Cape Government Railways 4th Class 4-4-2 of 1897 was a South African steam locomotive from the pre-Union era in the Cape of Good Hope.

In 1897, the Cape Government Railways placed six 4th Class tender locomotives with a 4-4-2 Atlantic type wheel arrangement in service on the section from Kimberley southwards.

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