South African Class 15E 4-8-2

Specifications
Specifications
Configuration:;
• Whyte	4-8-2 (Mountain)
• UIC	2'D1'h2
Driver	2nd coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	30 in (762 mm)
Coupled dia.	60 in (1,524 mm)
Trailing dia.	34 in (864 mm)
Tender wheels	34 in (864 mm)
Wheelbase	65 ft 6+1⁄4 in (19,971 mm)
• Engine	35 ft 8 in (10,871 mm)
• Leading	6 ft 10 in (2,083 mm)
• Coupled	15 ft 9 in (4,801 mm)
• Tender	20 ft 5 in (6,223 mm)
• Tender bogie	6 ft 2 in (1,880 mm)
Length:;
• Over couplers	73 ft 6 in (22,403 mm)
Height	12 ft 11+1⁄2 in (3,950 mm)
Frame type	Bar
Axle load	♠ 18 LT 12 cwt (18,900 kg); ♥ 18 LT 14 cwt (19,000 kg)
• Leading	♠ 18 LT 6 cwt (18,590 kg); ♥ 19 LT 5 cwt (19,560 kg)
• 1st coupled	♠ 18 LT 3 cwt (18,440 kg); ♥ 17 LT 14 cwt (17,980 kg)
• 2nd coupled	♠ 18 LT 12 cwt (18,900 kg); ♥ 18 LT 14 cwt (19,000 kg)
• 3rd coupled	♠ 18 LT 10 cwt (18,800 kg); ♥ 18 LT 1 cwt (18,340 kg)
• 4th coupled	♠ 18 LT 3 cwt (18,440 kg); ♥ 17 LT 14 cwt (17,980 kg)
• Trailing	♠ 17 LT 6 cwt (17,580 kg); ♥ 16 LT 17 cwt (17,120 kg)
• Tender bogie	Bogie 1: 33 LT 18 cwt (34,440 kg); Bogie 2: 35 LT 10 cwt (36,070 kg)
• Tender axle	17 LT 15 cwt (18,030 kg)
Adhesive weight	♠ 73 LT 8 cwt (74,580 kg); ♥ 72 LT 3 cwt (73,310 kg)
Loco weight	♠ 109 LT (110,700 kg); ♥ 108 LT 5 cwt (110,000 kg)
Tender weight	69 LT 8 cwt (70,510 kg)
Total weight	♠ 178 LT 8 cwt (181,300 kg); ♥ 177 LT 13 cwt (180,500 kg)
Tender type	JT (2-axle bogies); JT, JV permitted
Fuel type	Coal
Fuel capacity	14 LT (14.2 t)
Water cap.	6,000 imp gal (27,300 L)
Firebox:
• Type	Round-top
• Grate area	63 sq ft (5.9 m2)
Boiler:;
• Model	Watson Standard no. 3B
• Type	Domeless
• Pitch	9 ft 2+1⁄2 in (2,807 mm)
• Diameter	6 ft 2+1⁄4 in (1,886 mm)
• Tube plates	22 ft 6 in (6,858 mm)
• Small tubes	136: 2+1⁄2 in (64 mm)
• Large tubes	36: 5+1⁄2 in (140 mm)
Boiler pressure	210 psi (1,448 kPa)
Safety valve	Ross-pop
Heating surface:
• Firebox	206 sq ft (19.1 m2)
• Tubes	3,168 sq ft (294.3 m2)
• Arch tubes	26 sq ft (2.4 m2)
• Total surface	3,400 sq ft (320 m2)
Superheater:;
• Heating area	676 sq ft (62.8 m2)
Cylinders	Two
Cylinder size	24 in (610 mm) bore; 28 in (711 mm) stroke
Valve gear	Rotary cam
Valve type	Poppet
Couplers	AAR knuckle

Type and origin
Type and origin
	♠ Robert Stephenson and Hawthorns engines; ♥ Henschel & Berliner engines
Power type	Steam
Designer	South African Railways; (A.G. Watson)
Builder	Robert Stephenson & Hawthorns; Henschel and Son; Berliner Maschinenbau
Serial number	RSH 4090–4109; Henschel 23000-23010, 23111-23115; Berliner 10585-10592
Model	Class 15E
Build date	1935–1936
Total produced	44

South African Class 15E 4-8-2
South African Class 15E 4-8-2
	Henschel-built no. 2878 at Magaliesburg, 26 July 1992
Power type
Type and origin
	♠ Robert Stephenson and Hawthorns engines; ♥ Henschel & Berliner engines
Power type	Steam
Designer	South African Railways; (A.G. Watson)
Builder	Robert Stephenson & Hawthorns; Henschel and Son; Berliner Maschinenbau
Serial number	RSH 4090–4109; Henschel 23000-23010, 23111-23115; Berliner 10585-10592
Model	Class 15E
Build date	1935–1936
Total produced	44
Configuration:;
Specifications
Configuration:;
• Whyte	4-8-2 (Mountain)
• UIC	2'D1'h2
Driver	2nd coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	30 in (762 mm)
Coupled dia.	60 in (1,524 mm)
Trailing dia.	34 in (864 mm)
Tender wheels	34 in (864 mm)
Wheelbase	65 ft 6+1⁄4 in (19,971 mm)
• Engine	35 ft 8 in (10,871 mm)
• Leading	6 ft 10 in (2,083 mm)
• Coupled	15 ft 9 in (4,801 mm)
• Tender	20 ft 5 in (6,223 mm)
• Tender bogie	6 ft 2 in (1,880 mm)
Length:;
• Over couplers	73 ft 6 in (22,403 mm)
Height	12 ft 11+1⁄2 in (3,950 mm)
Frame type	Bar
Axle load	♠ 18 LT 12 cwt (18,900 kg); ♥ 18 LT 14 cwt (19,000 kg)
• Leading	♠ 18 LT 6 cwt (18,590 kg); ♥ 19 LT 5 cwt (19,560 kg)
• 1st coupled	♠ 18 LT 3 cwt (18,440 kg); ♥ 17 LT 14 cwt (17,980 kg)
• 2nd coupled	♠ 18 LT 12 cwt (18,900 kg); ♥ 18 LT 14 cwt (19,000 kg)
• 3rd coupled	♠ 18 LT 10 cwt (18,800 kg); ♥ 18 LT 1 cwt (18,340 kg)
• 4th coupled	♠ 18 LT 3 cwt (18,440 kg); ♥ 17 LT 14 cwt (17,980 kg)
• Trailing	♠ 17 LT 6 cwt (17,580 kg); ♥ 16 LT 17 cwt (17,120 kg)
• Tender bogie	Bogie 1: 33 LT 18 cwt (34,440 kg); Bogie 2: 35 LT 10 cwt (36,070 kg)
• Tender axle	17 LT 15 cwt (18,030 kg)
Adhesive weight	♠ 73 LT 8 cwt (74,580 kg); ♥ 72 LT 3 cwt (73,310 kg)
Loco weight	♠ 109 LT (110,700 kg); ♥ 108 LT 5 cwt (110,000 kg)
Tender weight	69 LT 8 cwt (70,510 kg)
Total weight	♠ 178 LT 8 cwt (181,300 kg); ♥ 177 LT 13 cwt (180,500 kg)
Tender type	JT (2-axle bogies); JT, JV permitted
Fuel type	Coal
Fuel capacity	14 LT (14.2 t)
Water cap.	6,000 imp gal (27,300 L)
Firebox:
• Type	Round-top
• Grate area	63 sq ft (5.9 m2)
Boiler:;
• Model	Watson Standard no. 3B
• Type	Domeless
• Pitch	9 ft 2+1⁄2 in (2,807 mm)
• Diameter	6 ft 2+1⁄4 in (1,886 mm)
• Tube plates	22 ft 6 in (6,858 mm)
• Small tubes	136: 2+1⁄2 in (64 mm)
• Large tubes	36: 5+1⁄2 in (140 mm)
Boiler pressure	210 psi (1,448 kPa)
Safety valve	Ross-pop
Heating surface:
• Firebox	206 sq ft (19.1 m2)
• Tubes	3,168 sq ft (294.3 m2)
• Arch tubes	26 sq ft (2.4 m2)
• Total surface	3,400 sq ft (320 m2)
Superheater:;
• Heating area	676 sq ft (62.8 m2)
Cylinders	Two
Cylinder size	24 in (610 mm) bore; 28 in (711 mm) stroke
Valve gear	Rotary cam
Valve type	Poppet
Couplers	AAR knuckle
Tractive effort
Performance figures
Tractive effort	42,340 lbf (188.3 kN) @ 75%
Operators
Career
Operators	South African Railways; Rhodesia Railways; CF de Mocambique
Class	Class 15E
Number in class	44
Numbers	2858-2901
Nicknames	Bongol
Delivered	1935–1937
First run	1935
Withdrawn	1973

The South African Railways Class 15E 4-8-2 of 1935 was a steam locomotive.

Between 1935 and 1937, the South African Railways placed forty-four Class 15E steam locomotives with a 4-8-2 Mountain type wheel arrangement in service.