South African Class 16E 4-6-2

Specifications
Specifications
Configuration:;
• Whyte	4-6-2 (Pacific)
• UIC	2'C1'h2
Driver	2nd coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	34 in (864 mm)
Coupled dia.	72 in (1,829 mm)
Trailing dia.	34 in (864 mm)
Tender wheels	34 in (864 mm)
Wheelbase	63 ft 5+3⁄16 in (19,334 mm)
• Engine	33 ft 7 in (10,236 mm)
• Leading	7 ft 2 in (2,184 mm)
• Coupled	12 ft 3+1⁄2 in (3,746 mm)
• Tender	20 ft 5 in (6,223 mm)
• Tender bogie	6 ft 2 in (1,880 mm)
Length:;
• Over couplers	71 ft 8+3⁄16 in (21,849 mm)
Height	13 ft (3,962 mm)
Frame type	Bar
Axle load	20 LT 19 cwt (21,290 kg)
• Leading	19 LT 14 cwt (20,020 kg)
• 1st coupled	19 LT 8 cwt (19,710 kg)
• 2nd coupled	20 LT 19 cwt (21,290 kg)
• 3rd coupled	19 LT 7 cwt (19,660 kg)
• Trailing	18 LT 7 cwt (18,640 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	59 LT 14 cwt (60,660 kg)
Loco weight	97 LT 15 cwt (99,320 kg)
Tender weight	69 LT 8 cwt (70,510 kg)
Total weight	167 LT 3 cwt (169,800 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. 3A
• Type	Domeless
• Pitch	9 ft 3 in (2,819 mm)
• Diameter	6 ft 2+1⁄4 in (1,886 mm)
• Tube plates	19 ft 1⁄2 in (5,804 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	Pop
Heating surface:
• Firebox	206 sq ft (19.1 m2)
• Tubes	2,682 sq ft (249.2 m2)
• Arch tubes	26 sq ft (2.4 m2)
• Total surface	2,914 sq ft (270.7 m2)
Superheater:;
• Heating area	592 sq ft (55.0 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
Power type	Steam
Designer	South African Railways; (A.G. Watson)
Builder	Henschel and Son
Serial number	22583-22588
Model	Class 16E
Build date	1935
Total produced	6

South African Class 16E 4-6-2
South African Class 16E 4-6-2
	No. 858 Betty at Vetrivier, 5 November 1979
Power type
Type and origin
Power type	Steam
Designer	South African Railways; (A.G. Watson)
Builder	Henschel and Son
Serial number	22583-22588
Model	Class 16E
Build date	1935
Total produced	6
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-2 (Pacific)
• UIC	2'C1'h2
Driver	2nd coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Leading dia.	34 in (864 mm)
Coupled dia.	72 in (1,829 mm)
Trailing dia.	34 in (864 mm)
Tender wheels	34 in (864 mm)
Wheelbase	63 ft 5+3⁄16 in (19,334 mm)
• Engine	33 ft 7 in (10,236 mm)
• Leading	7 ft 2 in (2,184 mm)
• Coupled	12 ft 3+1⁄2 in (3,746 mm)
• Tender	20 ft 5 in (6,223 mm)
• Tender bogie	6 ft 2 in (1,880 mm)
Length:;
• Over couplers	71 ft 8+3⁄16 in (21,849 mm)
Height	13 ft (3,962 mm)
Frame type	Bar
Axle load	20 LT 19 cwt (21,290 kg)
• Leading	19 LT 14 cwt (20,020 kg)
• 1st coupled	19 LT 8 cwt (19,710 kg)
• 2nd coupled	20 LT 19 cwt (21,290 kg)
• 3rd coupled	19 LT 7 cwt (19,660 kg)
• Trailing	18 LT 7 cwt (18,640 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	59 LT 14 cwt (60,660 kg)
Loco weight	97 LT 15 cwt (99,320 kg)
Tender weight	69 LT 8 cwt (70,510 kg)
Total weight	167 LT 3 cwt (169,800 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. 3A
• Type	Domeless
• Pitch	9 ft 3 in (2,819 mm)
• Diameter	6 ft 2+1⁄4 in (1,886 mm)
• Tube plates	19 ft 1⁄2 in (5,804 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	Pop
Heating surface:
• Firebox	206 sq ft (19.1 m2)
• Tubes	2,682 sq ft (249.2 m2)
• Arch tubes	26 sq ft (2.4 m2)
• Total surface	2,914 sq ft (270.7 m2)
Superheater:;
• Heating area	592 sq ft (55.0 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
Maximum speed
Performance figures
Maximum speed	136 km (85 mi) when pulling a 350-ton train
Tractive effort	35,280 lbf (156.9 kN) @ 75%
Operators
Career
Operators	South African Railways
Class	Class 16E
Number in class	6
Numbers	854–859
Delivered	1935
First run	1935
Withdrawn	1972
	The 2nd coupled axle had flangeless wheels

The South African Railways Class 16E 4-6-2 of 1935 is a class of passenger steam locomotive.

In 1935, the South African Railways placed six Class 16E steam locomotives with a {4-6-2 wheel arrangement in express passenger train service.