MRWA B class

Specifications
Specifications
Configuration:;
• Whyte	4-4-0
• UIC	2'B
Gauge	3 ft 6 in (1,067 mm)
Driver dia.	4 ft 4 in (1,321 mm)
Length	43 ft 3 in (13.18 m) (incl tender)
Loco weight	49.75 long tons (50.55 t; 55.72 short tons) (incl tender)
Firebox:
• Grate area	14 sq ft (1.3 m2)
Boiler pressure	160 psi (1,100 kPa)
Cylinder size	15 in × 20 in (381 mm × 508 mm)

Type and origin
Type and origin
Power type	Steam
Builder	Hawthorn Leslie,; Tyneside, England
Serial number	2213–2221

Midland Railway of Western Australia
B class
Midland Railway of Western Australia; B class
	B6 with crew at Watheroo, ca 1910
Power type
Type and origin
Power type	Steam
Builder	Hawthorn Leslie,; Tyneside, England
Serial number	2213–2221
Configuration:;
Specifications
Configuration:;
• Whyte	4-4-0
• UIC	2'B
Gauge	3 ft 6 in (1,067 mm)
Driver dia.	4 ft 4 in (1,321 mm)
Length	43 ft 3 in (13.18 m) (incl tender)
Loco weight	49.75 long tons (50.55 t; 55.72 short tons) (incl tender)
Firebox:
• Grate area	14 sq ft (1.3 m2)
Boiler pressure	160 psi (1,100 kPa)
Cylinder size	15 in × 20 in (381 mm × 508 mm)
Power output
Performance figures
Power output	660 hp (490 kW)
Tractive effort	11,076 lbf (49.27 kN)
Number in class
Career
Number in class	9
Numbers	B2 - B10
First run	1891