BR Standard Class 5

Specifications
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2′C h2
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	3 ft 0 in (0.914 m)
Driver dia.	6 ft 2 in (1.880 m)
Length	62 ft 7 in (19.08 m)
Width	8 ft 9 in (2.67 m)
Height	13 ft 0 in (3.96 m)
Axle load	19.70 long tons (20.02 t; 22.06 short tons)
Adhesive weight	58.05 long tons (58.98 t; 65.02 short tons)
Loco weight	76.00 long tons (77.22 t; 85.12 short tons)
Tender weight	BR1/BR1H: 49.15 long tons (49.94 t; 55.05 short tons);; BR1B: 51.25 long tons (52.07 t; 57.40 short tons);; BR1C: 53.25 long tons (54.10 t; 59.64 short tons);; BR1F: 55.25 long tons (56.14 t; 61.88 short tons);; BR1G: 52.50 long tons (53.34 t; 58.80 short tons);
Tender type	BR1 (50), BR1B (62), BR1C (35), BR1F (10), BR1G (3), BH1H (12)
Fuel capacity	BR1C: 9.00 long tons (9.14 t; 10.08 short tons);; All others: 7.00 long tons (7.11 t; 7.84 short tons)
Water cap.	BR1/BR1H: 4,250 imp gal (19,300 L; 5,100 US gal);; BR1B/BR1C: 4,725 imp gal (21,480 L; 5,674 US gal);; BR1F: 5,625 imp gal (25,570 L; 6,755 US gal);; BR1G: 5,000 imp gal (23,000 L; 6,000 US gal)
Firebox:
• Grate area	28.7 sq ft (2.67 m2)
Boiler	BR3
Boiler pressure	225 psi (1.55 MPa)
Heating surface:
• Firebox	171 sq ft (15.9 m2)
• Tubes and flues	1,479 sq ft (137.4 m2)
Superheater:;
• Heating area	358 sq ft (33.3 m2)
Cylinders	Two, outside
Cylinder size	19 in × 28 in (483 mm × 711 mm)
Valve gear	Walschaerts (73000–73124, 73155–73171) ; Caprotti (73125–73154)

Type and origin
Type and origin
Power type	Steam
Designer	R. A. Riddles
Builder	BR Derby Works (130) ; BR Doncaster Works (42)
Build date	April 1951 - June 1957
Total produced	172

BR Standard Class 5
BR Standard Class 5
	British Railways standard class 5MT No. 73000 in 1952.
Power type
Type and origin
Power type	Steam
Designer	R. A. Riddles
Builder	BR Derby Works (130) ; BR Doncaster Works (42)
Build date	April 1951 - June 1957
Total produced	172
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2′C h2
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	3 ft 0 in (0.914 m)
Driver dia.	6 ft 2 in (1.880 m)
Length	62 ft 7 in (19.08 m)
Width	8 ft 9 in (2.67 m)
Height	13 ft 0 in (3.96 m)
Axle load	19.70 long tons (20.02 t; 22.06 short tons)
Adhesive weight	58.05 long tons (58.98 t; 65.02 short tons)
Loco weight	76.00 long tons (77.22 t; 85.12 short tons)
Tender weight	BR1/BR1H: 49.15 long tons (49.94 t; 55.05 short tons);; BR1B: 51.25 long tons (52.07 t; 57.40 short tons);; BR1C: 53.25 long tons (54.10 t; 59.64 short tons);; BR1F: 55.25 long tons (56.14 t; 61.88 short tons);; BR1G: 52.50 long tons (53.34 t; 58.80 short tons);
Tender type	BR1 (50), BR1B (62), BR1C (35), BR1F (10), BR1G (3), BH1H (12)
Fuel capacity	BR1C: 9.00 long tons (9.14 t; 10.08 short tons);; All others: 7.00 long tons (7.11 t; 7.84 short tons)
Water cap.	BR1/BR1H: 4,250 imp gal (19,300 L; 5,100 US gal);; BR1B/BR1C: 4,725 imp gal (21,480 L; 5,674 US gal);; BR1F: 5,625 imp gal (25,570 L; 6,755 US gal);; BR1G: 5,000 imp gal (23,000 L; 6,000 US gal)
Firebox:
• Grate area	28.7 sq ft (2.67 m2)
Boiler	BR3
Boiler pressure	225 psi (1.55 MPa)
Heating surface:
• Firebox	171 sq ft (15.9 m2)
• Tubes and flues	1,479 sq ft (137.4 m2)
Superheater:;
• Heating area	358 sq ft (33.3 m2)
Cylinders	Two, outside
Cylinder size	19 in × 28 in (483 mm × 711 mm)
Valve gear	Walschaerts (73000–73124, 73155–73171) ; Caprotti (73125–73154)
Tractive effort
Performance figures
Tractive effort	26,124 lbf (116.2 kN)
Factor of adh.	4.98
Operators
Career
Operators	British Railways
Power class	5MT
Numbers	73000–73171
Axle load class	Route availability 7; BR (WR): Red
Withdrawn	February 1964 – August 1968
Disposition	Five preserved, remainder scrapped

The British Railways Standard Class 5MT 4-6-0 is one of the 12 BR standard classes of steam locomotive built by British Railways in the 1950s. It was essentially a development of the LMS Stanier Class 5 4-6-0 ("Black Five"). A total of 172 were built between 1951 and 1957.