LMS Stanier 2-6-2T

Specifications
Specifications
Configuration:;
• Whyte	2-6-2T
• UIC	1′C1′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 3+1⁄2 in (1.003 m)
Driver dia.	5 ft 3 in (1.600 m)
Trailing dia.	3 ft 3+1⁄2 in (1.003 m)
Wheelbase	33 ft 3 in (10.13 m)
Length	41 ft 11+3⁄4 in (12.80 m)
Loco weight	w/ 6 boiler: 70.75 long tons (71.89 t; 79.24 short tons); w/ 6A boiler: 71.25 long tons (72.39 t; 79.80 short tons); w/ 6B boiler: 72.5 long tons (73.7 t; 81.2 short tons);
Fuel type	Coal
Fuel capacity	3 long tons (3.05 t; 3.36 short tons)
Water cap.	1,500 imp gal (6,800 L; 1,800 US gal)
Firebox:
• Grate area	71–120: 17+1⁄2 sq ft (1.63 m2); Remainder: 19+1⁄4 sq ft (1.79 m2);
Boiler	LMS type 6 (71–144); LMS type 6A (145–209); LMS type 6B (6 off);
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Tubes and flues	71–120: 775 sq ft (72.0 m2); 121–144: 859 sq ft (79.8 m2); 6A boiler: 939 sq ft (87.2 m2); 6B boiler: 997 sq ft (92.6 m2);
• Firebox	71–120: 104 sq ft (9.7 m2); 121–144: 107 sq ft (9.9 m2); 6A boiler: 107 sq ft (9.9 m2); 6B boiler: 111 sq ft (10.3 m2);
Superheater:;
• Heating area	6 boiler: 73 sq ft (6.8 m2) to 76 sq ft (7.1 m2); 6A boiler: 74 sq ft (6.9 m2) to 80 sq ft (7.4 m2); 6B boiler: 138 sq ft (12.8 m2) to 137 sq ft (12.7 m2);
Cylinders	Two, outside
Cylinder size	17+1⁄2 in × 26 in (444 mm × 660 mm)
Valve gear	Walschaerts
Valve type	piston valves

Type and origin
Type and origin
Power type	Steam
Designer	William Stanier
Builder	LMS Derby Works (114); LMS Crewe Works (25);
Build date	1935–1938
Total produced	139

LMS Stanier Class 3P 2-6-2T
LMS Stanier Class 3P 2-6-2T
	40142 in service at London Cricklewood, June 1960
Power type
Type and origin
Power type	Steam
Designer	William Stanier
Builder	LMS Derby Works (114); LMS Crewe Works (25);
Build date	1935–1938
Total produced	139
Configuration:;
Specifications
Configuration:;
• Whyte	2-6-2T
• UIC	1′C1′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 3+1⁄2 in (1.003 m)
Driver dia.	5 ft 3 in (1.600 m)
Trailing dia.	3 ft 3+1⁄2 in (1.003 m)
Wheelbase	33 ft 3 in (10.13 m)
Length	41 ft 11+3⁄4 in (12.80 m)
Loco weight	w/ 6 boiler: 70.75 long tons (71.89 t; 79.24 short tons); w/ 6A boiler: 71.25 long tons (72.39 t; 79.80 short tons); w/ 6B boiler: 72.5 long tons (73.7 t; 81.2 short tons);
Fuel type	Coal
Fuel capacity	3 long tons (3.05 t; 3.36 short tons)
Water cap.	1,500 imp gal (6,800 L; 1,800 US gal)
Firebox:
• Grate area	71–120: 17+1⁄2 sq ft (1.63 m2); Remainder: 19+1⁄4 sq ft (1.79 m2);
Boiler	LMS type 6 (71–144); LMS type 6A (145–209); LMS type 6B (6 off);
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Tubes and flues	71–120: 775 sq ft (72.0 m2); 121–144: 859 sq ft (79.8 m2); 6A boiler: 939 sq ft (87.2 m2); 6B boiler: 997 sq ft (92.6 m2);
• Firebox	71–120: 104 sq ft (9.7 m2); 121–144: 107 sq ft (9.9 m2); 6A boiler: 107 sq ft (9.9 m2); 6B boiler: 111 sq ft (10.3 m2);
Superheater:;
• Heating area	6 boiler: 73 sq ft (6.8 m2) to 76 sq ft (7.1 m2); 6A boiler: 74 sq ft (6.9 m2) to 80 sq ft (7.4 m2); 6B boiler: 138 sq ft (12.8 m2) to 137 sq ft (12.7 m2);
Cylinders	Two, outside
Cylinder size	17+1⁄2 in × 26 in (444 mm × 660 mm)
Valve gear	Walschaerts
Valve type	piston valves
Tractive effort
Performance figures
Tractive effort	21,485 lbf (95.57 kN)
Operators
Career
Operators	London, Midland and Scottish Railway; → British Railways;
Power class	LMS: 3P; BR: 3MT;
Numbers	LMS: 71–209; BR: 40071–40209;
Withdrawn	1959–1962
Disposition	All scrapped

The Stanier Class 3P 2-6-2T was a class of London, Midland and Scottish Railway (LMS) steam locomotive. They were designed by William Stanier based on the earlier LMS Fowler 2-6-2T.

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