Midland Railway 1000 Class

Specifications
Specifications
Configuration:;
• Whyte	4-4-0
• UIC	2′B h3v
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 6+1⁄2 in (1.080 m)
Driver dia.	7 ft 0 in (2.134 m)
Fuel type	Coal
Water cap.	3,500 imp gal (16,000 L; 4,200 US gal)
Boiler	2631–2635 and 1000–1004: G8½; Remainder: G9; All rebuilt with G9AS
Boiler pressure	220 psi (1.52 MPa)
Cylinders	Three, one inside high-pressure, two outside low-pressure
High-pressure cylinder	19 in × 26 in (483 mm × 660 mm)
Low-pressure cylinder	21 in × 26 in (533 mm × 660 mm)
Valve gear	Stephenson
Valve type	HP: piston valve,; LP: slide valves

Type and origin
Type and origin
Power type	Steam
Designer	Samuel Waite Johnson: renewed as superheated Deeley compound by Henry Fowler
Builder	Derby Works
Build date	1902–1909
Total produced	45
Rebuild date	1913–1928

Midland Railway 1000 Class
Midland Railway 1000 Class
	1025 in photographic grey livery
Power type
Type and origin
Power type	Steam
Designer	Samuel Waite Johnson: renewed as superheated Deeley compound by Henry Fowler
Builder	Derby Works
Build date	1902–1909
Total produced	45
Rebuild date	1913–1928
Configuration:;
Specifications
Configuration:;
• Whyte	4-4-0
• UIC	2′B h3v
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 6+1⁄2 in (1.080 m)
Driver dia.	7 ft 0 in (2.134 m)
Fuel type	Coal
Water cap.	3,500 imp gal (16,000 L; 4,200 US gal)
Boiler	2631–2635 and 1000–1004: G8½; Remainder: G9; All rebuilt with G9AS
Boiler pressure	220 psi (1.52 MPa)
Cylinders	Three, one inside high-pressure, two outside low-pressure
High-pressure cylinder	19 in × 26 in (483 mm × 660 mm)
Low-pressure cylinder	21 in × 26 in (533 mm × 660 mm)
Valve gear	Stephenson
Valve type	HP: piston valve,; LP: slide valves
Tractive effort
Performance figures
Tractive effort	21,840 lbf (97.1 kN)
Operators
Career
Operators	MR → LMS → BR
Class	1000
Power class	4P
Locale	London Midland Region
Withdrawn	1948–1953
Disposition	One preserved, remainder scrapped

The Midland Railway 1000 Class is a class of 4-4-0 steam locomotive designed for passenger work. They were known to reach speeds of up to 85 mph (137 km/h).