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Midland Railway Class 2 4-4-0
The Midland Railway Class 2 4-4-0 was a series of 12 classes of 4-4-0 steam locomotives built by and for the Midland Railway between 1876 and 1901 while Samuel W. Johnson held the post of locomotive superintendent. They were designed for use on express passenger trains but later on were downgraded to secondary work when more powerful types were introduced.
During their history they were repeatably rebuilt, sometimes leaving virtually none of their original parts.
275 were built in all:
The "B", "D" and "E" boilers all had the same 4 ft 1 in (1,240 mm) diameter barrel, but had progressively longer fireboxes, "D" being 7 in (180 mm) longer than "B" and "E" being 6 in (150 mm) longer than "D", giving a larger grate area.
Starting with the "1738" class boilers were made of steel rather than wrought iron, which accounts for the higher permitted pressures.
The two earliest classes never received larger boilers, though between 1884 and 1891 the "1312"s received enlarged cylinders of 18 in × 22 in (460 mm × 560 mm).
Withdrawals began in 1904 with two of the "1327" class. 16 out of 30 survived to the grouping but not long after, the last withdrawal being in 1934.
These were built with Joy valve gear. This proved not altogether satisfactory and the 10 engines were withdrawn early (between 1896 & 1901) and replaced by new engines of the "150" class with the same numbers.
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Midland Railway Class 2 4-4-0
The Midland Railway Class 2 4-4-0 was a series of 12 classes of 4-4-0 steam locomotives built by and for the Midland Railway between 1876 and 1901 while Samuel W. Johnson held the post of locomotive superintendent. They were designed for use on express passenger trains but later on were downgraded to secondary work when more powerful types were introduced.
During their history they were repeatably rebuilt, sometimes leaving virtually none of their original parts.
275 were built in all:
The "B", "D" and "E" boilers all had the same 4 ft 1 in (1,240 mm) diameter barrel, but had progressively longer fireboxes, "D" being 7 in (180 mm) longer than "B" and "E" being 6 in (150 mm) longer than "D", giving a larger grate area.
Starting with the "1738" class boilers were made of steel rather than wrought iron, which accounts for the higher permitted pressures.
The two earliest classes never received larger boilers, though between 1884 and 1891 the "1312"s received enlarged cylinders of 18 in × 22 in (460 mm × 560 mm).
Withdrawals began in 1904 with two of the "1327" class. 16 out of 30 survived to the grouping but not long after, the last withdrawal being in 1934.
These were built with Joy valve gear. This proved not altogether satisfactory and the 10 engines were withdrawn early (between 1896 & 1901) and replaced by new engines of the "150" class with the same numbers.