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British Railway History Item

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GWR Class 5101 2-6-2 Tank

Built 1929-49, Designed by Charles B. Collett.

Total Number Built 140 - Total to BR 140

Introduced November 1929. Modified design of Collett 5100 Class - new construction. Classification 4MT.

Number Series 4100-4179, 5101-5110, 5150-5199.

Built at Great Western Railway and British Railways Swindon Works.

5101-5110 Lot No. 257 1929
5150-5159 Lot No. 257 1930
5160-5172 Lot No. 259 1930
5173-5189 Lot No. 259 1931
5190-5199 Lot No. 284 1934
4100-4109 Lot No. 292 1935
4110-4119 Lot No. 292 1936
4120-4121 Lot No. 313 1937
4122-4129 Lot No. 313 1938
4130-4139 Lot No. 323 1939
4140-4149 Lot No. 335 1946
4150-4159 Lot No. 361 1947
4160-4169 Lot No. 369 1948
4170-4179 Lot No. 369 1949

The first of the class to be withdrawn was 5159 in April 1956 from Treherbert shed. The last loco withdrawn was 4113 in November 1965 from Worcester shed. Some are preserved.

Weight: Loco 78 tons 9 cwt
Driving Wheel: 5' 8"
Boil Press: 200lb/sq in Su
Cylinders: Two 18" x 30" (outside)
Valve Gear: Stephenson (piston valves)
TE: 24,300 lb
Number Series

Class Total: 140

4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
5101
5102
5103
5104
5105
5106
5107
5108
5109
5110
5150
5151
5152
5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
5168
5169
5170
5171
5172
5173
5174
5175
5176
5177
5178
5179
5180
5181
5182
5183
5184
5185
5186
5187
5188
5189
5190
5191
5192
5193
5194
5195
5196
5197
5198
5199

Allocation and Withdrawal Details


Last Updated : Thursday 22nd August 2002 11:28

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