BR Standard Class 5
Design and construction

Number
Date
Builder
Valve gear
Notes
73000-28
1951
Derby
Walschaerts
-
73029-49
1953
Derby
Walschaerts
-
73050-74
1954
Derby
Walschaerts
-
73075-99
1955
Derby
Walschaerts
-
73100-108
1955
Doncaster
Walschaerts
-
73109-124
1956
Doncaster
Walschaerts
-
73125-144
1956
Derby
Caprotti
Poppet valves
73145-154
1957
Derby
Caprotti
Poppet valves
73155-158
1956
Doncaster
Walschaerts
-
73159-171
1957
Doncaster
Walschaerts
-

Question: What valve gears and poppet values were 73125 to 73154 built with?
Answer: The numbers 73125 to 73154, were built with Caprotti valve gear and poppet valves.