BR Standard Class 5
Design and construction

BR Standard Class 5

Section Title: Design and construction
Table Section Text: None

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

Sentence(s)

The numbers 73125 to 73154, were built with Caprotti valve gear and poppet valves.

final_sentence: The numbers 73125 to 73154, were built with Caprotti valve gear and poppet valves.