NER Class O explained

Powertype:	Steam
NER Class O LNER Class G5
Designer:	Wilson Worsdell
Builddate:	1894-1901
Totalproduction:	110
Whytetype:	0-4-4T
Driverdiameter:	5feet
Locoweight:	54.2LT
Fueltype:	coal
Cylindercount:	two inside
Cylindersize:	18inchesx24inchesin (xin)
Boilerpressure:	160psi
Tractiveeffort:	17265lbf
Withdrawndate:	1950-1958
Disposition:	All original locomotives scrapped. One replica being constructed.

The NER Class O (LNER Class G5) was a class of 0-4-4T steam locomotives of the North Eastern Railway,^{[1] [2]} designed by the company's Chief Engineer, Wilson Worsdell. They all survived into British Railways ownership in 1948 and their BR numbers were 67240-67349. They were withdrawn between 1950 and 1958.

Accidents and incidents

In July 1957, locomotive No. 67338 was used for a series of tests into the performance of concrete sleepers when trains were derailed. These tests took place between Halifax and Keighley, Yorkshire.^[3]

Preservation

None of the G5s were preserved, although a replica, No. 1759 is in the works at Shildon.^[4] It will be built for use on various heritage lines.

Models

Bachmann Branchline have made a OO gauge model of the NER O class.

Notes and References

1. Book: Ian Allan ABC of British Railways Locomotives, part 4. 1948. 44.
2. Web site: The G5 (NER Class O) 0-4-4T Tank Locomotives. The London & North Eastern Railway (LNER) Encyclopedia.
3. Book: Hoole, Ken . Ken Hoole

   . Ken Hoole . Trains in Trouble. 4 . 1983 . Atlantic Books . Redruth . 0 906899 07 9 . 44 .

4. Web site: Class G5 Locomotive Company.