GWR 3001 Class

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Achilles Class
GWR Dean single 2-2-2 3009 Flying Dutchman (Howden, Boys' Book of Locomotives, 1907).jpg
No. 3009 Flying Dutchman
Type and origin
Power type Steam
Designer William Dean
Builder Great Western Railway
Build date 1891-1892
Total produced 30
 • Whyte 2-2-2
Gauge 7 ft 14 in (2,140 mm) (Nos. 3021-3028)
4 ft 8 12 in (1,435 mm) standard gauge
Driver dia. 7 ft 9 in (2.362 m)
Trailing dia. 4 ft 7.5 in (1.410 m)
Operators Great Western Railway
Number in class 30
Withdrawn 1893-1894
Disposition All converted to 3031 Class

The 3001 Class as constructed by William Dean at the Swindon Works of the Great Western Railway in 1891-2 was the culmination of the tradition of GWR 2-2-2 locomotives that had begun with Gooch's North Star over 50 years earlier. The 3001s, which had 7 ft 9 in (2.362 m) driving wheels, were built in two batches:

  • 3001-3020 (Lot 84, 1892)
  • 3021-3030 (Lot 86, 1891-2)

Because of the restricted width available between the large driving wheels, these locomotives were fitted with narrow 4 ft 3 in (1.30 m) diameter boilers. In order to increase the heating surface the boilers were made longer than previous types, and were fitted with raised fireboxes.[1] Despite the fact that the broad gauge was in its very final months, new broad gauge engines were still needed to maintain services, and eight of these new engines, Nos. 3021-3028, were built (as "convertibles") with the wheels outside the frames, to run on the broad gauge. They were duly converted back to "narrow" (standard) gauge in summer 1892.

These engines were too heavy at the front end, and after a derailment in 1893 it was decided to give them front bogies. Thus transformed, in 1894 the class joined the 3031 Class, one of the most elegant of the entire late Victorian era.[2]


  1. ^ Russell 1999, p. 41.
  2. ^ Tabor 1956, pp. D19-20.


  • Tabor, F.J. (1956). Locomotives of the Great Western Railway, part four: Six-wheeled Tender Engines. RCTS. 
  • Russell, J.H. (1999) [1975]. A Pictorial Record of Great Western Engines: Volume One:Gooch, Armstrong & Dean Locomotives. Shepperton: Ian Allan. ISBN 0 86093 398 9.