Locomotive Class

Dean Single Achilles Class

Dean Single Achilles Class Class: Dean Single Achilles Class
Type: Steam
Designer: William Dean
Weight: 50 tons (not including tender)
Purpose: Mixed Traffic

Information: A total of 79 Dean Achilles Class Single wheelers built between 1891 and 1899 for express passenger services out of Paddington by the Great Western Railway. Built during the period of conversion to standard gauge, the first thirty members were built with a 2-2-2 wheel arrangement, with the first eight also featuring convertible frames with the eminent demise of the broad gauge infrastructure.

Details: Typical of conventional engineering during the late 19th century, speed meant large driving wheels on a single driven axle. The Achilles Class featured enormous 7’-8-1/2” diameter driving wheels with two internal cylinders between the frames. Also typical of the era was the original 2-2-2 wheel design. The 2-2-2 locomotives being later converted to the familiar 4-2-2 wheel arrangement after an accident involving a broken axle in Box tunnel during 1893. The broken axle shaft was blamed on front end weight associated with the larger boilers being used on the class.
As express passenger locomotives the class took on individual names. Livery was GWR lined green. Several class members were allocated to Royal Train duties. No. 3065 “Duke of Connaught” made a record-breaking run with the “Ocean Mail” on 9th of May 1904, covering the distance from Plymouth to Paddington in 227 minutes.
Engineering of steam locomotives took a tremendous leap forward in the early twentieth century resulting in many rebuilds. Consideration of converting the design to a 4-4-0 wheel arrangement by George Churchward was considered during the early 20th century; but not pursued due to difficulties associated with converting the frames because of the large driving wheels, resulting in withdrawal of the entire class between 1908 and 1915. All were scrapped.

John Faulkner

Dean Single Achilles Class Releases (6)

MODEL NO. LIVERY
Dean Achilles Class Locomotive - Duke Of Edinburgh
Released: 2009 2010
3064 G.W.R. Green
Dean Achilles Class Locomotive - Lorna Doone
Released: 2007
3047 G.W.R. Green
Dean Single Locomotive - Lord Of The Isles
Released: 1961 1962 1963 1971 1972 1973
3046 G.W.R. Green
G.W.R. 4-2-2 Train Pack (Dean Single - Great Western) - G.W.R. 175 Celebration Pack
Released: 2010
3012 G.W.R. Green
G.W.R. The Flying Dutchman (Dean Single - Royal Sovereign)
Released: 2008
3050 G.W.R. Green
Lord Of The Isles Anniversary Pack (Dean Single)
Released: 2006
3046 G.W.R. Green

Dean Single Achilles Class Images (6)

Dean Achilles Class Locomotive - Duke Of Edinburgh
Dean Achilles Class Locomotive - Duke Of Edinburgh 3064

Dean Achilles Class Locomotive - Lorna Doone
Dean Achilles Class Locomotive - Lorna Doone 3047

Dean Single Locomotive - Lord Of The Isles
Dean Single Locomotive - Lord Of The Isles 3046

G.W.R. 4-2-2 Train Pack (Dean Single - Great Western)  - G.W.R. 175 Celebration Pack
G.W.R. 4-2-2 Train Pack (Dean Single - Great Western) - G.W.R. 175 Celebration Pack 3012

G.W.R. The Flying Dutchman (Dean Single - Royal Sovereign)
G.W.R. The Flying Dutchman (Dean Single - Royal Sovereign) 3050

Lord Of The Isles Anniversary Pack (Dean Single)
Lord Of The Isles Anniversary Pack (Dean Single) 3046


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Database

11,326 yearly Items over 57 Years.
4,068 individual Items.
3,708 Models.
360 catalogued Train Sets.
156 Train Packs.
820 Steam Locomotives.
497 Diesel Locomotives.
1,082 Passenger Coaches.
1,153 Freight Wagons.


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