Dapol BL-001-008

Black Label Class A4 Woodcock LNER Green Valanced 4-6-2 No.4493 Steam Locomotive - DCC Sound & Smoke

Manufacturer catalogue image - please note that pre-release images may be CAD renders or CGI images rather than photographs

Prototype Eras
Era 3 (1923 to 1947) The Big Four (LNER, LMS, GWR and SR)
Era 4 (1948 to 1956) British Railways Early Crest

Manufacturer description

Exclusive to Rails of Sheffield

Main Features

Electronic Features

Details Features

Following on from the success of the A3, and at the insistance of the LNER publicity Department, Nigel Gresley revealed his next class of high speed express engine in 1935. They were introduced, like the A3's, for the long distance, high speed, runs on the ECML to which they settled in very quickly. 

They were an almost instant success, building on the foundations laid by the A1 and A3 classes with the added streamlining both of the outer casing of the engine and a lot of internal components. In 1938 Class A4 4468 'Mallard' set the world steam speed record of 126.4 mph on Stoke Bank south of Grantham while running on a trial service with a dynamometer car (for recording speed etc) and 6 standard coaches. 

During the war years it was found that the valances covering the main running gear was hampering quick maintenance that on other classes would be relatively easy. The decision was taken to remove the valances completely to aid general servicing with the intention of restoring them at the end of hostilities, however this never happened and for the rest of their lives they ran without them. 

The only other major change to the look of the locos came with the fitting of double chimneys, although with the abundant streamlining this was less obvious than on other classes. The A4 locomotives started to be withdrawn in 1962 with the final members lasting until 1966. Luckily 6 have been preserved, including Mallard and 3 others in the UK, 1 in the USA and 1 in Canada.

Catalogue listing

Brand
Dapol
Product Code
BL-001-008
GTIN
5016927068219
RRP
£399.00
Release date
September 2025
Limited edition model for
Rails of Sheffield

Model details

DCC status
DCC Sound
Tooling date
2016
Chassis construction
Heavy diecast
Coupling mount
NEM pockets
Scale
OO Gauge (1:76 Scale)
Minimum radius
Radius 3

Prototype information

In service until
1966
Main duties
Express Passenger
Operated by
LNER
British Railways
Wheel configuration
4-6-2
Top speed
90 mph (in regular service)
126.4 mph (maximum recorded)
Total built
35
Build date
1935 to 1938
Builder
LNER Doncaster Works
Locomotive type
Steam
Tractive effort
35,455 lbf
Locomotive class*
A4

* Class names often change over the lifespan of a locomotive, so this is not necessarily the class name used by the operator in the period modelled.

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Related products

The Dapol Black Label Class A4 Woodcock LNER Green Valanced 4-6-2 No.4493 Steam Locomotive is a model of a British steam locomotive. This limited edition model is exclusively available from Rails of Sheffield and features a DCC sound system. The model represents the Big Four period, which includes the LNER, LMS, GWR, and SR railways.

The model is made from diecast material and features a highly detailed body, tender, and cab interior. It also includes a powerful 5-pole motor with a flywheel and NEM coupling pockets. The model has a 21-pin decoder and features a range of electronic details including working front lamps, dynamic firebox flicker effect, and a hi-fidelity sound project recorded from Bittern. The model also includes twin speakers and a smoke generator controlled by the decoder.

The model features a range of details including valanced and unvalanced bodies, three tender variations, and single and double chimneys. The Class A4 locomotives were introduced in 1935 and were used for high-speed express services. They were built on the foundations laid by the A1 and A3 classes and featured streamlining both on the outer casing of the engine and internal components. One of the locomotives, No. 4468 Mallard, set the world steam speed record of 126.4 mph in 1938.

During World War II, the valances were removed from the locomotives to aid maintenance, and this change remained in place for the rest of their lives. The locomotives were withdrawn from service between 1962 and 1966, with six examples preserved, including Mallard and three others in the UK, one in the USA, and one in Canada.

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