KR Models KRM-4DD-OO-R-1-G1

Bulleid Class 4DD Double Decker 4 Car EMU 4001/4901 BR Green with Small Yellow Ends

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

Prototype Eras
Era 4 (1948 to 1956) British Railways Early Crest
Era 5 (1956 to 1966) British Railways Late Crest

Manufacturer description

In 1948 BR asked O.V.S Bulleid to come up with a solution to

help reduce overcrowding on suburban routes to and from London.

In 1949 2 Double Deck units rolled off the production line,
numbered 4001/4002 these were an experiment that lasted
22 years and finished on 1st October 1971.

In 1970 both units were repainted to BR Blue and renumbered to 4901 and 4902.

We will be producing both running numbers as 4 car packs. There will be 2 power cars, all will have internal lights.

Catalogue listing

Brand
KR Models
Product Code
KRM-4DD-OO-R-1-G1
RRP
£375.00
Release date
Q4 2025

Model details

Tooling date
2023
DCC status
DCC 21
Minimum radius
Radius 2
Coupling type
Tension lock
Coupling mount
NEM pockets
Chassis construction
Plastic & metal
Scale
OO Gauge (1:76 Scale)
Features
Interior lighting

Prototype information

In service until
1971
Main duties
Local Passenger
Operated by
British Railways
Passenger capacity
1,104 Seated
Build dates
1949
Builder
BR Lancing Works
Type of unit
Double-Decker EMU - 750V DC 3rd Rail

Supplier Links

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Related products

KR Models Bulleid Class 4DD Double‑Decker 4‑car EMU (model numbers 4001/4901) is offered in BR Green with small yellow ends, full green, and BR Blue liveries. The model carries the manufacturer part number KRM-4DD-OO-R-1-G1 and is available in DCC‑ready, DCC‑fitted and DCC‑sound (LokSound V5.0) versions. It includes interior lighting and is built to a scale suitable for four‑car sets, with two power cars per set.

The prototype units were commissioned by British Railways in 1948 to alleviate overcrowding on suburban services to and from London. Two double‑deck units entered service in 1949 as numbers 4001 and 4002 and remained in operation for 22 years, being withdrawn on 01/10/1971. Both units were repainted in 1970 to BR Blue and renumbered 4901 and 4902.

All variants feature internal lights, close coupling, steel buffers and the required power‑car arrangement. The model is marketed for enthusiasts wishing to run either the original green with yellow ends or the later blue livery, with optional DCC sound capabilities.

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