Manufacturer catalogue image - please note that pre-release images may be CAD renders or CGI images rather than photographs
Prototype Era
Era 9 (1995 to 2004) Initial Privatisation
Dapol 4D-009-009 Class 121 Railtrack Red/White 977723
ADDITIONAL SERVICES AND INFORMATION
ADDITIONAL SERVICES DCC FITTING SERVICES;
DCC-Ready 21-Pin decoder. Suitable decoder Dapol imperium1 If you require our fitting services please use the following links and add the items to your basket:
Standard fitting INCLUDING price of decoder IMPERIUM1FIT
If you require our fitting services please use the following links anda add the items to your basket:
Standard fitting INCLUDING price of decoder IMPERIUM1FIT
Sound fitting NOT including price of decoder DCCDIFIT
* 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.
Supplier links are provided for your convenience and do not guarantee that the product is currently available. RailwayModels.uk is not a representative of these suppliers, but may receive a commission when purchases are made through links on this page.
Dapol
4D-009-009D
Class 121 BUBBLE CAR Railtrack Red/White 977723 DCC Fitted
Dapol
4D-009-004D
Class 121 Bubble Car W55023 BR Blue DCC Fitted
Dapol
4D-009-004
Class 121 Bubble Car W55023 BR Blue Diesel Railcar
Dapol
4D-009-003D
Class 121 Bubble Car W55029 BR Blue/Grey DCC Fitted
Dapol
4D-009-003
Class 121 Bubble Car W55029 BR Blue Grey
Dapol
4D-009-002D
Class 121 Bubble Car W55028 BR Green SYP Dcc Fitted
Dapol
4D-009-002
Class 121 Bubble Car W55028 BR Green SYP
Dapol
4D-009-001D
Class 121 BUBBLE CAR W55020 BR Green Whiskers DCC Fitted
Dapol
4D-009-001
Class 121 BUBBLE CAR W55020 BR Green Whiskers
Dapol
4D-009-DCC1
Class 121 Chiltern Green SYP 121034 - Exclusive Model
Dapol
4D-009-008
Class 121 Bubble Car Midline Diesel Locomotive No.55033
Dapol
4D-009-HAT04
Class 121 121020 Railtrack Chiltern Railways Blue Exclusive Edition
Dapol
4D-009-HAT05
Class 121 55027 Revised Network Southeast Livery
Dapol
4D-009-HAT03
Class 121 960011 Railtrack Blue & Green Diesel Railcar
Dapol
4D-009-005
Class 121 'Bletchley TMD' Bubble Car Silverlink Diesel Locomotive No.55027
Dapol
4D-009-HAT01
Class 121 BR Chocolate & Cream W55020 Exclusive Edition
Dapol
4D-009-HAT06
Class 121 960010 Railtrack 'Coaching Stock' Maroon Exclusive Edition
Dapol
4D-009-006
Class 121 Bubble Car BR Blue Grey Highland Stag Diesel Locomotive No.55026
Dapol Class 121 Bubble Car Railtrack “Clearing the Way” diesel locomotive, running number 977723, is a OO gauge model presented in a pristine finish. It is supplied as DCC ready with a 21‑pin socket and the livery is Railtrack red and white.
The model represents a British Rail Class 121 built in 1960 by the Pressed Steel Company and reflects the initial privatisation period. It features all‑wheel power pickup, a NEM/tension‑lock coupling, a minimum curve radius of 2 inches, and is powered as a diesel multiple unit. The manufacturer part number is 4D‑009‑009 and only 16 examples of the prototype were produced.
Additional services are available, including standard DCC fitting with an Imperium‑1 decoder (part number IMPERIUM1FIT) and separate sound fitting (part number DCCDIFIT). These services can be added to a basket via the supplier’s website.