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Modelling Gallery - 4mm scale ready to run diesel locomotives

Below are illustrations of 4mm scale mass produced ready to run diesel locomotives.  Details of how to contact manufacturers and suppliers can be found in our modelling contacts section.

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Lima Class 09
repainted Lima  09 - click to view larger picture Lima favoured the Southern by early on in their   British range introducing both the Class 33 and Class 09.  Being launched in 1978 the model is more of a toy than scale model.  It can however be much improved by super-detailing, as can be seen on our kit-built, super-detailing, conversions and scratch-built locomotives page.
In the picture above the original Lima model has been repainted, which improves its looks and permanently coupled to a Lowfit match truck with pickups  fitted to improve its passage over points.  From 1999 the chassis was improved to have all three axles driven.
Lima Class 33
Lima class 33 out of the box - click to view larger picture Lima's first Crompton in OO scale was introduced in 1977 and again is rather toy-like.  It is, however, a good start for a super-detailing project, as can be seen on our kit-built, super-detailing, conversions and scratch-built locomotives page. The model pictured left is an early example from 1977.
Lima went on to produce 35 different versions including a dubious one in CIE orange and black livery!
In 1986 the body was improved.
Heljan Class 33/0
Heljan class 33/0 - click to view larger picture Given the rather basic quality of the Lima 33 the announcement by Heljan of a state-of-the-art Class 33 model was greeted by Southern modellers with enthusiasm.  However, when released the model was met with mixed reviews. On the positive side, in terms of quality and detail it is light-years ahead of the Lima model with lots of separately applied detail, incredibly fine moulding (just look around the bogies!), flush-glazing, directionally controlled headcode panel lighting, changeable headcodes and with an eight wheel all pick up drive it runs like a dream.  However, the roof profile, which should be a continuous curve, incorrectly flattens towards the centre of the roof line.  So some think the "look" of the model, especially when viewed end on, is not quite right.
Heljan class 33/0 - click to view larger picture
Heljan class 33/0 - click to view larger picture
Lima vs Heljan 33/0s
comparing the Lima and Heljan Cromptons - click to view larger picture  So does the Heljan 33 look right?  You decide for yourself. 

On the left is a super-detailed Lima 33 (with damaged buffer beam detail) and on the right a Heljan 33 awaiting fitting of its additional buffer beam detail and headcode blind. When measured against scale drawings the profile of the Heljan roof is correct from the bodyside to the top of the grilles, but the radius then tightens by up to 1mm too much. The profile of the Lima roof measures spot-on.

Heljan Class 33/1 and 33/2
Heljan 33/1 front elevation Heljan 33/2 front elevation
Heljan class 33/1 - click to view larger picture In late 2006 Heljan released their 33/1 and 33/2 models, the four blue samples are illustrated left. Fortunately the roof profile on these versions is correct as is the narrower body and the way the bodysides go over the solebars on the "Slim Jim" (33/2).
Heljan class 33/1 - click to view larger picture
Heljan class 33/2 - click to view larger picture
Heljan class 33/2 - click to view larger picture