‘Heavyweight’ 37 materializes


Accurascale has received the first Engineering Prototype (EP) sample of its newly-tooled ‘OO’ gauge Class 37/7 diesel for evaluation.

This variant of the all-new Class 37 tooling is due to appear as a special limited edition ‘OO’ gauge model of 37714 in Railfreight Metals sector livery for the Heavy Tractor Group, in recognition of the help and access to the full-size prototype provided during development of the model. It will also be supplied with etched metal Cardiff Canton nameplates for those who wish to model the locomotive reflecting its present day condition at the Great Central Railway in Leicestershire.


The Class 37/7 tooling suite will incorporate single-piece nose grilles, double rivetted roof, plated bodyside windows and steps, windscreens with toughened middle window only, welded replacement long range fuel tanks and correct style of cab interiors, together with an impressive mechanical specification which includes a heavy die-cast chassis, five-pole motor, twin flywheels, helical gears, all-wheel drive and pick-up, directional lighting and switchable tail lights.

Models will be available in Digital Command Control (DCC) ready and DCC sound-fitted formats, the latter featuring a bespoke audio recording of the actual full-size prototype.

In addition, the body tooling will form the basis of the next batch of all-new Class 37 variants, together with some never-before-modelled examples, which are expected to be announced later this year.


Following inspection by the company’s development team the ‘heavyweight’ Class 37/7 will undergo some minor revisions before progressing to the next stage.

Just 504 models will be produced, priced at £169.99 DCC ready and £259.99 DCC sound-fitted. Release is anticipated during Summer 2023.

Visit Heavy Tractor Group for more information.