HM146: Heljan Class 37/4 for 'O' gauge

Hornby Magazine

Published on Tuesday 5 November 2019 by Hornby Magazine

Heljan's hotly anticipated 'O' gauge Class 37/4 has now arrived offering a brand new choice of modern era (post-1985) diesel locomotive for 7mm scale. We review this new addition to the Heljan fleet in HM146 - on sale from July 4 2019 - and you can watch it running on our test track here. Visit for more information and to buy the latest issue. is a Good Stuff website.