247 Developments, a hobby store based in Neath in South Wales, are known primarily as manufacturers of etched name and number plates for model railway locomotives as well as suppliers of other small detailed parts for the railway modeller. However, they also produce the ‘Dulais Valley Models’ range of 3D printed road and railway bodies in resin.

Included in the range are body options designed for fitment to the Oxford Diecast range of 4mm OO gauge Mechanical Horse and Scammell Scarab tractor units to create models of various rigid chassis vehicle types not available elsewhere.

The products listed below are all currently available from the manufacturer.

(Diecast vehicles not included)

E1 Tank

L101 Ladder

E2 Pickup

E3 Flatbed

E4 Horsebox

E5 Milk Float

E6 Box Van

E7 Drop Side

E8 Crane (with E2 Pickup)

Photos in this gallery were taken by Chris Took (Model Secretary, The Mechanical Horse Club)
© The Mechanical Horse Club – 2026