On30 Kato-Works 4.5 ton DL 3D Kit with Assembled Mech, Flywheel & 42:1 Gearbox
On30 Mk III Kato Works 5 Ton DL 3D Kit. 1 x On30 (16.5mm gauge) 3D printed ‘Kato Works’ 5 Ton Diesel Locomotive kit. suitable for O Narrow, On30 applications. (includes low geared, 42:1 double reduction gearbox for slow running).