Ruston 44HP Locomotive 45mm gauge


A 45mm gauge ready to run model and kit of one of Ruston and Hornsby’s larger narrow gauge locomotives.

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The Ruston 44HP locomotive was produced in Lincoln between 1936 and 1942 and was the first to be shipped with Ruston’s own diesel engine as opposed to a Lister engine. These relatively large narrow gauge locomotives were produced in a variety of gauges from 18 inches up to 42 inches and were found on many industrial, mineral and quarry railways in this country and around the world. Several examples have survived into preservation (but few are still in original form).

Our model locomotive features four wheel drive from a 12 volt motor worm and chain drive. We have found the model runs quite happily either on either a 6 or 9 volt battery. The kit has been designed for easy assembly with the major components being held together with nuts and bolts; thus greatly simplifying painting.

We are selling this 45 mm gauge model locomotive in four forms. ( 32mm gauge version is available here ).

Ready To Run, manual control

Price £180. Manual control in brunswick green livery with 11 volt Lipo battery and charger included. Other colours can be provided to order. N.B This option incurs our “Bulky Postage” rate (see the delivery charges page)

Ready To Run, radio control

Price £290. As above but fitted with a Deltang 2.4 ghz receiver/speed controller and supplied with a simple, “centre off” transmitter. N.B This option incurs our “Bulky Postage” rate (see the delivery charges page)

Kit Form

Price £120. Kit features :

  • Prebuilt and tested working four wheel drive chassis (no soldering required).
  • Optional components to build either a cabbed or open version
  • Laser cut plastic cab components
  • 3D printed bonnet components
  • Over a dozen high quality “SLS” nylon detailing components

Ruston 44HP Assembly Instructions

Chassis Only

Price £40. Suitable for the home builder who doesn’t want the hassle of designing and building a working chassis for their project.


Product Dimensions


Ready-To-Run Manual Control, Ready-To-Run Radio Control, SM45 Kit, Chassis Only


158 mm (over buffers)


74 mm


132 mm


Nylon 24mm disc

Track Gauge

45mm gauge


Kit supplied with 6 cell AAA battery holder.
R-T-R with 500 mah 3 cell lipo battery