subsequent locomotives built in the Soviet Union. Models HS4000 "Kestrel" is made as a kit and ready-to-run in OO gauge by Silver Fox Models. Heljan of Denmark have produced a highly detailed OO scale model of the Kestrel, as part of a limited run of 4000 units. The Swanley New Barn Railway, in Swanley, Kent, operates a 7 1/4 inch gauge overscale version of the 'kestrel' which was built by Mardyke Miniature Railways. Unlike the full size, this model is a diesel-hydraulic. References and notes Notes References Sources Further reading External links Photograph of HS4000 in Russia in a bad state of repair, still in Hawker Siddeley livery. HS4000 Brush Traction locomotives Co-Co locomotives Experimental locomotives Soviet Union–United Kingdom relations Railway locomotives introduced in 1968 Standard gauge locomotives of Great Britain 5 ft gauge locomotives Diesel-electric locomotives of Great Britain Diesel-electric locomotives of the Soviet Union Scrapped locomotives