page_title: Sentinel Waggon Works
section_title: Sentinel Waggon Works (1920) Ltd
hierarchical_section_title: Sentinel Waggon Works / History / Sentinel Waggon Works (1920) Ltd
caption_attribution_description: Español: Set de locomotora y coches Sentinel-Cammell, el día de su presentación en la vieja estación Puente Alsina, construída en chapas.
context_page_description: Sentinel Waggon Works Ltd was a British company based in Shrewsbury, Shropshire that made steam-powered lorries, railway locomotives, and later, diesel engined lorries, buses and locomotives.
context_section_description: In 1920, after financial problems, the company was reorganised as Sentinel Waggon Works (1920) Ltd. The Sentinel 'Super' model that followed in 1923 was assembled in a radical new plant at Shrewsbury, with a flow line based on Henry Ford’s Model T factory at Highland Park, Michigan, with 1,550 vehicles produced.
  Sentinel, along with Foden, dominated the steam market, but the 1930s saw the demise of both companies' ranges as new legislation forced the development of lighter lorries, Sentinel surviving the longest.
  In 1934 Sentinel launched a new and advanced steamer – the S type which had a single-acting 4-cylinder underfloor engine with longitudinal crankshaft and an overhead worm-drive axle. Their Sentinel Waggon Works' design of 1935 led to the production of 3,750 Sentinel 'Standards' in the seventeen years that followed, the biggest selling steam lorry ever. It was lighter and featured a modernised driver's cab with a set-back boiler and was available in four, six and eight-wheel form, designated S4, S6 and S8. In spite of its sophisticated design, however, it could not compete with contemporary diesel trucks for all-round convenience and payload capacity, and was phased out in the late 1930s. It was not the end of Sentinel's involvement with steam, however; the company built about 100 "S" type vehicles for export to Argentina as late as 1950, for use by the Río Turbio coal mine. It has been stated that Sentinel were never paid for the last batch of the Río Turbio production run. At least two of the Río Turbio waggons survive in Argentina to this day.
  In 1946 Thomas Hill's signed an agency agreement with Sentinel for repair and maintenance of diesel vehicles. In 1947 Sentinel offered to extend the agreement for diesel vehicles to include the steam locomotives and an agency was accepted by Thomas Hill for sales and servicing.
caption: Sentinel locomotive on the Buenos Aires Midland Railway in Argentina (1932).
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