Sentinel Waggon Works
| Ltd | |
| Industry | Engineering |
| Fate | Taken over |
| Successor | Rolls-Royce Limited |
| Founded | 1906 |
| Defunct | 1956 ? |
| Headquarters | Shrewsbury |
| Products |
Steam Lorries Railway Locomotives, Diesel Lorries |
Sentinel Waggon Works Ltd was a British company based in Shrewsbury, Shropshire that made steam-powered lorries, railway locomotives, and later, diesel engined lorries and locomotives.
Alley & MacLellan was founded in 1875 and was based in Polmadie, Glasgow. This company continued in operation until the 1950s. Initially manufacturing valves and compressors for steam engines, and later whole steamships, Alley & MacLellan acquired Simpson and Bibby of Horsehay, manufacturer of steam powered road vehicles, in 1903. They began producing steam road vehicles in 1905 and in 1906 introduced a 5 ton vertical-boiler wagon, which featured a 2-cylinder undertype engine and chain drive.
Around 1915 Alley & McLellan moved the steam wagon production to a new factory in England and it continued under a separate company (see below)., and in 1918 the company also opened a third factory in Worcester specialising in valve manufacture. Both factory buildings were prefabricated in Glasgow for local assembly and in both cases core Scottish employees transferred to the new sites.
Alley & MacLellan continued to operate in the original Sentinel Works in Jessie Street, Glasgow until the 1950s. They produced a wide range of engineering products including compressors, valves, etc. The 'Sentinel' name continued to be used for the products of the original Glasgow works until the mid 20th Century.
A new company Sentinel Waggon Works Ltd was formed when steam wagon production was switched to a new factory, opened at Shrewsbury in 1915. There were several other slight changes to the name over the company's lifetime when further infusions of working capital were required to obviate financial problems.
Alley & MacLellan's early wagon was so successful that it remained in production with relatively few updates until the launch of Sentinel's famous Super in 1923. The company also produced steam railway locomotives and railcars, for railway companies and industrial customers.
In 1917, the company was bought by William Beardmore & Co., Ltd.
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.
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