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Nick Drew skrev:Brief Hymac History

Production of the first Hymac excavator the 480 which only featured 270 degree slew began in 1962. Between 1962-1966 312 of these were manufactured.
The 480 was replaced by the 5/8 cu yd 580 in 1964 versions of this model were prime products of Hymac until 1987 with over 10,000 units sold.
other models were introduced later including there largest ever machine the 33ton 1290 which first appeared in the early 1970s.
Hymac and the German firm Hanomag based in Hanover were acquired by the IBH group in 1980.
In the early 80's the Hymac range of four basic models were..the crawler 580D/DS, the crawler 450E/ELC and its wheeled version W450E+W350D, the crawler 201LC and its wheeled version W201 which were introduced in 1983 these were designed jointly by Hymac & Hanomag, IBH collapsed in 1983.
In 1984 Hymac was bought by Northern Engineering Industries production of all Hymac models recommenced soon after near Wolverhampton, however in 1987 the BM group took over the company and renamed it Hymac Group Ltd the following year ownership changed again!! Gordon Brown formed Brown Engineering (Hymac) during this time badged Italian models made by FAI were introduced the 13t W121, 21t 211 and the 25t 251.
Following the collapse of the Brown group in 1991 the company was bought by Irish dealer John Kennedy but despite launching new models in 1992 the Synchron 1301 & 1501 which featured Linde's Synchron load sensing hydraulic systems, production finally ceased in 1993 the very last machine ever built by Hymac was an 18t 181B model a sad end to a great British company.