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The British Rail Class 60 is a class of Co-Co heavy freight diesel-electric locomotives built by Brush Traction. They are nicknamed Tugs by Rail Enthusiasts. ==History== In the 1980s, British Rail decided it had a requirement for a high powered Type 5 diesel locomotive for use on its Trainload Freight sector. On 10 August 1987, the British Rail Board issued a competitive tender for response by 7 November, for a fleet of 100 locomotives. Of the six companies invited to tender, only three bid responses were received: *Metro-Cammell - offered a MetroCammell body with an option of traction packages, many untried, and could not offer performance guarantees as stipulated by the tender *GEC - a partnership with General Motors Electro Motive. They offered a state-of-the-art Class 59, built in the UK, probably at BREL Crewe Works, which had an existing partnership for construction of the Class 91 electric locos *Brush Traction - offered a locomotive powered by either a Mirrlees or Ruston engine, and used separately excited (Sepex) traction control, as previously tested on the Class 58. Of the three bidders, Brush was selected, and an order was placed for 100 locomotives in a deal worth around £120 million.〔 Brush sub-contracted parts construction, with final construction at Brush's erecting shops at Loughborough. The bodyshells, shared with the Class 92 electric locomotives, were fabricated by Procor (UK) of Wakefield. The engine was a higher-powered development of the Mirrlees engine previously fitted experimentally to British Rail Class 37 nos. 37901-37904.〔 〕 The first locomotive was delivered in June 1989 and sent to Derby for testing, which revealed a number of teething problems.〔 Parts requiring modifications included the axle box suspension and the Mirlees engine cylinder head.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「British Rail Class 60」の詳細全文を読む スポンサード リンク
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