英国Paxman柴油机公司自30年代起介入铁路牵引用柴油机的设计。70年代初,Pax-man公司将新研制的Valenta柴油机投放到国际市场。这是一种高速、大功率、结构坚固的铁路牵引用和船用柴油机。在 Valenta 柴油机刚投入运用之际,恰逢英国铁路批准了研制将会使英国铁路旅客运输发生巨变的高速内燃列车。 British Paxman Diesel Engine Company has been involved in the design of railway traction diesel engines since the 1930s. In the early 70s, Pax-man company put the newly developed Valenta diesel engine on the international market. This is a high-speed, high-power, sturdy railway traction and marine diesel engine. When Valenta diesel engines were first put into operation, it coincided with the approval of the British Railways to develop high-speed internal combustion trains that will make a big difference in British passenger transport.