GM-EMD 645

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In 1965 came the 3rd generation of the well-known to-stroke diesel engine type 645 to launched, both with and without turbo.

The Swedish railways get 133 pieces of locomotives with a 12-cylinder 645E-engine in the period 1968-1986 and in 1992 get the Spanish railways 60 pieces of locomotives with a 8-cylinder edition, plus 20 pieces of 319´s with a 16-cylinder edition.

It was after all turbo editions, who came to most widespread. In the period 1967-1970 get DSB 26 pieces of MZ-locomotives with the 16-cylinder edition of the 645E3-engine and in the period 1972-1978 came further 35 pieces of MZ-locomotives with a 20-cylinder edition. In Spain get they 93 pieces of 333-locomotives with the 16-cylinder edition, who was greatly related with the 26 first MZ´s by DSB, but have also some elements from the 20 first 20-cylinder MZ-locomotives.

The three editions 645E3, 645E3A and 645E3B

are mostly identical, who came to made until 1983, where get a new edition 645F3, who could get in a 12-cylinder edition, but not in a 20-cylinder edition. The 16-cylinder edition of 645F3 had 3800 HP compared to 3300 Hp, who the three first editions had.

In 1980 get NSB delivered 5 pieces of Di4-locomotives, who get a 16-cylinder 645E3 and provide with the new three-phase asynchrony current technique, which the 37 pieces of ME-locomotives, who DSB get delivered in the period 1981-1985 also get .

In USA it was the two "Roadswitchere" GP and SD, who get this engine type, which some other models also get, including 47 pieces of special locomotives, who "Union Pacific get in the period 1969-1971, who every had 2 pieces of 16-cylinder 645E3 with generator and 8 traction motors. They get a type name DDA40X and had a axle arrangement Do-Do and are already scraped, when these was just big enough