The GP40 series was built between November of 1965 and December of 1971, weighs 245,000 lbs and uses a 645E 16 cylinder diesel prime mover that develops 3000 hp, and 62,500 lb of tractive effort. My thanks to The Diesel Shop for the information.
Videos
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PanAm MEC engines 515, 619, & 600 bring WAPO through Deering Junction in Portland on November 7th of 2020. Video by John Erickson.
PanAm MEC engines 509, 504, 321, & 326 bring PORU across Mill Rd in North Yarmouth on November 7th of 2020. Video by John Erickson.
PanAm MEC engines 7585, 7518, 506, 7534, & 619 bring POWA through Oakland on December 4th of 2020. Video by John Erickson.
PanAm MEC engines 5972, 305, 313, & LTEX 3902 bring PORU through Curtis Corner in Leeds on December 19th of 2020. Video by John Erickson.