Technical problems with the 6,000 horsepower (4,500 kW) engine resulted in this locomotive being shipped with a 4,300 hp (3,210 kW) 16-cylinder 710G engine.
Canadian Pacific GMD SD90MAC No. 9143
This SD90MAC was built by GMD (CP-Ogden) in 1999 for Canadian Pacific. Also called the SD9043MAC, No. 9143 has a 4,300 hp, 16-cylinder 710G engine rather than the 6,000 hp, 16-cylinder H-engine it was designed for.