after the MARLEW QT-155-HDT and TT-155-MPD came out successful, these were fitted onto the SD91ACSE-T4 and turned into a SD92ACFE-T4, being more reliable and stronger than any diesels out there, it can do up to a whopping 7250 horsepower and doesnt break down easily, the prime mover was made to be durable as a emd 645e3 with similar materials, allowing better strengh
prime mover specs:
displacement: 7,75 liters (472,93 cubic inch) per cylinder, total of 155 liters (9458,68 cubic inch)
bore: 260mm (10.24)
stroke: 320mm (12.6)
air induction: turbo x4, variable pressure, max of 30 psi
idle rpm: 400
max rpm: 1400 rpm
compression ratio: 17:1
cylinder: 20 v60 degrees