Big Horse Engines and 18 speed Eaton Fuller Transmissions JC's Cummins N14, Slav Jerry's Cat C-15, LoaderSaints Eaton Fuller Transmissions Place This engine mod above any truck mods Cummins N14 with Lope Idle or Standard Idle - 550hp, 810hp, 1088hp CAT C15 ACERT 650-2100hp tuned engines with straight pipe sound Engines for the double lowboys heavy haul. 1st is the Grizzly 1200 HP 2nd is the Kodiak 1500 HP 3rd is the T Rex 1800 HP 4th is the Godzilla 2100 HP Eaton Fuller transmissions with real specifications Eaton RTLO-16918B 18-speed 19.72 Eaton RTLO-22918B 18-speed 19.72 Eaton UltraShift MXP18A 18-speed 16.70 Eaton UltraShift MXP18B 18-speed 19.73 Trucks are as follows All SCS Trucks, Rezbilt 389, Viper 389V2, Westernstar 4900, Freightliner FLC, Freightliner Classic, Kenworth W990, Mack R, Peterbilt 379X, Scania R, Scania S, Scania Streamline, Kenworth K100E Credits: Quirt Evans - adding 700-2100hp Cat C15 Acert tuned engines Slav Jerry - Cat C15 Acert sound modding and samples Johnny Cash - Cummins N14 sounds LoaderSaints - Eaton Fuller Transmissions SCS Software - engine samples