Designed with durability on the roughest surfaces in mind, the Caterpillar 777E 2020 year model truck can survive the most adverse operating conditions. Complete with a Caterpillar C32 diesel engine that's capable of outputting 765 kW of power, the large rigid dump truck has a max forward speed of 67.1 km/h, which means it can haul upwards of 98.2 tons a pass quickly.