Yes this 8L engine is already proven itself in the brand HINO trucks which is a TOYOTA COMPANY ...They specialize in flatbed,tow trucks,steak trucks,box trucks. And toyota has been building diesel engines for about 50 years so there not new to the game...This truck is designed to tow 5th wheelers...it has a built in fuel tank that is mounted in the bed of the truck so you can fuel your tractors at job sites.It also comes standard with the 5th wheeler attachments and diamond plated bed liner and external fuel cell..