A new 5.1-gallon diesel exhaust fluid (DEF) tank is located immediately behind the fuel tank with refill location next to the diesel fuel filler. “Although we didn’t get to celebrate in Moab this year with our latest round of concept vehicles, we’re pleased to introduce the Jeep Farout concept today as a vehicle that blends Gladiator EcoDiesel’s fuel efficiency with an area of features fans of overlanding will love,” said Jeep head Jim Morrison during the car’s announcement. There are chain-driver dual overhead camshafts with four valves per cylinder.The turbocharged engine's charge air cooler sits at the base of the grille ahead of the radiator.