Another option we loved was the AEV 10.2-gallon fuel caddy. Made from ultra-tough cross-link polyethylene (just like what used in many factory fuel tanks), it’s a great way to carry extra fuel without the bulk of external jerry cans. The fuel caddy has several attachment points to the tire carrier. The system is also designed to accommodate wiring for all the various accessories. It’s also fully vented and uses an OE-style cap. The fuel tank’s high-mount position means it’s easy to gravity feed fuel into the main fuel tank with the included shaker siphon, and the fuel tank allows the carrier to accommodate a 40-inch.