Gasoline - Fuel Trailers For Sale

Gasoline fuel trailers, also called petroleum tank trailers or DOT 406 tank trailers, are built for hauling refined fuels with the safety systems and compartment layouts required for retail and commercial delivery work. Most buyers in this category are looking at aluminum MC-406 or DOT 406 units with bottom loading, vapor recovery, emergency shutoff systems, and multiple compartments for split loads. Common capacities run around 8,500 to 9,500 gallons, with 9,200-gallon tandem axle trailers being one of the most common specs in fleet service. Elliptical aluminum barrels are popular because they keep tare weight down while supporting higher payload and corrosion resistance.

Compartment layout is one of the first decisions to make. A four-compartment trailer works well for standard station drops and straightforward product segregation, while a five-compartment trailer gives dispatch more flexibility for gasoline grades, diesel, ethanol blends, or fuel oil. Buyers should look closely at compartment sizes, bulkhead configuration, trough or sump design, and the unload system. Bottom-load trailers with internal vapor lines, overfill probes, air-operated emergency valves, and openable API adaptors are standard on later-model equipment because they speed up loading and align with terminal requirements. Equipment from suppliers such as Civacon is common for overfill protection and vapor recovery hardware, so replacement parts and service support are usually easier to source.

Spec details affect daily usability as much as compliance. Tandem axle air ride suspensions are the norm, often with aluminum wheels, low-profile 22.5 or 24.5 rubber, and a 49-inch tandem setting. Disc or drum brake condition matters, but so do ABS and roll stability systems, landing gear condition, kingpin setting, hose tube arrangement, cabinet layout, and lighting at the discharge area. A trailer set up with multiple hose tubes, organized fittings cabinets, EVO cabinet access, placard holders, and good rear work lights saves time on every stop. Aluminum piping, internal drains, spray suppression, and clean cabinet design also reduce long-term maintenance headaches.

For used gasoline trailers, testing and documentation are just as important as the hardware. Buyers should confirm current vac and pressure test status, internal and external inspection dates, specification plate details, and state or federal inspection records where applicable. It is also smart to verify what product was previously hauled, because prior gasoline-only service may matter to some fleets more than mixed gas and diesel use. Barrel condition, weld integrity, lining or contamination concerns, emergency valve operation, and vapor recovery functionality all deserve close review. A well-spec'd fuel trailer should match your terminal loading requirements, your delivery profile, and your maintenance program before price becomes the deciding factor.