Double Conical U.S. Aluminum Tanker Trailers
Crude haulers are increasingly choosing Dragon double conical trailers for their superior performance under harsh well site conditions. Built to exceed the demands of oilfield and production environments, these trailers deliver reliability and efficiency in transporting valuable cargos.
Core Specifications
- DOT Code: 407
- Plumbing: Standard and custom options available
- Suspension: Air ride suspension
- Materials: Aluminum or Stainless Steel construction
- Valves: Bottom Air Actuated Valves
Capacities
- 8400 Gallon
- 9000 Gallon
- 9500 Gallon
- 10500 Gallon
- 11000 Gallon
- Additional Options: 7400 Gallon Pup trailer & 120bbl body mounted tank available
Available Options
- Aluminum wheels
- Pump package
- Titan Gauges
- Sculley Systems
- Centrifuge
- Roll over stability
- VRU Under Ride Protection
- API Heads
- Overfill Alarm Systems
Advanced Features & Technical Details
- Compartment: Single or Double
- Commodity: Unspecified Fluids
- Design Pressure: 25 PSI Internal
- Hydrostatic Pressure Test: 38 PSIG
- Shell: Available in various tank sizes
- Head: 5454 Temper 0 Aluminum, ASME F & D
- Baffle: 4 – Reinforced ASME
- Welds & Reinforcement:
- Internal welds: As welded
- External welds: Smoke and discoloration removed
- Stiffener: 2” x 5” aluminum channel, external solid weld
- Rings: Solid weld
- Cleanouts: 4 – 3” male pipe nipples with stainless steel caps (one per baffle space on top center line)
- Overturn Protection: Spill dam at top manway with drain hose, including level gauge port, relief valve, and vapor recovery valve
- Lighting: Full DOT lights, LED sealed lights, with harness and junction box featuring a terminal strip
- Suspension System: Watson Chalin Integra (light weight integrated) air ride, rated at 30,000 lbs. per axle
- Axles, Wheels & Tires:
- Axles: 25,000 lbs. round with outboard drums, dura-light lightweight hubs, and cast lite drums
- Wheels: 10-hole, steel disc, hub pilot, white
- Tires: 11.00 x 24.5 Radial – cut and chip resistant
- Brakes: 16 1/2 x 7 with spring parking, auto slacks, featuring Wabco 4s-2m ABS system
- Upper Coupler & Landing Gear:
- Upper Coupler: 5/16” Boister plate, bolt-on adjustable (49” truck 5th wheel height)
- Landing Legs: 2-speed, heavy duty, high capacity lift
- Bumper & Fenders:
- Bumper: Heavy duty per DOT requirements
- Fenders: 3/4 fenders on the front, full fenders on the rear
- Mud Flaps: Anti-Sail design
- Hose Carrier: Options include hose tubes or hose trays
- Protective Coating: Exterior steel surfaces are white metal steel grit blasted with a 2 mil profile (SP-6), then painted metallic silver with high solids polyurethane (4-6 mil dry film thickness)
- Placards: 4 – slide-in placard frames (sides and rear pin on)
- Fire Extinguisher: 1 unit (20 lbs. dry chemical for hydrocarbons)
- Bottom Valve: 6” x 4” high flow 90° air-operated emergency valve with shear section at bottom center
- Discharge Pipe: 4” Aluminum pipe on both sides from neat landing gear to the front. All three ends are fitted with a 4” TTMA flange, butterfly valve, cam lock, and cap.
- Vapor Recovery: 3” air-operated butterfly valve with an air tank and contour pipe to the bottom of the tank; includes a 3” connection at the driver’s side and rear with butterfly valve, cam lock, and cap.
- Reliefs: DOT specification stainless steel pressure/vacuum relief valve located in the spill dam with an air kit and gauge.
- Level Gauge: 2 independent gauges – one electronic level indicator by Garnet and one side-mounted 3 1/2” magnetic float indicator installed on the driver’s side.
- Thermometer: 3” thermometer (up to 250°) installed on the driver’s side.
- Gauge: 60 PSI gauge installed in the vapor recovery line.
- Ladder: Bolt-on ladder to the spill box with a top platform step, installed on the driver’s side.
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