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Brown Davis 20 Gal Auxiliary Long Range Fuel Tank for 2007-2018 Wrangler JK
The Brown Davis 20 Gallon Auxiliary Long Range Fuel Tank for the Jeep Wrangler JK (4 door) is the ultimate upgrade designed to tackle a drawback of these vehicles—their mediocre factory fuel capacity. With a standard main tank of just 22.5 gallons, Jeep Wranglers can be limited in range, especially when modified with larger tyres and higher suspension. The Brown Davis auxiliary tank solves this problem by adding 20 gallons of additional capacity beneath the middle of the vehicle. This additional auxiliary fuel tank almost doubles your total fuel supply to an impressive 42.5 gallons, transforming the Wrangler’s over-landing ability and allowing you to travel further between fuel stops, making it ideal for long-distance road trips, towing, or exploring remote regions where fuel availability is scarce. This system utilises a transfer fuel pump to deliver fuel from the Brown Davis Auxiliary tank to the vehicle’s main tank, which is activated via a dash mounted fuel gauge pump button. Seamlessly integrated into the vehicle without compromising ground clearance or off-road capability, this auxiliary tank gives your Wrangler the range it deserves while retaining the off-road capability it’s famous for. With Brown Davis, you can finally match your Wrangler’s capability with the fuel endurance needed to go anywhere.
SPECIFICATIONS / FEATURES
PART NUMBER: JWJKA2
TANK TYPE: AUXILIARY
CAPACITY: 20 GALLON
FILLER POINT: STANDARD
FUEL SUPPLY METHOD: TRANSFER PUMP TO MAIN FUEL TANK
TANK LOCATION: BENEATH MID VEHICLE
FITTING TIME: APPROX 5.5 HOUR/S
MODIFICATIONS: RELOCATE CHARCOAL CANISTER – BRACKET SUPPLIED
FUEL TRANSFER SYSTEM
This system is designed to pump the fuel from the Brown Davis auxiliary fuel tank into the vehicles standard fuel tank. At the flick of a switch fuel will be pumped into your vehicles standard tank to then be feed to the engine. An LED gauge is supplied to show driver the fuel level of the auxiliary fuel tank at all times. When the auxiliary tank becomes empty an automatic alarm will sound to tell driver to switch pump system off. This prevents pump from continuously running which can course pump failure. All parts and hardware for install are supplied
Fuel pumps burning out is now a thing of the past. Brown Davis has developed a new auxiliary fuel tank gauge, switch and buzzer unit to be supplied with most Brown Davis auxiliary transfer fuel tanks. the small unit is no bigger then a 10 cent coin and can be mounted nicely in vehicles dashes.
TANK FULL
FUEL NOT TRANSFERRING
The LED Gauge will show the auxiliary tank’s fuel level at all times, even when the pump is not running.
TANK FULL
FUEL TRANSFERRING
When the button is pressed, the fuel pump will commence transferring fuel from the auxiliary fuel tank to your vehicles main fuel tank. The round yellow LED light indicates that the pump is running.
TANK HALF FULL
FUEL TRANSFERRING
As fuel is being transferred from the auxiliary to the main fuel tank, the LED light will indicate the fuel level remaining within the Brown Davis auxiliary fuel tank. At any stage, the fuel pump activator button on the gauge can be pressed to stop the transfer of fuel.
TANK EMPTY
FUEL TRANSFERRING
When the auxiliary fuel tank is empty, a buzzer will sound prompting the driver to turn the fuel pump off. This is designed to prevent the fuel pump from any damage and increase its longevity.
FUEL CAPACITY / DRIVING RANGE COMPARISON
| FUEL CONSUMPTION (19.9MPG) | FUEL CAPACITY INCREASE (%) | |
| 22.5 GAL STANDARD TANK | 447 Miles | – |
| 42.5 GAL NEW total capacity: 22.5 GAL main tank + 20 GAL Brown Davis Long Range Tank | 845 Miles | 88.9% |
Whilst every effort has been made to ensure these figures are accurate vehicles may vary. Vehicles should never be pushed to the point of running out of fuel as it may harm your vehicles engine.
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