Mercedes Mullins
Overlanding is an adventurous activity that often involves travelling long distances, and the amount of fuel required depends on various factors. The distance and nature of the terrain are important considerations, as off-road trips can result in lower miles per gallon. The vehicle's fuel economy and tank size are also crucial factors in determining fuel requirements. Some overlanders opt for larger tanks to increase their range, while others carry extra fuel in jerry cans or other containers. Planning for refuelling stops and managing fuel consumption are essential to ensure a successful journey.
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What You'll Learn
The amount of fuel needed depends on the terrain
The amount of fuel you need for an overlanding trip depends on several factors, including the terrain, your vehicle's fuel economy, and the length of your trip.
When it comes to terrain, the type of terrain you'll be driving on will impact your fuel consumption. For example, driving on deep sand and mud can reduce your vehicle's range, as one user reported their vehicle's range dropping from 550 miles on good roads to as low as 450 miles in deep sand and mud. Similarly, driving off-road or on rough trails can also decrease your fuel efficiency, with one user reporting that their vehicle gets 17-23 mpg on asphalt but only 5-6 mpg off-road.
Another factor to consider is the availability of fuel along your route. If you're travelling through remote areas or regions where fuel is scarce or of poor quality, you'll need to carry extra fuel to ensure you don't run out. This could involve carrying multiple jerry cans or investing in a larger aftermarket fuel tank.
The weight of your vehicle and how you drive can also impact fuel consumption. Heavier vehicles or those carrying extra weight may see a decrease in fuel efficiency, and driving at higher speeds can also increase fuel consumption.
Additionally, it's important to consider the weather and road conditions, as these can impact your fuel usage. For example, driving in harsh weather or on muddy roads may require the use of four-wheel drive, which can increase fuel consumption.
To calculate the amount of fuel you need, you can use the formula:
> Anticipated distance / fuel economy = amount of fuel needed
However, it's always a good idea to bring extra fuel to account for unexpected delays or changes in terrain. As a rule of thumb, it's recommended to carry at least 100 miles worth of extra fuel for overland trips.
Remember to choose appropriate fuel containers, such as jerry cans or RotopaX fuel cans, and ensure they are securely mounted to your vehicle to avoid spills or accidents.
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Fuel filtration for gas and diesel vehicles
Fuel filtration is an important consideration for any vehicle, especially when overlanding. Fuel filters help to remove contaminants from the fuel before they reach the engine, which can cause issues such as loss of engine power, low fuel economy, engine misfires, and stalling. Here are some things to consider when it comes to fuel filtration for gas and diesel vehicles in the context of overlanding:
Fuel Filter Types
Fuel filters come in different types, such as inline filters and mounted filters. Inline filters are placed in the middle of the fuel line, while mounted filters can be attached to the gas tank, carburetor, or fuel injector assembly. The shape of the filter depends on its mounting location. Inline filters are typically canister-shaped, while mounted filters can be cartridges or spin-on canisters.
Fuel Filter Lifespan
Fuel filters generally have a long lifespan, with some lasting over 100,000 miles. However, it's important to replace them when necessary to maintain optimal engine performance and fuel efficiency.
Fuel Contaminants
As fuel travels and is stored in different containers, it can be exposed to contaminants such as dirt, paint, rust, water, and other particles. These contaminants can cause issues in the fuel delivery system, leading to decreased performance and potential damage to the engine.
Fuel Filter Selection
When selecting a fuel filter, it's important to choose one that is compatible with your vehicle's fuel type. Diesel engines, for example, have specific filtration needs due to high-pressure fuel injectors and strict emissions regulations. Specialized fuel filtration products are available to protect diesel engines and maintain their performance.
Fuel Filter Maintenance
Changing fuel filters can be a DIY task for experienced individuals. It's important to prevent fuel leaks during the process and to have the appropriate tools for filter removal. Some filters require specialty tools, which can be rented or purchased from automotive stores.
Fuel Range and Jerry Cans
When overlanding, it's crucial to consider the fuel range of your vehicle and plan for refuelling stops or carry extra fuel. The fuel range will depend on factors such as terrain, driving habits, and vehicle efficiency. Many overlanders recommend carrying at least 100 miles worth of extra fuel in jerry cans to avoid running out in remote areas.
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The benefits of electric overlanding
Electric overlanding is an exciting new option for vehicle-based travel. While it may not be for everyone, electric vehicles (EVs) have distinct advantages that target the needs of many adventurers.
One of the most notable benefits of electric overlanding is the significant reduction in service and maintenance costs. Unlike traditional gas-powered vehicles, electric trucks only have one fluid to top off: the windshield washing reservoir. This means fewer fluids to carry and less potential for leaks or spills.
EVs also offer advanced technology integration and near-silent operation. The lack of a traditional engine means more cargo space, and electric motors provide full control over power and torque delivery to the wheels. This can be especially advantageous when navigating challenging terrain. The smooth undercarriage of EVs also acts as a skid plate when off-roading, though damage to the electrical or battery system could be costly.
When it comes to mileage, most electric vehicles have mandated ranges comparable to regular cars. However, careful planning is necessary, as the availability of charging stations along the route and opportunities to plug in during downtimes can impact the overall range.
Solar panels and battery systems can also be utilised to recharge electronics and power accessories like fridges, further conserving the vehicle's battery.
Overall, electric overlanding presents a compelling set of attributes that enhance the overlanding experience, offering a quieter, more efficient, and technologically advanced adventure.
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Gas cans and mounting systems
When preparing for an overlanding trip, it is important to consider how much fuel you will need and how to store it safely. The amount of fuel required depends on various factors, including the length of the trip, the terrain, and the vehicle's fuel economy. As a rule of thumb, it is recommended to carry enough fuel to return to the last place where you refuelled, plus a buffer of about 100 km or miles.
Now, let's discuss gas cans and mounting systems. There are several options for storing extra fuel when overlanding, depending on your budget and preferences. Here are some suggestions for gas cans and mounting systems:
Gas Cans
- Jerry Cans: These are the most common type of gas cans used for overlanding. They are typically made of metal or polyethylene (plastic) and come in various sizes, such as 5-gallon (20-litre) or 10-litre cans. Jerry cans can be purchased from auto parts retailers, gas stations, or online stores. It is important to ensure that the jerry can meets safety specifications, including flame arresters, self-closing lids, pressure relief, and leak-proof features.
- RotopaX Fuel Cells: RotopaX offers mountable fuel cells that can be attached to a vehicle's roof rack or rear rack. The LEGO-like locking shapes of their containers allow for secure stacking and expanding capacity. They come in various colours to differentiate between different types of liquids. However, they can be expensive and may require additional mounting kits.
- Desert Fox Fuel Bladders: These bladders are designed for motorcycle riders but can also be used for overlanding rigs. They offer a soft container that can fit in tight spots and are available in 3, 6, or 20-litre sizes. The 6-litre model is a good balance between size, capacity, and cost. Desert Fox claims their bladders are military-grade and leak-proof.
- MSR Fuel Bottles: MSR fuel bottles are popular among motorcycle riders and overlanders due to their all-steel construction and completely sealable caps. They are available in sizes from 11 to 30 ounces (850 ml) and can provide an extra 20 to 30 miles of riding distance.
- NATO Cans: NATO cans are another option for storing fuel, and they come with various mounting options, such as a rear swing-out tire carrier or a roof rack. Wavian is a well-known brand that offers sealed NATO cans made in Latvia, but they can be more expensive.
Mounting Systems
- Roof Rack: Gas cans can be mounted on a vehicle's roof rack using a basket or ratchet straps. This option provides easy access to the fuel but adds weight to the top of the vehicle, which may affect handling.
- Rear Rack or Bumper: For motorcycles or vehicles with rear racks, fuel cells or gas cans can be mounted securely. This option keeps the weight lower but may be more vulnerable to crashes or impacts.
- Undercarriage: Some vehicles may have space under the body to mount fuel tanks or gas cans. This option keeps the weight low and centralised but may require custom installations.
- Custom Mounting: Depending on your vehicle and preferences, you can fabricate custom mounts using steel or aluminium angles bolted to the rack and secured with straps. This DIY approach can be cost-effective but may require some creativity and craftsmanship.
Remember, transporting fuel comes with risks, so it is crucial to prioritise safe handling and storage. Always secure your fuel containers properly to prevent spills, and ensure they meet the required safety specifications.
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The risks of transporting fuel
The amount of fuel needed for overlanding depends on the length of the trip, the terrain, and the vehicle's fuel economy. For example, a trip through the western US desert may require enough fuel to travel 150 miles, while a trip through Africa may require a range of 550 miles on good roads and 450 miles in deep sand and mud. Some general rules of thumb are to carry at least 100 miles' worth of extra fuel and to always have at least 5 extra gallons.
Transporting fuel comes with several risks and requires adhering to safety guidelines. Fuel is considered a hazardous material, and drivers need special certifications when transporting large amounts. The risks of transporting fuel include:
- Health and safety risks – Radiation exposure is a risk when transporting nuclear fuel, which can impact both workers and members of the public near transport routes.
- Environmental harm – Accidents or spills during transport can cause environmental damage.
- Weight shifting – Liquid fuels can move around inside their containers, causing a dangerous shift in weight.
- Inadequate handling and storage – Drums containing fuel should be properly braced, tied down, and transported upright to avoid rolling. Bladders used for transporting fuel should be properly braced, secured, and rated for mobile transport.
- Unsafe transportation methods – Fuel should be transported along the safest routes, avoiding cities and inhabited settlements. National and local regulations should be followed, and staff and drivers should be instructed on proper transport methods.
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Frequently asked questions
This depends on the length of your trip, your vehicle's fuel consumption, and the availability of fuel on your route. As a rule of thumb, carry at least 100 miles' worth of extra fuel.
First, calculate your vehicle's fuel consumption (in miles per gallon). Then, divide the anticipated distance of your trip by the fuel consumption. For example, if your vehicle gets 5 miles per gallon and you're travelling 100 miles, you'll need 20 gallons of fuel.
The most common method is to use a "jerry can", a type of fuel can developed for the military during World War 2. Jerry cans are typically made of metal or plastic, with a capacity of around 5 gallons. They can be mounted on a vehicle's roof rack or bumper, or carried in the trunk.
Yes, there are a few alternatives. RotopaX offers a modular system of smaller, stackable plastic fuel cans that are easier to carry and store than traditional jerry cans. For motorcycles, mountable fuel cells or "fuel bottles" that strap to the bike or tuck into saddlebags are also options.
