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Writer's pictureDavid Silverberg

The Pros and Cons of Diesel Engines for Food Trucks


Investing in a food truck requires you to consider specific automobile features to help optimize your business. When deciding on a food truck to purchase for your business, it’s important to examine if there is a diesel or gasoline engine powering it. If you’re exploring refrigerated vehicles for sale, the option between a gasoline or diesel engine can help define the best choice for your budget and performance needs. Explore the pros and cons of diesel engines for food trucks to help you make the most economical and efficient power source for your food truck business.


Diesel Engine Pros


  • Better Mileage

Diesel engines have superior mileage to gasoline engines. Diesel engines deliver up to triple the amount of fuel economy than gasoline engines. Diesel engines deliver as much—if not more—fuel economy than gasoline engines. A gasoline-powered car requires an overhaul when exceeding two hundred thousand miles, whereas a diesel engine can run up to a million before needing repairs. Better mileage on your food truck vehicle ensures more delivery routes without exceeding budget limits on your food truck business.


  • Energy-Efficient

Diesel fuel is one of the most energy-efficient fuels available on the market. Diesel engines utilize more energy than gasoline engines which contributes to their superior fuel economy. Diesel fuel guarantees your food truck will go through more miles per gallon. A diesel-powered vehicle can travel from twenty to thirty percent more miles per gallon than gasoline-powered vehicles. Diesel fuel engines are ideal for long-haul vehicles and require fewer stops for fuel, which extends the driving period of your food truck and optimizes business productivity.


  • No Tune-Ups

Diesel engines require a different startup process than gasoline or electric-powered vehicles. Diesel engines don’t require ignition tune-ups because they don’t have spark plugs or distributors. The fuel inside of a diesel engine ignites from elevated air temperature instead. The diesel engine’s cylinders are elevated from the mechanical compression. Gasoline-powered vehicles require spark plugs and the cost of maintenance that’s needed to keep them operating. Standard tune-ups are an expensive maintenance procedure that you can save your food truck business from with a diesel engine.


  • Increased Torque

The torque inside of a vehicle is the rotational force applied to the combustible engine. Torque is a force that acts on the body of a vehicle through a lever to allow exertion. Trucks, SUVs, and other large vehicles opt for diesel engines for the towing capacities permitted by an increased torque. A diesel engine provides an increased torque that allows your food truck to have a more powerful startup between driving and stopping. An increased torque allows a vehicle to haul heavy objects without difficulty. A gasoline-powered car won’t easily tow a hefty load unless it is lighter than the vehicle itself. A food truck hauls the entirety of your business, which means it’s important that its towing capacity is efficient for harboring the weight of your supply.


Diesel Engine Cons


  • High Price Tag

Diesel is a more expensive source of fuel than premium gas. The fuel source of your food truck business relies on frequent trips to the pump, and the diesel price tag can exceed the budget in place for your food truck business. Not all fuel stations offer diesel, which means you can run low on supply if your food truck is traveling for long distances.

The high price tag of diesel fuel also includes the cost of maintenance and mechanical repairs. If a part on your food truck need replacing, car dealers who have more expensive mechanical services can provide your vehicle with professional care.


  • High Maintenance

Diesel-powered vehicles require less maintenance than gas-operated vehicles, but the price tag of the maintenance required is steeper. While a diesel-powered food truck saves you from ignition tune-ups, the diesel engine itself requires frequent maintenance.

The standard maintenance to upkeep for a diesel-powered vehicle is oil changes, filter replacements, and thorough cleanings of the water separator. If your diesel-powered food truck breaks down, the repairs are more costly than fixing a standard gasoline-powered vehicle.


  • Higher Noise Levels

Diesel vehicles are notorious for being loud and rough sounding due to the original design. Gasoline-powered and electric vehicles run with minimal sound and are less off-putting than the chaotic noises of diesel vehicles. Modern technology has advanced the diesel engine to reduce loud noises, but gasoline-powered and electric vehicles continue to surpass it.

The high noise levels of your food truck can interfere with business as it can sound disruptive and less appealing to potential customers. If your truck is operating while doing a business transaction, the noise can deter the customer experience. The loudness of a diesel engine can also make it harder to detect mechanical issues in your food truck while it is running.


  • Decreased Horsepower

The price of an increased torque on a diesel-powered vehicle is the reduction in horsepower. The horsepower is a unit of measurement on a vehicle that refers to the output of the engine. It’s important for your food truck to have a sufficiently powered engine to maintain pace throughout deliveries and extended transportation.

While the towing capacity is strong on a diesel-powered vehicle, the speed power and ability to maintain speed decreases. The decreased horsepower is a major reason why diesel-powered vehicles are not conducive to everyday driving. If you’re considering using a diesel-powered vehicle as your food truck, consider if the towing capacity exceeds the importance of speed power for your business.


It’s important to understand the pros and cons of diesel engines for food trucks when choosing which kind is best to power your mobile food truck business. Commercial truck manufacturers continue to improve diesel technology to meet the needs of different industries. Selecting the right kind of food truck for your business relies on the quality of the power source and what it requires to maintain as a business owner.


As always, we at Lektra Services value your feedback on our blog topics, particularly if there are any unanswered questions or topics you'd like to see covered in future posts. Your input helps us tailor our content to better serve your needs. And we are always happy to share information we gather from fellow industry professionals here to help you along on your journey!

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