Recommended Used Diesel Trucks for Towing

When the summer season arrives, many camping enthusiasts ask themselves the same question: is my vehicle really strong enough to pull my camper? When talking about a small pop-up camper or a lightweight trailer, many SUVs or full-size pickup trucks can get the job done. But as soon as you are dealing with a large travel trailer, a fifth wheel, or a model loaded up for family vacations, choosing the right truck becomes a much more serious matter.

This is where used diesel trucks become particularly interesting. Their high torque, robustness, stability, and ability to perform under load make them ideal partners for long trips, hilly roads, and fully loaded vacation departures. However, you still need to choose the right model, the right configuration, and above all, not rely solely on the towing capacity figure displayed in an advertisement.

Why choose a diesel truck for towing a large travel trailer?

A diesel engine is renowned for its high torque at low RPM. When towing, this is a major advantage because the truck can move a heavy load without constantly revving high. When you accelerate on a highway on-ramp, climb a hill in the Laurentians, or cross more rolling terrain, this reserve of torque provides a more natural feeling of control and power.

Diesel is also appreciated for its ability to maintain a stable speed with a significant load. A good diesel truck isn’t just for “pulling hard” at the start. It must also maintain its composure over several hours, handle grade changes, and limit excessive strain on the transmission.

Another important advantage is the frequent presence of an engine brake or exhaust brake on several heavy-duty (HD) diesel models. When driving downhill, this technology helps slow down the truck and the trailer without relying solely on conventional brakes. For a large travel trailer, especially on long trips or in mountainous areas, this is an element of comfort and safety that should not be overlooked.

That being said, diesel is not automatically the best choice for everyone. If you mostly do short city trips and rarely tow, the maintenance of a modern diesel engine can be more expensive than a gas engine. On the other hand, if you frequently tow a heavy trailer, travel far in the summer, and want a truck built to work, diesel becomes a very logical option.

Used diesel models to consider

Here is an overview of the main used diesel trucks to consider for towing large travel trailers.

This table gives a good idea of which models to look at, but it does not replace a precise check of the specific truck. Two vehicles of the same model can have different capacities depending on the cab, bed, year, differential ratio, options, and towing package. Before buying, it is therefore necessary to validate the figures for the exact vehicle, not just those of the model lineup.

2500 or 3500: which one to choose for your trailer?

For many large conventional trailers, a well-equipped 2500 diesel truck can do the job beautifully. The Ford F-250, Ram 2500, Chevrolet Silverado 2500 HD, and GMC Sierra 2500 HD generally offer a great combination of power, stability, and comfort. They are also a bit easier to live with on a daily basis than a 3500 truck, especially if you also use it for work, errands, or family commutes.

The 3500 truck becomes more appealing when the trailer is very heavy, very long, or when dealing with a fifth wheel. Its superior payload capacity allows it to better manage the weight transferred onto the truck. It is often this data point, more than the advertised towing capacity, that makes the difference in a serious purchase.

Dual-rear-wheel models (duallies) offer even more stability. They are highly appreciated for massive fifth wheels or large setups used regularly over long distances. Their disadvantage is that they are wider, less practical in the city, and sometimes less pleasant in tight parking spaces.

The goal isn’t just to be able to pull the trailer. You also need to be able to brake, control, stabilize, and travel with a good safety margin. For camping, this margin is important because weight adds up fast once the vehicle and trailer are loaded.

The figures to check before buying

Before choosing a used diesel truck, several data points must be verified. Maximum towing capacity often grabs people’s attention, but it doesn’t tell the whole story. A truck can advertise an impressive capacity while having a payload limited by its options or configuration.

The main specifications to look at are:

• the actual towing capacity of the truck;
• the available payload capacity;
• the Gross Vehicle Weight Rating (GVWR);
• the Gross Combined Weight Rating (GCWR);
• the tongue weight of the trailer;
• the actual weight of the trailer once loaded;
• the hitch capacity;
• the presence of a brake controller;
• compatibility with a fifth-wheel hitch, if necessary.

Tongue weight is often underestimated. A conventional trailer transfers a portion of its weight to the rear of the truck. A fifth wheel transfers even more weight into the truck bed. If the truck is already filled with passengers, tools, luggage, and accessories, that margin can disappear quickly.

This is why you need to shop with the right information. Simply knowing the dry weight of the trailer is not enough. You also need to account for water, propane, batteries, food, bicycles, chairs, storage boxes, and everything else that gets added before heading out on vacation.

Ford F-250 and F-350 Super Duty Power Stroke

The Ford Super Duty is a staple in the used diesel truck market. Versions equipped with the 6.7L Power Stroke engine are renowned for their power, high torque, and impressive towing capacities. For campers who want to pull a large trailer with confidence, the F-250 and F-350 are two models to consider seriously.

The F-250 diesel can be an excellent choice for a heavy conventional trailer, especially when the truck features the right towing package. It offers a relatively civilized ride for an HD truck while having the structure needed to work. However, you must pay close attention to the payload capacity, which can vary considerably depending on the trim level and options.

The F-350 becomes more appealing when the trailer is very heavy or when dealing with a fifth wheel. Its superior payload capacity allows it to better absorb the weight on the hitch. In a single-rear-wheel version, it remains relatively versatile, while the dual-rear-wheel version is aimed more squarely at large camping setups.

On the used market, it is important to check the service history, the condition of the diesel system, the brakes, suspension, transmission, and signs of heavy use. A Super Duty that has towed heavy loads for several years can still be an excellent truck, but only if it has been well maintained. A complete inspection is therefore essential before buying.

Ram 2500 and Ram 3500 Cummins

The Ram 2500 and Ram 3500 diesel are highly popular among towing enthusiasts. Their 6.7L Cummins engine is recognized for its torque and ability to perform under load. For campers who want to pull a large trailer with confidence, these models clearly deserve consideration.

The Ram 2500 diesel is interesting for heavy conventional trailers. It often offers good ride comfort and pleasant driving dynamics for an HD truck. However, you must monitor the payload capacity, especially if the trailer is heavily loaded or if the truck is carrying multiple passengers.

The Ram 3500 is more appropriate for fifth wheels and very heavy loads. Its superior capacity allows it to better absorb the weight transferred into the bed. In a dually version, it becomes an excellent choice for large camping setups.

It is wise to be cautious with modified diesel trucks. For family towing, a compliant and well-maintained truck is generally a better choice than a vehicle modified for performance.

Chevrolet Silverado 2500 HD and 3500 HD Duramax

The Chevrolet Silverado HD equipped with the Duramax engine is another safe bet for towing. The pairing of the Duramax and a robust automatic transmission has built a solid reputation over the years. For campers looking for a stable, powerful, and pleasant truck on the road, the Silverado 2500 HD and 3500 HD are models to watch.

The Silverado 2500 HD diesel is well suited to large-sized conventional trailers. It offers good power, stable handling, and useful towing technologies depending on the year and version. For many families, it represents an excellent compromise between capability, comfort, and ease of use.

The Silverado 3500 HD becomes more relevant when the trailer is very heavy, when the weight on the hitch is high, or when you want to pull a fifth wheel. As with other trucks in this category, dual-rear-wheel versions offer superior stability. They are less practical for city driving but highly efficient for major camping trips.

The Sierra is often perceived as a more premium version of the Silverado. This is great for comfort, but it’s important to remember that highly equipped versions can be heavier. The heavier the truck itself is, the less payload capacity remains available for passengers, luggage, and trailer tongue weight.

1500 Diesel Trucks: An Option to Consider with Caution

Certain 1500 diesel trucks can be interesting for camping. Examples include the Ram 1500 EcoDiesel or the Chevrolet Silverado 1500 and GMC Sierra 1500 with the 3.0L diesel engine. They often offer good fuel economy, good comfort, and easier daily driving than an HD truck.

On the other hand, for a large travel trailer, they are not always the best choice. Their towing capacity may look attractive, but their payload capacity is generally more limited. Once passengers, gear, the hitch, and tongue weight are added, you can reach the limits much faster than expected.

Therefore, they may be suitable for a lighter trailer or occasional use. For a large family trailer, frequent trips, or long journeys, a 2500 or 3500 diesel truck generally remains more reassuring.

Equipment that makes a real difference

A powerful diesel truck is a good start, but the right towing equipment changes the experience entirely. An integrated brake controller is almost indispensable for a large trailer. It allows for better modulation of the trailer’s brakes and improves stability during deceleration.

Towing mirrors are also very important. They improve visibility around the trailer, especially during lane changes, tight turns, and reversing maneuvers. Backup cameras and hitch assist systems can also simplify departure preparation.

A weight distribution system can be useful with certain conventional trailers. It helps better distribute weight across the axles and improves the stability of the entire setup. For a fifth wheel, the hitch installation in the bed must be solid, professional, and compatible with the truck.

Points to inspect before buying a used diesel truck

Before buying a used diesel truck for towing, a mechanical inspection is crucial. The engine should start easily, run without abnormal smoke, and show no significant leaks. An electronic scan can also reveal error codes, intermittent problems, or anomalies related to the emissions system.

The transmission must be checked with care. Towing puts a lot of strain on this component, especially if the truck has pulled heavy loads for several years. Gear shifts should be smooth, and the fluid should not have a burnt smell.

Brakes, suspension, and steering are just as important. A large travel trailer adds weight, inertia, and stress to the entire vehicle. Worn discs, tired shock absorbers, noisy bearings, or play in the steering can compromise stability.

Also inspect the chassis, the bed, anchoring points, the hitch, and signs of corrosion. In Quebec, salt and winter can leave a significant mark on trucks. A truck that looks clean on the outside can hide structural rust under the bed or around the mounts.

Conclusion: the right diesel truck depends on your trailer

The best used diesel trucks for towing a large travel trailer are generally the HD models from the major brands: Ford Super Duty Power Stroke, Ram HD Cummins, Chevrolet Silverado HD Duramax, and GMC Sierra HD Duramax. Each has its strengths, but the right choice depends primarily on your trailer, your actual load, your travel habits, and the precise configuration of the truck.

At Entrepôt Auto Durocher, we know that shopping for a truck intended for towing is not like shopping for a simple daily vehicle. You have to look at the numbers, ask the right questions, and make sure the vehicle truly matches your needs. Our team can guide you in comparing available models, understanding capacities, and choosing a reliable, safe used truck tailored to your camping plans.

Find a truck capable of keeping up with your summer

Whether you are preparing for a weekend getaway or a long camping trip, our team can help you find a used truck adapted to your trailer, your budget, and your projects.

See inventory