5 Best RV Generator Diesel Models: Your Ultimate Guide

RV generators are crucial for powering appliances in your RV. Diesel models like the Generac 6864 offer robust performance and durability. Regular maintenance and proper ventilation are key for safe and efficient operation.

Powerful portable gas or diesel generator to provide electricity. Standing on the grass

The world of recreational vehicles (RVs) is vast and varied, with countless options and features to consider when purchasing or upgrading.

One of the most critical components of any RV setup is the generator.

An RV generator plays an instrumental role in powering the appliances and systems within your RV, thus making your camping experience much more comfortable and convenient.

From keeping your refrigerator running to ensuring you have enough power to run the air conditioning or heat, a reliable generator is a must-have for any RV owner.

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Types of RV Generators

Built-in RV Generators

Built-in RV generators are typically found in larger RVs and motorhomes.

These types of generators directly draw fuel from the RV’s fuel tank, offering convenience and seamless integration with the vehicle.

Diesel, propane, and gas are common fuel types for built-in RV generators, with diesel being a popular choice due to its efficiency and power output.

Portable RV Generators

Working gasoline generator outdoors in winter

Portable RV generators are smaller, standalone units that can be moved around as needed. These are often used by owners of smaller RVs, DIY van conversions, and pop-up campers.

While they offer flexibility and portability, these generators may not provide as much power as their built-in counterparts.

Recommended Diesel RV Generators

Generac 6864 XD5000E 5000-Watt Diesel-Powered Portable Generator, 50-State / CARB Compliant, Reliable Power for Demanding Applications

When it comes to diesel generators, the Generac 6864 Portable Generator stands out as the best overall option.

Despite its hefty weight of 254 pounds, it offers robust performance, a sturdy frame design, and an integrated lifting eye for easy maneuvering and secure attachment.

Other noteworthy mentions include the Cummins Onan QG 2800 for built-in generators and the DuroMax XP4400E for high-powered needs.

Life Expectancy of Diesel RV Generators

A gasoline generator is used in the forest to generate electricity.

Factors Affecting Generator Life Span

Several factors influence the lifespan of a diesel generator.

These include the quality of the generator, how often it’s used, the conditions it’s used in, and how well it’s maintained.

Regular maintenance, such as changing the oil and filters, checking for leaks, and running the generator periodically even when not in use, can significantly extend a generator’s life expectancy.

Maintaining Your Generator for Longevity

Regular preventive maintenance is crucial for prolonging the lifespan of your generator.

This includes routine tasks like changing the oil and filters, checking and replacing worn parts, and running the generator regularly to prevent stagnation and build-up.

Remember, a well-maintained generator not only lasts longer but also performs reliably and efficiently.

How Long Can You Run a Diesel RV Generator Safely?

Proper Ventilation for Safety

Safety should always be a priority when operating a diesel RV generator. One critical aspect of this is ensuring proper ventilation.

Diesel generators produce exhaust fumes which, if not properly vented, could pose a potential carbon monoxide risk.

It’s also essential to install your generator away from windows, doors, and other openings in your RV to keep fumes outside where they belong.

Fuel Requirements and Running Time

Portable Mobile Diesel Alternator as a Backup Power Source for Electric Home Appliances

Diesel generators are known for their efficiency and long run times.

However, the exact duration will depend on the generator’s size, the load it’s under, and the fuel tank’s capacity.

For example, a Cummins Onan diesel generator uses about one-third of a gallon of fuel per hour under full load, allowing for approximately 60 hours of operation before needing to refuel.

Considerations for Extreme Weather Conditions

Extreme hot or cold weather can affect a generator’s performance and safety.

In hot conditions, the generator may run hotter than usual, increasing the risk of overheating.

Meanwhile, cold weather can make starting the generator more challenging and may necessitate the use of a block heater or other warming device.

Always consult your generator’s manual for specific weather-related advice and precautions.

Selecting the Best RV Generator

Determining Power Needs

Before purchasing an RV generator, it’s important to assess your power needs.

Consider all the electrical devices and systems you’ll be running simultaneously and add up their total wattage.

This will give you an idea of the minimum power output you’ll need from your generator.

Size and Space Considerations

Physical size and space availability are also important considerations.

A generator needs adequate space for installation and ventilation, so be sure to check the dimensions of potential models against your RV’s available space.

Also, keep in mind that larger generators tend to be heavier, which could affect your RV’s weight distribution and fuel economy.

The Cost of Diesel vs. Gas

While diesel generators are generally more expensive upfront than their gasoline counterparts, they can be more cost-effective over time thanks to their superior fuel efficiency and longer lifespan.

However, fluctuating fuel prices can affect this equation, so it’s worth keeping an eye on current trends.

Importance of Brand Reputation and Warranty

Finally, don’t overlook the importance of brand reputation and warranty coverage.

Reliable brands like Generac, Westinghouse, and CumminsOnan have established themselves as leaders in the RV generator market, offering dependable products backed by solid warranties.

Investing in a reputable brand can provide peace of mind and ensure that you receive quality customer support if any issues arise.

Operating and Maintaining Your RV Generator

Familiarizing Yourself with the Owner’s Manual

Every RV generator comes with an owner’s manual that contains crucial information regarding its operation and maintenance.

Take the time to thoroughly read and understand the manual, as it will guide you on how to start, stop, and maintain your generator properly.

Regular Maintenance Tasks

Regular maintenance is essential for keeping your RV generator running smoothly.

Some key maintenance tasks include changing the oil and filters, inspecting and cleaning the air intake system, checking for leaks or loose connections, and testing the battery.

Following the manufacturer’s recommended maintenance schedule will help prevent breakdowns and extend the life of your generator.

Changing the Oil

One critical maintenance task is regularly changing the oil in your generator. This helps to keep the engine lubricated and running efficiently.

Refer to your generator’s manual for guidance on oil type, recommended intervals for oil changes, and proper disposal methods for used oil.

General Upkeep

In addition to regular maintenance tasks, be sure to keep your generator clean and free from debris.

Inspect the exhaust system for any signs of damage or leaks. It’s also a good idea to periodically check fuel lines and connections for any signs of wear or deterioration.

Eco-friendly Practices in RV Generator Usage

Caucasian Man Firing Up Gas Powered Portable Inverter Generator To Hook Up His Camper Van During Off Grid Wild Camping.

Using Inverter Generators

Inverter generators are an excellent option for eco-conscious RV owners.

These generators produce clean and stable power, making them more fuel-efficient and environmentally friendly.

They also tend to be quieter, which is a bonus for both you and your camping neighbors.

Supplementing with Solar Panels

Portable solar photovoltaic panel, charging battery at camper car rv.

Another eco-friendly option is to supplement your generator usage with solar panels.

Solar power can help reduce your reliance on the generator during daylight hours, allowing you to conserve fuel and reduce emissions.

Solar panels are especially useful when boondocking or camping in locations with ample sunlight.

Installing an Energy Management System

An energy management system can help optimize your RV’s power usage, ensuring that you’re using electricity efficiently and minimizing waste.

These systems can monitor and control the flow of electricity to different appliances and systems, maximizing your generator’s output and reducing overall energy consumption.

Safety Tips and Precautions

Maintenance Mechanic Inspecting or checking the generator. Man checking engine oil in generator, cleaning oil dipstick, measuring oil level

Ensuring Proper Ventilation

Proper ventilation is crucial when operating any type of generator, including diesel RV generators.

Always ensure that your generator is installed in a well-ventilated area, away from windows, doors, and living spaces.

Consider installing a Gen-turi exhaust venting system to redirect exhaust fumes away from your RV and prevent carbon monoxide buildup.

Grounding Your Generator

Grounding your generator is an essential safety measure that helps protect against electrical shocks.

Follow the manufacturer’s instructions for proper grounding and use a grounding rod or grounding wire as recommended.

Regularly inspect the grounding connections to ensure they remain secure and intact.

How long can I run my RV diesel generator?

The running time of an RV diesel generator depends on various factors, including the generator’s size, load capacity, and fuel tank capacity.

On average, a diesel generator can run for several hours to a few days continuously before requiring a fuel refill.

However, it’s crucial to refer to your specific generator’s specifications and follow the manufacturer’s guidelines for safe and optimal operation.

What are the negatives of diesel generators?

While diesel generators offer many benefits, they do come with a few drawbacks. One of the main concerns is the occasional odor emitted by diesel motors.

Additionally, diesel generators can be louder than propane generators in some cases.

However, advancements in generator technology have significantly reduced noise levels and emissions, making modern diesel generators more efficient and environmentally friendly.

What size generator is recommended for an RV?

The size of the generator you need for your RV depends on your power requirements.

To determine the appropriate size, calculate the total wattage of all the appliances and systems you’ll be running simultaneously.

This will give you an estimate of the minimum power output you’ll need from your generator.

It’s always better to choose a slightly larger generator to accommodate any potential power surges or additions in the future.

How much diesel does an RV generator use?

The fuel consumption of an RV diesel generator varies depending on its size, load capacity, and usage.

On average, a diesel generator can consume approximately one-third of a gallon of fuel per hour under full load.

This translates to around 60 hours of continuous operation before needing to refuel.

Keep in mind that actual fuel consumption may vary based on factors such as generator efficiency, load fluctuation, and individual driving conditions.

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