Tow-Behind Generator Advantages: Mobility, Cost & Maintenance

Posted on April 17, 2025

When the power goes out, businesses and job sites need a reliable backup. Enter tow-behind standby generators—mobile powerhouses designed to keep operations running smoothly when the grid fails. But are they the right solution for you?

With their ability to move where needed and provide scalable power, they’re a go-to for industries like construction, marine, and emergency response. Yet, while they solve some problems, they introduce others, such as standby generator costs, maintenance demands, and storage concerns. Before making a decision, let’s break down both the advantages and the drawbacks of these portable workhorses.

Freedom to Move: The Power of Generator Mobility

One of the biggest draws of a tow-behind standby generator is its flexibility. Unlike stationary units, which remain fixed at one site, these mobile generators travel wherever power is needed. That means construction crews, remote work sites, and outdoor events can have electricity on demand.

Disaster relief teams also depend on generator mobility to bring power to affected areas quickly. Whether it’s restoring electricity after a storm or providing power for a temporary field hospital, a tow-behind unit offers unmatched versatility.

For businesses that operate in multiple locations, being able to transport a single generator between sites can be more cost-effective than installing separate backup systems in each location. Instead of investing in multiple units, a single tow-behind model covers the ground as needed.

Fast Setup and Deployment: Plug in and Power Up

Time is money, and in many industries, a power delay can mean a serious loss of productivity. The good news? Tow-behind generators are designed for rapid deployment.

Hooking one up to a truck or utility vehicle is simple, and once on-site, getting it running is often as easy as positioning it, securing connections, and firing it up. This quick setup is a game-changer for industries like film production, outdoor events, or roadwork crews.

Emergency situations also highlight the value of fast power deployment. Generator mobility makes all the difference when hospitals or first responders need backup energy ASAP. Instead of waiting for fuel deliveries or power grid restoration, a tow-behind generator can be on the move and operational in hours.

More Power, More Possibilities

Not all generators are created equal, and one major advantage of tow-behind units is their ability to scale. Whether you need a small unit for light-duty power or a heavy-duty generator capable of supporting an entire facility, there’s a model that fits the job.

Some high-capacity units can even operate in parallel, meaning multiple generators can work together to supply even larger power loads. This flexibility makes them a solid choice for operations that expect fluctuating power needs or growth over time.

From single-phase power for smaller tools to three-phase energy for industrial machinery, these generators can be tailored to meet the demands of different industries. The ability to choose the right capacity for the job at hand ensures you’re never overpaying for excess power or falling short when demand spikes.

Working in Tandem: Tow-Behind Generators and Portable Light Towers

Tow-behind generators are often paired with portable light towers to provide both power and illumination on job sites. This combo is especially valuable for:

Construction zones
Roadwork and utility repairs
Emergency response areas
Outdoor events

Why This Combo Works

Tow-behind generators provide the reliable, mobile power needed to operate light towers, making them ideal for overnight or low-light operations.

Key advantages include:

Mobility – Easily position the generator and tower wherever light is needed most
Efficiency – One generator can often power multiple towers at once
Plug-and-play – Many units include outlets specifically for light tower connections
Quick setup – Reduces downtime and gets crews working faster

Real-World Impact

Construction crews benefit from safer, well-lit job sites during night shifts
First responders can rapidly set up illuminated command posts or medical stations
Event teams can ensure safe, visible environments for attendees

By combining the raw power of a tow-behind generator with the functional lighting of a portable tower, your team gets a fully mobile, high-output system that’s ready to support operations any time, anywhere.

The Flip Side: Weighing Standby Generator Costs

While the advantages are undeniable, tow-behind generators come with costs beyond just the purchase price. Compared to stationary standby units, their price tags tend to be higher due to added features like mobility enhancements, weatherproofing, and reinforced towing systems.

But the initial expense is just the beginning. Ongoing standby generator costs include fuel consumption, routine maintenance, and repairs. Diesel models, for example, can burn through significant amounts of fuel, particularly under heavy loads.

For businesses using generators frequently, fuel efficiency becomes a major factor in long-term operational costs. And when considering transport expenses—like insurance, storage, and potential towing permits—costs can add up faster than expected.

Maintenance Matters: Keeping Your Generator in Top Shape

The ability to move power where it’s needed is great—until something breaks down. Tow-behind generators require consistent upkeep, including oil changes, battery checks, and fuel system maintenance. Because they endure road travel, they’re also subject to wear and tear from vibrations and environmental exposure.

Failing to perform regular maintenance can lead to breakdowns when you need power most. That means investing time and resources into keeping the unit in peak condition.

Beyond mechanical upkeep, these generators must be stored properly. Keeping them outdoors exposes them to harsh weather, while improper storage conditions can lead to fuel contamination, battery drainage, and rust.

Storage and Security: A Logistics Challenge

Unlike permanently installed backup systems, tow-behind generators need a dedicated storage solution when not in use. That means finding space to park them, ensuring they’re protected from the elements, and taking security measures to prevent theft.

Because these units are valuable and highly mobile, they can be a target for thieves if left unsecured. Locking systems, GPS tracking, and storage in secure facilities can help mitigate these risks—but they also add extra costs and planning requirements.

Towing logistics also play a role. Larger generators may require special towing equipment or even a commercial driver’s license (CDL) for transport. Businesses need to factor in whether their existing vehicles can safely tow the generator they choose.

Final Thoughts: Is a Tow-Behind Generator Right for You?

Choosing between a tow-behind and a stationary generator comes down to priorities. If your operation needs reliable power in multiple locations, generator mobility makes these units a smart investment. The ability to deploy power quickly, scale up as needed, and support diverse applications gives them an edge in flexibility.

However, standby generator costs, maintenance needs, and storage logistics shouldn’t be overlooked. While the mobility and power capabilities are major benefits, they come with added responsibilities.

Still unsure if a tow-behind generator is the right fit? Contact Hatton Power & Propulsion today to explore options and get expert guidance on finding the best backup power solution for your needs.

Frequently Asked Questions

How do I choose the right tow-behind generator size?

Consider your total power demand, voltage needs, and the type of equipment you’ll be running. A professional assessment can help determine the best fit.