Do you need dependable power that can move with your business or job site?
Look no further than the mobile diesel generator industry. The mobile diesel generator market valued at $16.36 billion in 2023 is booming for good reason.
Whether you’re powering a remote construction site, providing emergency backup power, or running outdoor events… mobile diesel generators have you covered.
But with so many options on the market, it can be tough to know how to choose the right one. That’s where this guide comes in. We’ll cover everything you need to know to select the perfect mobile diesel generator for your specific needs.
Here’s what you can expect to learn:
- Mobile Diesel Generator Basics
- Factors That Determine the Right Generator for You
- Sizing and Power Requirements
- Fuel Efficiency and Runtime
- Portability and Mobility Features
- Maintenance and Reliability Considerations
Mobile Diesel Generator Basics
Mobile diesel generators are, as the name implies, portable generators that run on diesel fuel.
Unlike stationary generators, these are designed to be moved from place to place and set up quickly.
So what makes them so special?
Well, a quality mobile diesel generator gives you the reliable power you need exactly when and where you need it.
Whether you’re running a remote construction project, providing backup power during an outage, or supplying power for an outdoor event, these generators will keep things running smoothly.
The best part? Diesel fueled portable generators accounted for 5.5% market share in 2024, but they’re the most popular choice for off-grid power applications, disaster relief, and construction sites.
Here’s why…
When you need power for long periods of time (hours or even days), diesel generators outperform gasoline powered options in almost every category that matters.
Factors That Determine the Right Generator for You
When it comes to mobile diesel generators, one size does not fit all.
Before you make a purchase, it’s important to consider several factors in order to determine which generator is best suited for your needs.
These include things like power requirements, runtime needs, mobility requirements, environmental conditions, and of course budget constraints.
Construction companies are one of the biggest users of mobile diesel generators. That’s because construction projects of all sizes require reliable power for lighting, tools, temporary facilities and more.
Mobile diesel generators have become an indispensable part of construction operations as a result.
But here’s the thing…
Most people focus on maximum power output when selecting a generator. But this is a waste of money and energy.
Instead, match generator capacity to actual power needs as closely as possible.
Sizing and Power Requirements
Generator sizing is one of those things that often gets overlooked. But it’s important to get it right in order to save money and improve fuel efficiency.
The truth is, most people overestimate their power requirements by 30-40%.
The easiest way to calculate power needs is to start by making a list of everything you need to power simultaneously.
Add up the wattage requirements of all these devices, then multiply by 1.25 to account for startup surges and future expansion.
This gives you a ballpark figure for minimum generator size requirements. Here are some common power ranges to give you an idea of where your needs might fall:
- 5-25 kW: Great for small construction crews, food trucks, or backup home power
- 25-100 kW: Perfect for medium sized construction sites, events, or commercial applications
- 100-500 kW: Heavy-duty for large construction projects, industrial equipment or large events
- 500+ kW: For major industrial or municipal scale applications
The key is to match generator capacity to actual power requirements as closely as possible. Oversizing wastes money and fuel…undersizing results in equipment damage and downtime.
Fuel Efficiency and Runtime
If you’ve ever wondered why diesel generators are the preferred choice for long-term operations, it’s all down to fuel efficiency and runtime.
Modern diesel engines can run 8-12 hours straight on a single tank of fuel. Some larger units can operate for 24 hours or more without refueling.
Compare that to gasoline generators that typically need refueling every 6-8 hours or so and the math speaks for itself.
For jobs where you can’t constantly monitor and refuel the generator, diesel wins every time.
Diesel fuel is also safer to store and transport than gasoline. It’s less volatile, has lower flammability risk, and longer shelf life.
For applications like emergency preparedness, off-grid power, or remote sites, diesel is ideal.
Portability and Mobility Features
Not all “mobile” generators are created equal. In fact, some units require specialized transport equipment while others can be towed behind a standard pickup truck with no problem.
Important mobility features to consider include:
- Trailer-mounted generators – Best for frequent transport between job sites
- Skid-mounted units – Great for semi-permanent installations that require occasional relocation
- Containerized units – Ideal for remote locations or harsh environments
- Towable units – Perfect for contractors who work at multiple sites
The portable generator segment is the fastest growing, driven by demand in construction projects, mining operations, and medical industry applications thanks to construction projects, mining operations, and medical industry demand.
The reason being, modern mobile diesel generators include features like lifting points, heavy duty wheels, and weather resistant enclosures that make them practical and usable in real-world settings.
Maintenance and Reliability Factors
Did you know diesel generators actually require less maintenance than gasoline powered units?
Diesel engines run at lower RPM, which reduces wear and tear and extends the life of components
They also have fewer ignition parts that can fail. Basic maintenance includes regular oil changes, air filter replacement, fuel filter changes, and coolant system maintenance.
The industrial sector leads demand for diesel generators due to reliability needs for mission critical operations.
Look for manufacturers that offer comprehensive service networks and extended warranties to protect your investment.
But here’s a kicker…
Poor maintenance is the number one cause of generator failure. Performing the service schedule recommended by the manufacturer isn’t optional if you want reliable operation.
Making the Smart Choice
The best way to choose the right mobile diesel generator is to understand your specific requirements and match them to the capabilities of available equipment.
Start by accurately calculating your actual power needs, then factor in runtime requirements, mobility needs, maintenance and service support, and finally choose a reputable manufacturer with proven reliability.
A little research upfront can save you a lot of headaches down the road.
Remember, a quality unit from a trusted manufacturer usually costs less in the long run thanks to better fuel efficiency, lower maintenance costs, and longer service life.
The mobile diesel generator market will only continue to grow since these units solve real world problems faced by businesses. They deliver dependable, efficient power exactly where you need it.
Wrapping It Up
Mobile diesel generators aren’t just backup power units, they’re business enablers.
Whether you need power for a construction site, emergency response, or outdoor event, the right mobile diesel generator can keep things humming.
Focus on matching specific power, runtime, mobility and service support needs to the capabilities of available units.
Don’t get distracted by maximum power ratings or fancy features you don’t actually require.
Key criteria include:
- Reliable power output that meets your needs
- Fuel efficiency for cost effective operation
- Mobility/portability features that fit transport requirements
- Service support from a reputable manufacturer
The mobile diesel generator market is growing rapidly. Better than ever to find quality products that will serve your business for years.
Take time to choose wisely. Your business depends on it.
Mobile diesel generators aren’t an expense, they’re an investment in reliability and business continuity.
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