Generators for Contractors

Looking for reliable Generators to keep your concrete tools and jobsite powered up? At Concrete Tools Direct, we offer a full range of contractor-grade generators built for performance and durability — from portable models to heavy-duty units for continuous operation. Power your mixers, saws, and lights with confidence, backed by trusted brands and fast U.S. shipping with no sales tax (except TX).

11 products

Top-Rated Generators for Jobsite Power

Top Models/Feature Picks
Our experts selected these contractor-grade generators for their durability, output performance, and ease of transport. Whether you’re powering mixers, saws, or lights, these models provide reliable energy on every jobsite — keeping your work running smoothly, wherever you are.

Welder Generator – Inverter, 50–210 Amps, 2,000 Watt Output

The Tomahawk TWG210A Generator Welder combines high power with exceptional versatility, making it ideal for demanding job sites, farms, and workshops.
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Tomahawk TWG120A Welder Generator

The Tomahawk TWG120A Welder Generator delivers exceptional power and reliability, making it an ideal solution for demanding work environments like farms, workshops, and job sites.
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Inverter Generator – 10,000 Watt, Gas Powered, Electric Start, Super Quiet & Portable

The 10,000 Watt Inverter Generator gives you the energy you need without the loud noise. This gas powered generator is built for performance and convenience, with an electric start and super quiet operation.
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How to Choose the Right Generator

When selecting a generator, consider your power needs, jobsite size, and runtime requirements. The right unit ensures steady energy output, tool reliability, and safe operation — keeping your projects moving without interruption.

Power Output (Wattage)

Match the generator’s wattage to the total load of your tools and equipment. Smaller 2000–4000W models are ideal for light-duty tasks, while 7000–10,000W units power multiple heavy tools on large jobsites.

Generator Type

Gas generators offer high power and affordability for most worksites, while inverter generators provide cleaner, quieter energy for sensitive tools or smaller crews.

Runtime and Fuel Efficiency

Look for generators with extended fuel tanks and efficient engines to minimize downtime and refueling during long workdays.

Portability

Compact frames and wheel kits make it easy to move generators between job areas. Choose portable models for mobile crews or compact sites.

Durability and Maintenance

Select units with robust steel frames, reliable engines, and easy-access panels for routine maintenance — ensuring long-term jobsite reliability.
Choosing the right generator ensures consistent power and productivity on every project. Explore our complete selection to find the ideal model for your construction or jobsite needs.

Frequently Asked Questions

FAQ’s

What’s the best generator for construction sites?

For most jobsite applications, a 5000–7000-watt generator provides enough power for mixers, saws, and lighting. Heavy-duty contractors may prefer larger 9000+ watt models for running multiple tools simultaneously.

Should I choose a gas or diesel generator?

Gas generators are more common and affordable, making them great for small to medium projects. Diesel generators offer better fuel efficiency, longer lifespan, and are ideal for heavy-duty or continuous power needs.

Can I use a portable generator to power my concrete tools?

Yes. Portable generators are perfect for powering concrete mixers, saws, and drills on remote or temporary sites. Just make sure the generator’s wattage exceeds the combined load of your tools.

How do I maintain my generator for optimal performance?

Check oil levels regularly, clean or replace air filters, and run the generator every few weeks to keep components lubricated. Always store it in a dry, ventilated space and follow the manufacturer’s maintenance schedule.