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New & Used 20kW-100 kW Diesel Generators for Sale

New & Used
20kW-100 kW Diesel Generators for Sale

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Discover Your Perfect Power Fit:
New & Used 20kW-100 kW Generators

For businesses, commercial spaces, or homes demanding versatile, compact, and efficient power, a 20kW-100 kW diesel generator provides an optimal solution. At Generator Source, we offer an extensive selection of both brand new and meticulously inspected used diesel generators within this highly versatile power range. Whether you prioritize the latest technology and full factory warranty of a new unit, or the significant cost savings and proven reliability of a pre-owned generator, we have the ideal power solution for critical standby, prime power, or auxiliary needs.

Choosing a generator from Generator Source means partnering with experts committed to quality. Our new units arrive with full manufacturer backing, while every used unit undergoes our rigorous 31-point inspection process and comprehensive load testing, guaranteeing its performance and your peace of mind.

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Why choose a 20kW-100 kW generator?

New vs. used 20kW-100 kW generator insights

Generators in the 20kW-100 kW range are incredibly versatile. Understanding the benefits of both new and used options can help you make the best decision for your specific requirements

New 20kW-100 kW Generators

Latest Technology & Efficiency: Access to the newest engine designs, control systems, and emission compliance for peak performance and long-term efficiency.

Full Manufacturer Warranty: Enjoy peace of mind with comprehensive factory warranties covering parts and labor.

Zero Hours & Pristine Condition: Receive a unit with no prior operational hours, ensuring a fresh start and maximum lifespan potential.

Customization Options: New units can often be customized with specific features, enclosures, and control configurations to perfectly match your needs.

Predictable Maintenance: Clear service schedules and guaranteed parts availability.

Used 20kW-100 kW Generators

Significant Cost Savings: Acquire essential power generation equipment at a substantially lower investment, maximizing your budget.

Immediate Availability: Bypass manufacturing lead times. Our used 20-30 kW generators are often in stock and ready for rapid deployment.

Proven Reliability: Many low-hour used units, especially those from standby applications, have demonstrated their dependability. Our inspection process verifies this.

Reduced Depreciation: A used generator has already absorbed the steepest part of its depreciation curve, offering a strong long-term value.

Eco-Friendly Choice: Extending the life of a high-quality generator contributes to sustainability.

Common Applications for 20kW-100 kW Diesel Generators

Generators in the 20kW-100 kW range are workhorses for numerous small to medium-scale power requirements across various sectors:

Light Industrial & Agriculture

Providing consistent power for machinery, tools, and lighting.

Small Commercial Business

Retail stores, restaurants, small offices, gas stations, pharmacies, data closets.

Large Residential Backup

Capable of powering entire large homes, including critical systems, major appliances, and HVAC.

Auxiliary Power

Can serve as supplementary power for specific loads within larger facilities.

Mobile Operations

Ideal for food trucks, mobile workshops, event power, or temporary site offices.

Large Residential Backup

Capable of powering entire large homes, including critical systems, major appliances, and HVAC.

Telecommunications

Maintaining power for smaller cell towers or communication shelters.

Construction Sites

Powering smaller equipment, lighting, and job site trailers.

How to Properly Size Your 20kW-100 kW Generator Needs

Selecting the correct generator size is critical. While 20kW-100 kW is a specific range, the exact kW required depends on your total electrical load.

  • Factor in Starting Loads: Motors, AC units, and refrigerators have higher starting wattage that needs to be accounted for.
  • List Your Loads: Identify all appliances, lights, and equipment you intend to power, noting their running watts and surge (starting) watts.
  • Prioritize: Determine which loads are essential vs. desirable.
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Still have questions or looking for more information?

Generator Source specializes in low-hour, used, new, and surplus generator sets. We have a wide variety of generator sizes and models to fit any project. We are not a broker, we own what we sell.
Call us today (877-866-6895) or click Contact Us to be connected with one of our experienced sales reps. 
We have 350+ generators in stock and ready to ship!

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