Caterpillar Generators for Sale - New & Used CAT Power Systems

Looking for proven, industrial-grade power? Midwest Engines & Generators offers an extensive inventory of new-surplus and used Caterpillar generators, ranging from standby backup systems to heavy-duty prime power packages designed to deliver unmatched reliability in the most demanding applications. From backup power to continuous-duty systems, CAT generators are engineered to perform.

Why Choose Caterpillar Generators?

Caterpillar has been a global leader in power generation for over 90 years. CAT generators are trusted across industries, including manufacturing, healthcare, data centers, construction, and municipal operations. Here’s why businesses choose Caterpillar:

Proven Reliability: CAT diesel engines are renowned for durability and long service life

Global Support Network: Access to service and genuine CAT parts worldwide

Fuel Efficiency: Advanced engine technology reduces operating costs

Scalable Power Solutions: From 10 kW portable units to 16+ MW power plants

Industry-Leading Warranties: Comprehensive coverage backed by CAT's reputation

Our Caterpillar Generator Inventory

New Caterpillar Generators

Invest in the latest Caterpillar technology with factory-fresh units featuring:

Used Caterpillar Generators

Get premium CAT performance at a fraction of the cost:

Popular Models:

Cat C4.4

55–110 kW

Cat C7.1

150–200 kW

CAT C9

250–350 kW

CAT C15

400–500 kW

CAT C18

500–750 kW

CAT C32

1,000+ kW

Caterpillar Diesel Generators

Caterpillar diesel generators represent the gold standard in backup and prime power. Our diesel CAT units feature:

Fuel Type Advantages:

Applications:

CAT Generators by Application

Standby Power

Automatic transfer switches ensure seamless power during outages. Ideal for hospitals, data centers, and manufacturing facilities.

Prime Power

Continuous-duty rated for remote locations, mining operations, and off-grid applications.

Backup Generators

Code-compliant emergency power for commercial buildings, schools, and government facilities.

Industrial Power

Heavy-duty construction for 24/7 operation in the most demanding
environments.

Technical Specifications

Our Caterpillar generator inventory includes:

Power Range

10 kW to 16,500 kW

Voltage Options

120/208V, 120/240V, 277/480V, 600V

Frequency

50 Hz or 60 Hz

Fuel Types

Diesel, natural gas, bi-fuel

Enclosure Options

Open skid, weather-protective, sound-attenuated

Control Systems

EMCP 4.2, 4.3, 4.4 digital controllers

Certifications

UL 2200, UL142, CSA, CE, IBC/NFPA compliant

Services & Support

Services & Support

Complete turnkey installation including:

Maintenance Programs

Keep your CAT generator running at peak performance:

Parts & Upgrades

Access to genuine Caterpillar parts:

Industries We Serve

Healthcare

Hospital backup power and life-safety systems

Data Centers

Mission-critical UPS support and N+1 redundancy

Manufacturing

Process continuity and production uptime

Commercial Real Estate

Code-required emergency power

Telecommunications

Cell tower and network operations

Government & Military

Critical infrastructure protection

Oil & Gas

Remote power for drilling and production

Financing Options Available

Make your Caterpillar generator investment more manageable:

Competitive Lease Terms

Equipment Financing

Rental-Purchase Programs

Trade-in Allowances

Why Buy from Midwest Engines & Generators?

Caterpillar Power Experts

Decades of combined experience with CAT generator systems

Extensive Stock

Wide range of standby and prime power Caterpillar units ready for deployment

Expert Consultation

Free load analysis and sizing

Turnkey Solutions

From design to commissioning

24/7 Emergency Service

When you need us most

Competitive Pricing

Best value on new and used units

Frequently Asked Questions

What size Caterpillar generator do I need?

Generator sizing depends on your connected load, startup requirements, and application. Our team provides free load analysis to ensure proper sizing.

How long do Caterpillar diesel generators last?

With proper maintenance, Cat diesel generators can provide 20,000–30,000+ hours of reliable service over 20–30 years.

Do you offer used Cat generators?

Yes, we maintain an extensive inventory of inspected and tested used Caterpillar generators at significant savings.

What's included with installation?

Our turnkey installation includes permitting, site prep, mechanical installation, electrical connection, and startup commissioning.

Do Caterpillar generators meet emissions standards?

All new Cat generators meet current EPA Tier 4 Final emissions standards. We also offer EPA-compliant used units.

Request a Quote Today

Ready to power your operation with proven Caterpillar reliability? Our generator specialists are here to help you select the right Cat generator for your specific needs.