Used Diesel Generators - Midwest Engines & Generators

Why Buy a Used Caterpillar Generator

Smart industrial buyers choose used Caterpillar generators for proven reliability, immediate availability, and substantial cost savings without compromising on performance.

Proven Cat Diesel Engine Durability

Caterpillar engines are renowned for their robust construction and ability to perform reliably for decades under demanding conditions.

Significant Cost Savings vs New

Acquire high-quality, reliable power generation equipment at 40-60% less than new equipment pricing while maintaining performance standards.

Long Service Life with Proper Maintenance

Well-maintained Caterpillar generators routinely deliver 20,000+ hours of reliable service, providing exceptional value over their operational lifespan.

Availability of Genuine Parts and Service

Caterpillar's extensive dealer network ensures ready access to genuine replacement parts and factory-trained technicians worldwide.

Ideal for All Duty Applications

Whether you need standby, prime, or continuous-duty power, used Cat generators deliver consistent performance across all operational profiles.

Our Used Caterpillar Generator Inventory

Our inventory of used Caterpillar generators undergoes a rigorous preparation process to ensure every unit meets the demanding standards industrial buyers expect. From initial inspection through final load testing, we document every step to provide complete transparency on the condition and capability of each generator.

We maintain one of the largest inventories of used Cat diesel generators in the region, ranging from compact 20kW units to large-scale 2,000kW power systems. Our technical team can help match the right generator to your specific application requirements.

Comprehensive Inspection

Every unit undergoes thorough mechanical and electrical inspection by certified technicians.

Load-Bank Testing

Full load testing to verify performance specifications and operational readiness.

Complete Documentation

Documented hours, serial numbers, maintenance history, and detailed test reports provided.

Immediate Delivery

Most units are tested, prepared, and available for immediate nationwide shipping.

Popular Used Caterpillar Generator Models

We carry a wide selection of the most sought-after Cat diesel generator models. Each unit is available for inspection and comes with complete documentation.

Cat C4.4

50-150 kW

Compact industrial power for smaller facilities and backup applications

Cat C4.4

50-150 kW

Compact industrial power for smaller facilities and backup applications

Cat C4.4

50-150 kW

Compact industrial power for smaller facilities and backup applications

Cat C4.4

50-150 kW

Compact industrial power for smaller facilities and backup applications

Cat C4.4

50-150 kW

Compact industrial power for smaller facilities and backup applications

Cat C4.4

50-150 kW

Compact industrial power for smaller facilities and backup applications

Used Caterpillar Diesel Generators

Caterpillar diesel generators represent the gold standard in industrial power generation. Their proven diesel engine technology delivers reliable, efficient power across all duty cycles—from standby backup to continuous prime power applications. Used Cat diesel generators offer an exceptional value proposition, combining legendary durability with significant cost savings.

Superior Fuel Efficiency

Cat diesel engines deliver optimal fuel consumption rates, reducing operational costs over the generator's lifespan.

Superior Fuel Efficiency

Cat diesel engines deliver optimal fuel consumption rates, reducing operational costs over the generator's lifespan.

Superior Fuel Efficiency

Cat diesel engines deliver optimal fuel consumption rates, reducing operational costs over the generator's lifespan.

Superior Fuel Efficiency

Cat diesel engines deliver optimal fuel consumption rates, reducing operational costs over the generator's lifespan.

Applications for Used Caterpillar Generators

Caterpillar generators serve diverse power generation needs across industries. Our technical team helps match the right generator configuration to your specific application.

Standby Power
Hospitals, Data Centers & Commercial Buildings

Ensure uninterrupted operations during utility outages with reliable backup power systems sized for your critical load requirements.

Standby Power
Hospitals, Data Centers & Commercial Buildings

Ensure uninterrupted operations during utility outages with reliable backup power systems sized for your critical load requirements.

Standby Power
Hospitals, Data Centers & Commercial Buildings

Ensure uninterrupted operations during utility outages with reliable backup power systems sized for your critical load requirements.

Standby Power
Hospitals, Data Centers & Commercial Buildings

Ensure uninterrupted operations during utility outages with reliable backup power systems sized for your critical load requirements.

Technical Specifications

Our used Caterpillar generators are available across a broad range of specifications to match your exact requirements.

Power Output

20 kW – 2,000+ kW

Wide range of power capacities for any application

Power Output

20 kW – 2,000+ kW

Wide range of power capacities for any application

Power Output

20 kW – 2,000+ kW

Wide range of power capacities for any application

Power Output

20 kW – 2,000+ kW

Wide range of power capacities for any application

Power Output

20 kW – 2,000+ kW

Wide range of power capacities for any application

Power Output

20 kW – 2,000+ kW

Wide range of power capacities for any application

Turnkey Installation

Every unit undergoes thorough mechanical and electrical inspection by certified technicians.

Load-Bank Testing

Full load testing to verify performance specifications and operational readiness.

Complete Documentation

Documented hours, serial numbers, maintenance history, and detailed test reports provided.

Immediate Delivery

Most units are tested, prepared, and available for immediate nationwide shipping.

Installation, Service & Support

Beyond equipment sales, we provide comprehensive installation, commissioning, and ongoing support services to ensure your generator performs reliably throughout its operational life.

Our certified technicians have extensive experience with Caterpillar equipment and can handle everything from initial site assessment through complete system integration. We also offer preventive maintenance programs and emergency response services to keep your power systems running when you need them most.

Industries We Serve

We provide generator solutions to organizations across diverse sectors, each with unique power requirements and operational demands.