Small Gas Generators: Power That Delivers Peace Of Mind Without Delay

Our small natural gas generators, ranging from 20-750 kW, provide a dependable and efficient backup power solution tailored to meet your business needs. From streamlined procurement to plug-and-play installation, quickly get reliable gas power that’s up to code, backed by 24/7 responsive support and ready to run.

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Benefits of a Cat Small Natural Gas Generator (20-750kW): Built for Speed. Backed for Life.

A small natural gas generator (20-750kW) from Cat provides reliable backup power with lower emissions, reduced maintenance concerns, and cost-effective solutions for consistent energy during outages.

SMALL GAS GENERATORS KEEP PROJECTS ON SCHEDULE AND PROFIT MARGINS SECURE

With immediate inventory and streamlined contracting (including government-approved purchasing contracts through Sourcewell and Canoe), Caterpillar helps you bypass typical bidding bottlenecks and acquisition hurdles.

GET UNITS ON THE GROUND AND GOING IN NO TIME FLAT WITH SMALL NATURAL GAS GENERATORS

Caterpillar preconfigures its small gas generators for minimal on-site engineering. With energy installation made easy through plug-and-play designs, facilities gain quick access to the energy they urgently need.

SMALL GAS POWERED GENERATORS DE-RISK OWNERSHIP

Caterpillar turns a one-time purchase into a permanent commitment. Deliver assurance with 24/7 support from the Cat^® dealer network, continuous asset monitoring and 99% parts availability, along with extended coverage options for up to 10 years of worry-free maintenance.

A SMALL NATURAL GAS GENERATOR ENSURES A SMOOTH INSPECTION

Building codes and safety mandates can stall any project. Caterpillar pre-engineers its small gas powered generator solutions to meet strict NFPA 110, UL 2200, and local emissions standards, as well as hospital generator requirements. Eliminate the liability gap and ensure a smooth inspection with a solution designed to check every box automatically.

Explore Small Natural Gas Generators

Frequency

60 Hz

60 Hz

Natural Gas Rating

350 ekW

350 ekW

Emissions/Fuel Strategy

U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications

U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications

DG350 (3-Phase)
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Frequency

60 Hz

60 Hz

Natural Gas Rating

400 ekW

400 ekW

Emissions/Fuel Strategy

U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications

U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications

DG400 (3-Phase)
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Gas Standby Rating

750 ekW @ 0.8pf

750 ekW @ 0.8pf

Fuel Type

Natural Gas, Hydrogen Blend (up to 5%)

Natural Gas, Hydrogen Blend (up to 5%)

Emissions/Fuel Strategy

U.S. EPA Certified for Non-Emergency Stationary Genset

U.S. EPA Certified for Non-Emergency Stationary Genset

G3512 with FAST RESPONSE
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Continuous Rating

1085 ekW

1085 ekW

Fuel Type

Natural Gas, Biogas, Coal Gas

Natural Gas, Biogas, Coal Gas

Maximum Electrical Efficiency

36.50%

36.50%

G3516A
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Small Gas Generators Provide Reliable Power Anytime

Cat small natural gas generators provide continuous power during outages or routine use, with unlimited runtime when connected to a steady natural gas supply. A 24-hour propane backup ensures operation during fuel interruptions.

Take a Walk Around Our CG18 Generator Set

See what makes a CG18 genset reliable, efficient and space-saving. We’re sure it will meet all of your small gas powered generator needs.

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Monetize Power with Demand Response

Cat small gas powered generators support participation in utility demand-response programs, bringing your business additional revenue for supplying power during peak demand periods such as severe weather or high usage hours.

Scale, Save, Protect

Watch the video to learn how Cat AMP, helps you lower energy costs, better manage energy assets and tap into new revenue streams.

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Smart Energy Management with Cat AMP

Cat Active Management Platform (AMP)

Cat AMP is a distributed energy resource management system (DERMS) that optimizes small gas generator set performance and integrates with Solar PV and storage solutions. AMP analyzes grid and facility data to dispatch resources, reduce loads, and maximize energy market returns without disrupting operations.

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Take a Walk Around Our CG18 Generator Set

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What is dual-fuel capability?

A small natural gas generator with dual-fuel capability is designed to switch from one fuel source to another when the primary fuel source becomes unavailable.

Cat Small Gas Generators with Dual-Fuel Capability

Cat small gas generator sets are primarily designed to run on natural gas. However, select models feature automatic dual-fuel capability, allowing them to switch to propane when natural gas is unavailable. These systems detect low gas pressure and activate a valve to transition to propane, then switch back once natural gas service is restored.

Why is dual-fuel capability important?

With dual-fuel flexibility, your small gas generator set is ready for unexpected fuel disruptions and future regulatory changes. This feature ensures continuous operation and long-term adaptability, no matter how fuel requirements evolve.

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Small Gas Generators Will Power Through Outages

Deliver dependable backup power with industry-leading Cat small natural gas generators. Be prepared for long outages or when diesel fuel isn’t available. Our small standby gas generators are designed for rapid response to run without interruption thanks to longer maintenance intervals.

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Small gas generator maintenance

Power is critical. Support is what makes it reliable. The difference between running and stopping comes down to how well it’s supported. Regular maintenance helps gas generators stay ready for the moments that matter most. Even a small gas-powered generator needs planned upkeep to support reliable performance during power outages and help extend the life of the unit. With the right service approach, you can stay ahead of unexpected issues and keep your operations running. Cat Aftermarket Solutions are engineered for uptime and backed by the Cat global dealer network that responds when it matters most. From factory-trained technicians to strategically positioned parts inventory, we don’t just promise reliability, we stand behind it.

Small gas generators in severe weather

Severe weather is one of the biggest drivers of unexpected power outages, from major storms and hurricanes to wider grid disruptions. In these moments, small gas generators can help keep essential systems operating when utility power is unavailable. A small natural gas generator supports business continuity by providing dependable backup power for critical loads during unpredictable conditions. When weather threats arise, having the right standby solution in place can help reduce disruption and improve readiness.

Small gas generators and the cost of downtime

Downtime is expensive. Planning isn’t. When the power goes out, productivity, operations, and essential functions can stop with it. Small gas generators help reduce that risk by providing backup power that keeps critical systems running when the unexpected happens. More than just an equipment expense, small gas powered generators are a cost-avoidance tool that can help protect revenue, reduce disruption, and limit the impact of unplanned outages. Backup power is protection against losses you cannot always predict but can prepare for.

From Bid To Install:

A practical guide for Electrical Contractors choosing, installing and supporting power solutions.

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Search available Stock For Small Gas Generators

View your local dealer's inventory for small natural gas generators that will fit your power needs.

Small Gas Generator Set Inventory

Configure Your Small Gas Generator

Build and customize your own small natural gas generator set to perfectly fit your needs.

Customize your Small Gas Generator

Cat Dealers Make The Difference

Your Cat dealer is committed to maximizing your success, helping you get the most out of your operations with site-level solutions, service, and support.

Generator Set Sizing Calculators

Cat Electric Power now has two tools available for sizing gensets in any application.

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