Used Caterpillar Gas Generators - Gas Engine Exchange

At Gas Engine Exchange, we specialize in providing top-quality, used Caterpillar generators that are built to last. And when it comes to durability and reliability, few engines can match the American-made Caterpillar used gas engines that we offer.

These engines are the real deal - long lasting and made in the good ol' USA. They may be pre-owned, but they've still got plenty of horsepower left in them. Plus, buying a used Caterpillar gas generator through us means you get all the quality and reliability of a genuine Cat engine, backed by our inspection and appraisal process, at a fraction of the cost of new.

Search our used Jenbacher gas generators for sale

Please see our selection of used Caterpillar gas generators for sale here

Types of Caterpillar used gas engine for power generation

Caterpillar G3500 Line

Powerful, versatile, and highly reliable, the G3500 series delivers exceptionally low operating costs across a wide range of power generation applications. Capable of burning natural gas, landfill gas, and biogas, this line is an ideal choice for multi-fuel industrial requirements. If you are browsing our used Caterpillar generators for sale, the G3500 family offers proven performance across various outputs.

Caterpillar G3508

Caterpillar G3508

The G3508 is a V-8 engine with a displacement of 34.5 liters, is specifically designed for electric power generation, with a power output range of 390-500 kW at 1,200-1,400 rpm.

Download G3508 datasheet
Caterpillar 3516

Caterpillar 3516

The 3516 is a V16 engine with a displacement of 69 liters, and a power output range of 492-1000 kW at 1,200-1,400 rpm.

Download G3516 datasheet
Caterpillar G3520C-3520E

Caterpillar G3520C-3520E

The Cat 3520C / 3520E is a V-20 engine with displacement of 97,6 liters, and a power output range of 1400-2000 kW.

Download G3520 datasheet

Caterpillar CG Line

The CG series represents Caterpillar’s modern gas engine line. It combines the structural robustness of legacy models with enhanced fuel efficiency and lower maintenance overheads. We frequently source CG series units for clients seeking modern Caterpillar gas generators for sale with low operating hours.

Caterpillar CG137-8

Caterpillar CG137-8

The Cat CG137-8 gas engine, ratings: 298 kW at 1800 rpm.

Download CG137-8 datasheet
Caterpillar CG137-12

Caterpillar CG137-12

The Cat CG137-12 gas engine, ratings: 447 kW at 1800 rpm.

Download CG137-12 datasheet

Purchasing a Caterpillar Gas Engine from Gas Engine Exchange

When you purchase pre-owned power equipment from us, you are investing in world-class American engineering. Caterpillar has been an industry leader for over a century, and their equipment is globally renowned for durability, heavy-duty build quality, and operational reliability.

At Gas Engine Exchange, we take pride in offering top-tier used Caterpillar generators for sale. Every engine in our inventory undergoes a rigorous inspection and appraisal process carried out by our team of expert engineers before listing. Whether you are looking for a continuous CHP setup or backup power, finding a reliable Caterpillar gas generator for sale through our network ensures maximum performance at a competitive price.

So why wait? Get yourself a Caterpillar gas engine today and feel the power of American engineering. And if you need a hand choosing the right one for your needs, our friendly and knowledgeable team is here to help.

Search used Gas Engines from our other brands

FAQ’s Caterpillar Generators