Pre-Owned Industrial Generators for Sale

Our used and second-hand generators are a cost-effective way to get proven diesel and gas power, from portable units to large industrial sets. Every unit is tested and inspected, and our pre-owned stock is one national range that ships Australia-wide from any branch. Brands include Cummins, Deutz, FG Wilson, Caterpillar, GEC Dorman and Kubota.

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What's in stock

The used range includes enclosed and open diesel generator sets, used gas generators and pre-owned portable and inverter units. Stock changes often. Each listing shows the unit's specifications and, where available, its run hours and load test report. Filter by kVA to find your size.

Used diesel generators

Used diesel sets are the most common choice for standby and prime power at a lower cost than new. For new diesel generators, see Diesel Generators.

More pre-owned ranges

Buying used

Pre-owned equipment is sold without a warranty unless one is specified in writing at the point of sale, so ask us about the unit you're interested in before you buy. Your rights under Australian Consumer Law still apply. We can arrange delivery, installation, commissioning and ongoing servicing for used sets, the same as for new.

Used generators by city

Pre-Owned Industrial Generators for Sale FAQ

Frequently asked questions about Pre-Owned Industrial Generators for Sale

No warranty is given or implied on pre-owned equipment unless it's specified in writing at the point of sale. Ask us about the unit you're interested in. Your rights under Australian Consumer Law still apply.

Every pre-owned unit is tested and inspected. Listings show the run hours and, where available, include a load test report.

Yes. Our pre-owned stock ships Australia-wide from any branch.

A pre-owned generator gives you proven diesel or gas power for less than new. Every unit is tested and inspected, and listings show the run hours and, where available, a load test report. Pre-owned equipment carries no warranty unless one is specified in writing at the point of sale.

Add up the loads you need to run, including start-up surges from motors and compressors, and check the total with our Power Calculator. You can also send us your load details and we’ll match a set from our used stock.

Freight is calculated at checkout, and large sets are quoted. Our used stock ships Australia-wide from any branch. Call 1300 622 436 for a freight quote.

Australia’s trusted generator supplier

75+ Years Experience

Australia's longest-running generator specialists. We've powered businesses and homes since 1949.

Australian Owned

100% Australian owned and operated. Your purchase supports local workers and the national economy.

Ready-to-Use Delivery

Every generator is pre-tested and set up so you can start using it the moment it arrives.

Trusted by Thousands

Join thousands of satisfied customers across Australia who rely on our generators daily.

How to find what power generator you need

The Macfarlane Generators Power Calculator helps you estimate the generator size required for your application by calculating power demand, motor starting loads, and electrical conversions such as kVA, kW, amps, and horsepower. Designed for homeowners, tradies, and industrial operators, it provides practical tools and power consumption guides to help you select the right generator with confidence. Whether you're planning backup power, construction site equipment, or large-scale operations, the calculator simplifies generator sizing and power planning.

Power Calculator Questions? Call us on 1300 622 436