Which Generator Brands Hold Their Value Best?

When investing in a diesel generator, reliability is important but so is long-term value. Whether you are purchasing equipment for standby power, industrial operations, export, or resale, choosing a generator brand with strong resale demand can make a significant difference over time.

Some generator brands consistently retain their value due to their reputation, build quality, global parts availability, and long-term durability. In the used generator market, these factors are especially important, as buyers are often looking for equipment they can trust for years to come.

At GFE, we work with generator buyers and sellers worldwide, and certain brands continually stand out for their ability to hold value in international markets.

Caterpillar (CAT)

Caterpillar generators are widely regarded as some of the strongest long-term value machines in the industry.

Known for their durability and exceptional engineering standards, CAT generators are commonly used in:

mining,
industrial facilities,
construction projects,
and critical backup power applications.

One of the main reasons CAT generators retain value so well is their worldwide support network. Parts, servicing, and technical expertise are available across most global markets, making them highly desirable for export buyers.

CAT units also have a strong reputation for handling demanding environments and long operating hours, which contributes heavily to their resale demand.

Cummins

Cummins generators consistently perform well in both domestic and export markets.

The Cummins name is recognised globally for:

reliability,
fuel efficiency,
and strong engine performance.

Cummins-powered generators are particularly popular for standby and prime power applications because of their proven dependability under continuous use.

Another reason Cummins equipment retains value is the widespread availability of parts and technicians worldwide. Buyers often feel confident purchasing used Cummins equipment because ongoing support is relatively straightforward in most regions.

Perkins

Perkins-powered generators are extremely popular throughout export markets, especially across Africa and the Middle East.

Their strong resale value comes from:

simple and reliable engine design,
affordable maintenance,
fuel efficiency,
and easy access to spare parts.

Perkins engines are often favoured in remote or developing regions because they are widely understood by local engineers and mechanics. This familiarity helps maintain strong international demand for both complete generators and spare engines.

For many buyers, Perkins offers an excellent balance between affordability and reliability.

FG Wilson

FG Wilson generators continue to hold strong value in the used market due to their long-standing reputation for dependable standby and industrial power solutions.

Many FG Wilson generators utilise Perkins engines, which adds to their appeal in export markets.

Buyers often choose FG Wilson units because of:

reliable performance,
strong build quality,
recognised branding,
and straightforward servicing.

They remain highly sought after for:

commercial backup power,
construction projects,
telecom applications,
and infrastructure developments.

Volvo Penta

Volvo-powered generators are particularly respected for their fuel efficiency and smooth operation.

In recent years, fuel consumption has become increasingly important for businesses operating generators continuously or in remote locations. Volvo Penta generators are often recognised for delivering strong performance while helping reduce operating costs.

Their quieter operation and modern engine technology also make them attractive for:

events,
commercial premises,
data centres,
and urban standby applications.

Because of their efficiency and reliability, well-maintained Volvo-powered generators continue to achieve strong resale demand.

SDMO / Rehlko

SDMO and Rehlko generators have developed strong reputations across European and international markets for quality manufacturing and dependable backup power systems.

These generators are commonly used in:

hospitals,
commercial buildings,
telecom infrastructure,
and industrial facilities.

Their professional build quality and trusted engineering standards help maintain steady demand in the used equipment sector.

Which Generator Brand Is Best for Resale?

While premium brands like Caterpillar and Cummins often command the highest resale values overall, the “best” brand can vary depending on the market and application.

For example:

CAT generators often dominate heavy industrial markets.
Perkins-powered units are extremely popular in export regions.
Volvo generators attract buyers focused on fuel efficiency.
FG Wilson remains highly trusted for standby applications.

Ultimately, condition, service history, operating hours, and maintenance are just as important as the badge on the canopy.

The Growing Demand for Quality Used Generators

As global demand for reliable power continues to increase, the used generator market remains extremely active. Many businesses now prefer quality used equipment because of:

lower costs,
faster availability,
shorter lead times,
and proven reliability.

Well-maintained generators from trusted brands continue to achieve strong demand across international markets, particularly where immediate power solutions are needed.