20kVA Diesel Generator Hire

Reliable power from a 20kVA generator hire for medium to larger sites, tools and temporary setups, with fast delivery across Sydney, Melbourne, Brisbane and Adelaide. Opt Hire supplies site-ready equipment that is tested, tagged and ready to perform.

Get A Quote

Call 1300 678 447

20kVA Generator Specifications

Power Output	20kVA / ~16kW
Fuel Type	Diesel
Brand	Perkins / Cummins / Kubota / Trime (varies)
Phase	Single / 3-phase (model dependent)
Fuel Tank	120L
Runtime	21 hours
Noise Level	65.1dBA
Starting Type	Electric start
Dimensions	2132x780x1243mm
Weight	849kg

Contact our team full datasheets and specific model specifications.

Contact Team

What Does a 20kVA Generator Power?

A 20kVA generator hire solution is well suited to medium to larger-scale applications where reliable, continuous power is required across multiple systems.

Typical uses include:

Medium construction sites powering multiple tools and equipment
Welders, compressors and continuous-use machinery
Site offices, lunchrooms and welfare units
Events requiring lighting systems, staging and sound equipment
Workshops and temporary facilities with steady power demand

This size offers a step up from smaller units, providing increased capacity for multi-tool setups and longer operating hours without interruption.

For larger requirements, see 25kVA diesel generator hire

For smaller jobs, see 18kVA diesel generator hire

Why Choose a 20kVA Diesel Generator

A diesel 20kVA generator hire solution is designed for dependable, long-running power across a wide range of applications.

Diesel generators at this size are commonly chosen because they offer:

Fuel-efficient performance for extended runtimes
Reliable and consistent output under varying loads
Capacity to handle mixed equipment usage
Durable construction suited to site conditions
Reliable operation for off-grid and remote environments

Explore Diesel Generators

How Hiring a 20kVA Generator Works

Hiring a 20kVA generator from Opt Hire is straightforward:

What's Included

Generator supplied ready for operation
Fuel level checked prior to delivery
Optional leads and distribution boards
Ongoing support and swap-out options if required

1. Enquire

Tell us what you need to power and your site requirements.

2. Confirm

We recommend the right 20kVA generator hire setup including accessories if required.

3. Delivered

Your generator arrives tested, tagged and ready for operation.

Areas We Serve

Generator Hire Across

NSW VIC SA QLD

We provide 20kVA generator hire Sydney, Melbourne, Brisbane and Adelaide, with delivery available across metro and regional locations.

We support projects across key commercial and industrial hubs including Parramatta, Blacktown, Wetherill Park and Alexandria, with delivery available across broader New South Wales.

We service metro and major project zones such as Thomastown, Epping, Tullamarine and Dandenong, with coverage extending across Victoria.

We supply power solutions to high-demand areas including Eagle Farm, Logan, Ipswich and Northgate, along with regional Queensland locations.

We cover industrial and project-focused areas such as Wingfield, Regency Park, Lonsdale and Gepps Cross, with service available across South Australia.

Get A Quote

Call 1300 678 447

Testimonials

OPT HIRE has been an invaluable partner to our project at Sunbury Road, Victoria. Their sustainable portable building solutions not only met our specific needs but also aligned perfectly with our commitment to reducing our carbon footprint.

Daniel, Construction Manager

I sincerely commend OPT HIRE for their outstanding support throughout the Lathams Road Project. The team’s commitment to supporting the project was invaluable. Their sustainable asset offering of hybrid power and lighting solutions not only aligned with our environmental goals but also significantly reduced our carbon footprint.

Ben, Project Director

Projects We've Powered

Keeping a Close Eye on Queensland Construction Sites

Opt Hire has supported a number of clients in Queensland with innovative site security solutions using sustainable CCTV technology to minimise theft and reduce operational downtime.

Revolutionising Power Solutions: The Instagrid Advantage

Unsure of the benefits associated with using Instagrid’s lithium-ion batteries as opposed to traditional diesel generators to power equipment on construction or industrial worksites? Here’s two real-world examples illustrating the advantages.

Winslow Reaps the Rewards of Battery-Powered Compaction

Since 1985, Winslow Infrastructure, a subsidiary of Winslow Group, has been responsible for the ongoing management of drainage works at the RBR Project in Truganina.

Lighting the Way for Maca Civil Staff

A competitive Tier 2 company working on the North East Link Project, MACA Civil is well-known throughout the civil infrastructure sector for partnering with Tier 1 companies on large-scale projects valued over $100M.

ALL CASE STUDIES

Generator Faq's

What does a 20kVA generator power?

A 20kVA generator can power multiple tools, compressors, site offices, lighting systems and medium-sized construction or event setups.

How long will a 20kVA diesel generator run on a full tank?

Runtime depends on load and fuel tank size, though 20kVA diesel generators are designed for efficient, extended operation.

How much does it cost to hire a 20kVA generator?

The 20kVA generator hire cost varies depending on hire duration, delivery requirements and accessories. Contact Opt Hire for a tailored quote.

Is a 20kVA generator single or 3-phase?

Most 20kVA diesel generators are available in both single and 3-phase configurations depending on the model.

Can I hire a 20kVA generator long-term?

Yes, you can hire a 20kVA generator for both short-term and long-term project requirements.

Get Reliable 20kVa Power on site

Need a dependable 20kVA diesel generator?

Talk to Opt Hire for practical advice, fast quotes and site-ready delivery.

Get a Quote for 20kVA Generator Hire here:
Click Here

Call 1300 678 447 to Speak with Our Team

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