Description
Looking for a diesel generator for sale? We supply diesel generators from small portable units up to large industrial sets, for backup power, off-grid sites, farms, mines and construction.
Every job is different, so we size and price generators to suit what you’re running. Tell us your load and we’ll come back with options and prices – usually within one business day.
Why buy a diesel generator for sale from MRF?
- Range of sizes for home backup through to industrial sites
- Silenced, weatherproof canopies
- Reliable diesel engines with easy parts supply
- Help sizing the generator to your actual load
- Delivery Australia-wide
Diesel motor generator sizes
| Small | 10–30 kVA – homes, farms, small workshops |
|---|---|
| Medium | 40–150 kVA – commercial sites, builders, pumps |
| Large | 200 kVA and up – mines, factories, standby power |
| Options | Auto start, ATS changeover, extended fuel tanks, trailer mounting |
Choosing the right size
Add up the running load of everything you need to power, then allow for start-up surges from motors and pumps. Running a generator at around 70–80% of its rating is the sweet spot for fuel use and engine life. Send us a list of what you’re running and we’ll do the maths.
Generators for sale for every job
- Standby power for businesses and farms
- Prime power for off-grid homes and remote sites
- Construction and civil works
- Events and temporary power
- Water pumps and irrigation
Standby or prime power?
A standby generator kicks in when the grid goes down and runs for short periods. A prime power generator is your main source of power and runs for long hours, so it needs to be sized and specced for continuous use. Tell us which one you need when you ask about a diesel generator for sale.
Why buy your diesel generator for sale from MRF Equipments?
We’re an Australian business selling diesel generators to farmers, builders, tradies, miners and home owners. When you buy a diesel generator for sale from us, you deal with real people who know the gear and will give you a straight answer.
- Four depots: Sydney, Brisbane (Banyo), Melbourne (Sunshine) and Albany WA
- Delivery to your door anywhere in Australia
- Clear pricing on the website for most items
- A tax invoice before you pay, and bank transfer payment
- Help with sizing, site access and what you actually need
Not ready to buy yet? That’s fine. Email sales@mrfequipments.com.au with your questions and we’ll help you work out if the diesel generator for sale is the right fit.
Delivery Australia-wide or pick up from a depot
We sell and deliver diesel generator for sale orders right across Australia. If you’re close to one of our yards you can also pick up and save on freight:
Freight depends on distance and site access, so we quote it separately once we know your postcode. Regional and remote deliveries are no problem – they just take a little longer to book in.
Get a price
Generator pricing depends on size, brand and options, so we quote each one. request a quote or email sales@mrfequipments.com.au with your load and location.
Questions we get asked
What size diesel generator for sale do I need?
It depends on what you’re running. Send us a list of equipment and we’ll recommend the right kVA.
Diesel or petrol?
Diesel is better for anything that runs for long hours. It’s more fuel efficient and the engines last longer.
Do you deliver?
Yes, Australia-wide. We’ll include freight in your quote.
Want the background? Here’s a good overview of how diesel generators work.


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