FireBusters Australia — Firebusters.com.au

UNIMAC 115PSI 120L air compressor – Heavy-Duty Petrol Power for Industrial Demands

On this page
Heavy-Duty, Petrol Power—Anywhere You Need It

UNIMAC 115PSI 120L 8HP Industrial Petrol Powered Air Compressor

Unimac 115PSI 120L 8HP Industrial Petrol Powered Air Compressor

Rugged, Reliable Air on Demand
For those who demand consistent power far from the grid, the Unimac 115PSI 120L Air Compressor offers trusted performance with a robust cast iron build and triple piston assembly engineered for heavy use on worksites, farms, and industrial sheds.

View at Edisons

Quick Facts

  • Free Air Delivery: 477L/min (16.8 CFM)
  • Tank Capacity: 120L (extra large receiver)
  • Engine: 8HP, 4-stroke petrol
  • Maximum Pressure: 115PSI (7.9 Bar)
  • Restart Pressure: 85PSI | Cut-off: 180PSI
  • Fuel Tank: 3.6L
  • Compressor Build: Tri-V triple piston with Uni-Glide™ coated sleeves
  • Material: Heavy-duty cast iron
  • Auto cut-out switch for safety
  • Portable petrol model—no mains connection needed

Trust & Confidence

  • Built by Unimac, a leading name in air solutions
  • Designed for Australian worksites and conditions
  • Backed by detailed local support
  • Highly rated by professional users for reliability and power

Why Choose the Unimac 115psi 120L Air Compressor?

Unmatched for power and air storage in its class, this Unimac petrol compressor keeps up with continuous demand—from framing and fencing to sandblasting and inflating large equipment. Built for ambitious tradies, rural landholders, and serious DIYers where only petrol power will do. Every feature—from the triple piston layout to the automatic cut-off—focuses on day-to-day practicality and workshop safety.

  • Massive 120L receiver lets you run longer between cycles
  • Triple piston and coated sleeves for smoother output and extended life
  • Petrol 8HP engine—take full pressure tools literally anywhere
  • Built-in automatic safety switches for worry-free operation
  • Seamless for on-the-road tradies, agriculture repair, mobile tyre and panel jobs

Who It’s Best For

  • Tradies running on-site tools without access to power
  • Rural property owners managing fencing, water systems, or machinery maintenance
  • Heavy-duty users who require frequent, consistent air flow
  • Workshops or jobsite teams needing a mobile yet powerful compressor

Not Ideal For

  • Indoor-only operations or where emissions must be avoided
  • Causal or occasional DIY use (smaller electric models may suffice)
  • Users reliant on ultra-quiet running (as petrol models produce more noise)

What Sets the Unimac 120L Apart?

  • Large 120L tank offers extended air delivery for spray painting, rattle guns, and commercial gasketing without waiting for recharge cycles.
  • Petrol-powered 8HP engine grants complete mobility and independence from electricity—perfect for field contractors and paddock repairs.
  • Triple piston with treated sleeves ensures optimal air output, reliability, and minimal wear over years of use.
  • Automatic cut-out/restart and safety pop-off provides peace of mind for busy sites.
  • Cast iron construction endures Australia’s toughest environments.
UNIMAC 115PSI 120L 8HP Industrial Petrol Powered Air Compressor

UNIMAC 115PSI 120L 8HP Industrial Petrol Powered Air Compressor

Check the current merchant listing for full product details, compatibility notes, dimensions, included items, and product-specific guidance before you buy.

How to Ensure Peak Performance

  • Always drain the tank after each use—prevents condensation build-up and protects internal components.
  • Routinely check and adjust all valves and fittings during installation to safeguard against air leaks.
  • Position the compressor on a stable, ventilated and level surface during operation.
  • Conduct scheduled maintenance of the engine and compressor head as outlined by Unimac.
  • Never operate indoors or in poorly ventilated areas due to petrol fumes.

Practical Uses & Popular Applications

  • Pneumatic nailers, framing and fencing equipment on remote jobsites
  • Running rattle guns for tyre and panel swaps on vehicles or heavy gear
  • Supporting spray painting and sandblasting in busy workshops with high air needs
  • Inflating large tyres, water tanks, and agricultural implements
  • Versatile mobile repairs, maintenance, and construction—without access to mains electricity

FAQs

Yes, the robust cast iron build and triple piston system are designed specifically for repeated and high-demand operation. With a large 120L tank and a petrol-powered engine, it copes well with extended use on demanding worksites, rural locations, and busy workshops.

While it is built to last, peak performance does rely on draining the tank after each use and periodic checks of valves and fittings to avoid air leaks. Regular maintenance of the engine and compressor head will ensure longevity.

This model is petrol-powered and should only be operated outdoors or in well-ventilated spaces. For enclosed workspaces, consider an electric alternative for health and safety reasons.

Those who need high-capacity, portable air with complete independence from power outlets—such as tradies, contractors, and rural operations—will benefit most. Its rugged build and reliable output make it a strong investment for demanding jobs.

UNIMAC 115PSI 120L 8HP Industrial Petrol Powered Air Compressor

UNIMAC 115PSI 120L 8HP Industrial Petrol Powered Air Compressor

Check the current merchant listing for full product details, compatibility notes, dimensions, included items, and product-specific guidance before you buy.

Final Thoughts

The Unimac 115PSI 120L 8HP Industrial Petrol Powered Air Compressor puts serious air muscle in your hands—wherever you need it most. With its industrial-grade 8HP engine, advanced triple piston design, and ultra-large tank, this unit is engineered to outlast and outperform in the harshest conditions. Trusted by Australian trades and landholders, it’s purpose-built for work in the real world, offering freedom from the grid and consistent power. If you’re after a portable air solution that brings reliability, strength, and flexibility to any job, this Unimac remains an excellent top-tier option.

Buy direct from Edisons