Pressure Washers / Cold Water / Diesel Engine

Practical, compact and hard-working, the Unimanix diesel motor, cold-water pressure washers will clean anywhere hot water is not required. You’ll find our diesel motor, cold water pressure washers used in agricultural, mining, fleet wash bay systems and other applications that require daily use.

Benefits of Diesel Motor, Cold Water

  • Withstand daily use & for long hours at a time
  • Durable Construction
  • Ideal for industrial and commercial pressure washing applications
To review the complete product list of our cold water, diesel pressure washers, click here.
Return to cold pressure washers listing

We are a Canadian manufacturer of custom-made industrial and commercial pressure washers (electric, diesel, and gas-powered), from 3,000 up to 10,000 PSI. Unimanix manufactures, installs and repairs a wide variety of hot/cold water, gas, diesel, propane, electric and steam models, for both permanent and mobile applications.


With over 25 years of pressure washer manufacturing experience, we understand pressure washers and we understand your local business - better than any local or international competitor!


All the machines we manufacture:


- No cheap plastic pumps inside

- Better quality & reliability than any other competing brands

- Thick-gauge steel, industrial-grade parts

- No fumes (electric only) - ideal for enclosed interior spaces

- Built using the highest-quality Italian-made parts

- Highest quality Cat&AR brand pumps, Honda/Kohler/Vanguard gas motors, Deutz/Hatz/Kohler diesel engines & Baldor electric motors

- No outsourced labor - everything is assembled in Canada

- All replacement parts are always in stock

- Any model is customized to your specific needs

- Local service technicians are always at your disposal



You can rely on our vast experience to create a high-quality pressure washer with customizations to fully meet your businesses’ needs. Contact us now to get a free & fast quote!