What pressure washer does a professional use?

What pressure washer does a professional use?

Professionals rely almost exclusively on gas-powered machines built around Honda GX-series engines and triplex plunger pumps, generally operating in the 3,000–4,500 PSI range. The triplex pump is the real differentiator — it runs cooler and is engineered for continuous, full-day commercial use, unlike the axial cam pumps found in nearly all consumer-grade machines, which wear out quickly under that kind of demand. Brands like Simpson, Mi-T-M, and Generac’s commercial lines appear consistently across real job sites, a pattern that reflects years of contractors learning which equipment actually survives daily abuse rather than brand preference alone. For heavier commercial or industrial work, belt-drive units that physically separate the engine from the pump further reduce heat and vibration. Electric machines are rarely part of a professional’s toolkit, since job sites don’t reliably provide outlet access.