Stealth Honda GX690 8gpm @ 4000psi Belt Drive Pressure Washer

Stealth Operator Series 8 GPM 4000 PSI Belt-Driven Commercial Pressure Washer Skid – Honda GX690 & General Pump TSF2021 (Electric Start)

Built for relentless performance in the field, this Operator Series 8 GPM, 4000 PSI skid-mounted pressure washer is our best-selling commercial unit — offering pro-grade components and the best price in the industry. Powered by the electric start Honda GX690 V-Twin 4-Stroke OHV engine and paired and features the industry-standard General Pump TSF2021 66 Series Triplex Plunger Pump. This belt-driven powerhouse is engineered for durability, smooth operation, and peak cleaning output.

Designed for long-term, high-output operation, this belt-driven system extends pump life while reducing heat and vibration. The aluminum skid ensures corrosion resistance and strength for tough job site conditions.

Every Stealth pressure washer comes prefilled with oil and includes an oil drain hose for both the engine and pump for easy maintenance. It also features a starter-side muffler (with an optional oil-filter-side configuration upon request).

This pressure washer is ready for action—whether you’re handling fleet washing, soft washing, or heavy-duty commercial power washing

What’s Included:

• Engine + Pump Assembly: Honda GX690 engine with belt-driven General Pump TSF2021
• General Pump YU21405 Unloader: Commercial 21 GPM, 4050 PSI rated unloader for smooth, consistent output
• Mount-Ready Aluminum Skid: Fits trailers, flatbeds, platforms, and shop bays
• Prefilled with Oil: Both engine and pump include oil + oil drain hoses for hassle-free maintenance.
  * Oil drain line color / length are subject to change based on availability * 

Introducing the Operator Series: Built to Work. Ready to Lead.

The Operator Series is Stealth’s core lineup for professionals who demand powerful performance, long-term reliability, and rugged simplicity. These machines are designed for real-world jobsites—featuring high-flow output, premium engines, and durable builds that are made to run day in and day out. Whether you're expanding your business or upgrading to equipment that can truly keep up, the Operator Series is built to lead from the front.

Operator: The Backbone of Professional Cleaning. From large-scale property maintenance to fleet washing and heavy equipment cleanup, the Operator Series is trusted by contractors who can’t afford downtime. Each unit is built around field-proven components, with belt-drive systems, balanced GPM and PSI, and skid-mounted frames that drop cleanly into trailers, truck beds, or mobile setups. If you need serious pressure with no fluff—just clean, consistent results—the Operator Series delivers