4GPM PW Units

4 GPM Pressure Washer Units

Tackle professional cleaning jobs with versatile 4 GPM pressure washer units built for reliability and performance. Our selection includes complete skid and cart-mounted systems featuring Honda GX engines paired with General Pump, Comet, and AR pumps for dependable operation in commercial and contractor applications.

Complete 4 GPM Pressure Washer Solutions

  • Engine Options: Honda GX390 and GX340 engines delivering reliable power for all-day operation
  • Pump Configurations: General Pump TS2021, Comet FWS2 G25, and AR RKA triplex pumps in 4 GPM flow rates
  • Pressure Ratings: Units rated from 3,000 to 4,000 PSI for versatile cleaning applications
  • Mounting Options: Skid-mounted and cart-mounted configurations for different mobility needs
  • Complete Systems: Ready-to-run units with engines, pumps, frames, and plumbing for immediate use

Whether you're running a pressure washing business, maintaining commercial properties, or handling contractor cleaning jobs, 4 GPM pressure washers provide the ideal balance of cleaning power and portability. These mid-flow units deliver enough volume for efficient cleaning while remaining manageable for single-operator use and transportation. Explore our complete selection of Pressure Washers, Pumps, Engines, and All Products.