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American Pressure SystemsSKU: D4042HA-PRO PACK-PP18Sale

GX390 Honda 4 GPM 4200 PSI Direct Drive HD AR Pump Pro Pack- 18" Viper

4000–4999 PSI4.0–4.9 GPMHonda
$1,999.00
$2,199.00Save $200

Freight delivery · free to a business with a forklift or dock · $99 to a residence

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A 2% fuel surcharge and 3.9% processing fee are added at checkout.

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Freight · free to a business
Warranty
Financing available

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Overview

This is a contractor-grade cold-water pressure washer package built on a Honda GX390 commercial engine and a heavy-duty AR pump, delivering 4200 PSI at 4.0 GPM through a direct-drive setup. It ships as a Pro-Pack, bundling the washer with an 18" Viper surface cleaner (on casters), a gun/wand assembly, two 50' non-marking grey high-pressure hoses, a 10% chemical injector, five spray nozzles, and a 3/8" remote ball valve that lets you switch between the gun and the surface cleaner without walking back to the machine. It's aimed at pros running flatwork and high-volume cleaning where uptime and reach matter.

What's included

  • Honda GX390 commercial gas engine, direct drive to a heavy-duty AR pump
  • 18" Viper PP-SC18 surface cleaner with casters included
  • Two 50' non-marking grey high-pressure hoses with quick-connect couplers
  • 3/8" remote ball valve to alternate between gun and surface cleaner
  • Aircraft-grade aluminum frame with dual handles, no welds to fail (lifetime frame warranty)
  • 10% chemical injector, 4 color-coded stainless spray nozzles, plus 1 brass chemical nozzle
  • Adjustable pressure unloader, 50-mesh inlet filter, low-oil shutdown, thermo-sensor for bypass protection
  • HD flat-free tires, dual padded shock-absorbing feet, 3/4" cold-rolled steel threaded axle

Heavy Duty

Best for: driveways, concrete, paint stripping, commercial degreasing

Specifications

Pressure (PSI)
4000 to 4999
Flow (GPM)
4.0 to 4.9
Engine
Honda
Horsepower
10 to 15
Drive
Direct
Pump
Heavy-duty AR
Surface Cleaner
18" Viper PP-SC18 w/ casters
Hoses
Two 50' non-marking grey, w/ QC couplers
Chemical Injector
10% w/ QCs
Nozzles
4 stainless spray + 1 brass chemical
Frame
Aircraft-grade aluminum, dual handles
Axle
3/4" cold-rolled steel, threaded

Frequently asked questions

You get the Honda GX390 / AR pump pressure washer plus a full accessory kit: an 18" Viper PP-SC18 surface cleaner on casters, a heavy-duty gun/wand assembly, two 50' non-marking grey high-pressure hoses with quick-connects, a 10% chemical injector, four color-coded stainless spray nozzles, one brass chemical nozzle, and a 3/8" remote ball valve assembly.

The 3/8" ball valve lets you switch between the spray gun and the surface cleaner remotely, without walking back to the machine. It's plumbed into the assembly so you can quickly alternate tools while working.

It delivers 4200 PSI at 4.0 GPM. That combination of pressure and flow suits flatwork and other high-volume commercial cleaning.

Yes. The Pro-Pack includes an 18" Viper PP-SC18 flat surface cleaner mounted on casters, so it's ready to run flatwork out of the box alongside the gun and wand.

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