Pressure-Pro Pro-Skid Series Pressure Washer MACHINE ONLY* – 4.0 GPM @ 4000 PSI, Honda Gas Engine, General Pump, Direct Drive, Cold Water

Part Number: TS/D4040HG431
Category: Pressure Washer Power Units
Type: Gas Cold Water Pro-Skid Series Pressure Washer – MACHINE ONLY – 4000 PSI, 4.0 GPM, Honda GX390, General Pump, Direct Drive

⚠️ IMPORTANT – MACHINE ONLY LISTING
This listing includes ONLY the pressure washer power unit (TS/D4040HG431).
TANK, SKID, HOSE REEL, AND ACCESSORIES LISTED BELOW ARE NOT INCLUDED.
Only the accessories explicitly listed as included are provided.
Not all accessories shown in photos are included.

The Pressure-Pro Pro-Skid Series TS/D4040HG431 Pressure Washer delivers 4.0 GPM at 4000 PSI, making it an excellent choice for contractors who need a high-pressure, mobile-ready power unit for custom truck, trailer, or skid-mounted systems. Powered by a Honda GX390 commercial-grade gas engine and paired with a General Pump direct-drive pump, this unit offers strong cleaning power, reliable performance, and low-maintenance operation.

Built to integrate with Pressure-Pro Pro-Skid tank systems, the TS/D4040HG431 allows users to design a fully customized mobile pressure washing setup tailored to their specific application.

Pressure Washer Specifications

• Model: TS/D4040HG431

• Pressure: 4000 PSI

• Flow Rate: 4.0 GPM

• Engine: Honda GX390 Gas Engine

• Horsepower: 11.7 HP

• Pump: General Pump

• Drive System: Direct Drive

• Water Type: Cold Water

Included Standard Pressure Washer Accessories

• Professional gun / wand assembly with quick connects

• 50-ft high-pressure hose with quick connects

• Maxi-Flo 20% chemical injector assembly with quick connects

• 4 color-coded quick-connect spray nozzles

• 1 color-coded quick-connect chemical nozzle

Skid Kit Includes

• TS/D4040HG431 Pressure Washer Power Unit ONLY

NOT Included with TS/D4040HG431

The following items are NOT included and are shown for reference only:

• AST100 – 100-gallon tank, bands, aluminum skid, and inlet plumbing

• ASR100 – Aluminum hose reel support assembly with mounting hardware

• KBP100 – Tank-feed unloader bypass return and hose assembly

• KTD075 – 3/4″ tank drain

• AHR250-1 – Hosetract heavy-duty hose reel

  • Supports up to 250 ft × 3/8″ hose

Construction & Design

• Designed for Pressure-Pro Pro-Skid Series systems

• Aircraft-grade aluminum skid compatibility (when paired with optional skid)

• Chemical-resistant and rustproof components

• Adjustable pressure unloader valve

• Mounts quickly and securely into truck beds, trailers, and utility vehicles

Applications

• Custom mobile pressure washing rigs

• Trailer-mounted pressure washer systems

• Fleet and equipment cleaning

• Commercial and industrial surface cleaning

• Property maintenance and contractor use