Pressure-Pro E4042HC-20 Pressure Washer – 4.0 GPM @ 4200 PSI, Honda GX390 Gas Engine, CAT Pump

Part Number: E4042HC-20
Category: Cold Water Pressure Washers
Type: Gas Cold Water Pressure Washer – 4200 PSI, 4.0 GPM, Honda GX390, CAT Pump

The Pressure Pro E4042HC-20 Pressure Washer delivers heavy-duty, professional cleaning power with 4200 PSI at 4.0 GPM in a rugged direct-drive design. Powered by a Honda GX390 4-stroke engine and paired with a CAT triplex plunger pump featuring ceramic components for cooler operation, this unit is built for daily commercial use. Its aircraft-grade aluminum frame, lifetime frame warranty, and jobsite-ready mobility make it ideal for contractors, facilities maintenance, and demanding residential applications.

Key Features

• 4200 PSI / 4.0 GPM cold water performance

• Honda GX390 commercial-grade engine (fuel efficient, reduced noise)

• CAT triplex plunger pump with ceramic components

• Direct-drive configuration for efficient power transfer

• Aircraft-grade aluminum frame with dual handles (no welds to fail)

• Lifetime frame warranty

• Adjustable pressure unloader

• 50-mesh inlet filter for pump protection

• Low oil shutdown for engine protection

• Thermo-sensor prevents overheating in bypass mode

• Pneumatic tires for easy transport

• Dual padded shock-absorbing feet

• 3/4" cold-rolled steel threaded axle

• Fully assembled and tested in the USA

Standard Accessories Included

• Gun and wand assembly with quick connects

• 50-ft high-pressure hose with quick connects

• Chemical injector

• (4) color-coded quick-connect spray nozzles

• (1) color-coded quick-connect chemical nozzle

Performance Specifications

• Pressure: 4200 PSI

• Flow Rate: 4.0 GPM

• Water Type: Cold Water

Engine & Equipment Details

• Engine: Honda GX390

• Engine Output: 11.7 HP

• Fuel Tank Capacity: 6.44 quarts

• Tire Type: Pneumatic

• Hose Length: 50 ft

In the Box

• (1) 4200 PSI gas pressure washer

• (1) Gun/wand assembly

• (1) 50-ft high-pressure hose

• (1) Chemical injector

• (4) QC spray nozzles

• (1) QC chemical nozzle