Hyundai HYW4000P 15LPM 275 BAR Petrol Pressure Washer

Take on the toughest cleaning jobs with the Hyundai HYW4000P – a professional grade petrol pressure washer built for industrial, commercial, and agricultural use. Delivering an impressive 275 BAR (4000 PSI) max pressure and a 15 litre per minute flow rate, this heavy duty jet washer is powered by a reliable 420cc 4-stroke Hyundai engine and fitted with a premium Annovi Reverberi triplex pump for exceptional performance and durability.

Whether you're cleaning driveways, machinery, construction equipment, or farm vehicles, this petrol-powered washer provides consistent power without the need for electricity—making it ideal for remote or off-grid jobs.

Key Features:

• 275 BAR Maximum Pressure – High intensity output pressure for deep cleaning
• 15L/Min Water Flow – Clears dirt, grease, and moss fast
• Hyundai 420cc OHV Engine – Smooth mid-range torque and fuel efficiency
• Annovi Reverberi RSV4G40 Pump – Industrial grade Italian pump built to last
• Thermal Relief Valve – Prevents overheating and protects pump longevity
• Puncture Proof Wheels – Designed for rough ground and easy transport
• Gravity or Mains Fed – Flexible water feed options to suit any site
• 15m Hose + Nozzle Kit – Includes 4 standard nozzles and a turbo nozzle

Built for Professional Use

Trusted by contractors, ground workers, and exterior cleaning specialists, the HYW4000P is built on a strong steel frame with over sized wheels for portability. A built in low oil sensor protects the engine, and the unit’s compact footprint makes it easy to store and manoeuvre between jobs.

This washer includes a 15 metre high-pressure hose, lance, and a complete quick-connect nozzle set (0°, 15°, 25°, 40° plus turbo). Quick-release fittings allow fast nozzle changes with no tools required.

Use with Mains or Static Water Sources

The HYW4000P can be used with a mains water tap or set up to draw from a water butt or tank (gravity fed or via suction). For best results when using standing water, ensure all connections are sealed and the unit is primed from a mains source first.

What’s Included:

• Hyundai HYW4000P Petrol Pressure Washer
• 15m High Pressure Hose
• Professional Lance & Trigger Gun
• 4 Quick-Connect Spray Nozzles
• Turbo Nozzle for Intensive Cleaning
• User Manual

3 Year Warranty

For added peace of mind, the HWY4000P is covered by Hyundai Power Equipment's 3 year platinum home use warranty* / 1 year commercial warranty* (terms apply) including full parts and service backup to maintain your pressure washer for years to come.

Technical Specifications

• Engine: Hyundai IC420 (420CC) 4 Stroke Petrol (recoil start)
• Maximum output pressure: 275 BAR ( 4000 PSI)
• Maximum flow rate: 15 LPM
• Drive: Direct Drive (3400 RPM)
• Fuel capacity: 6.5L
• Pump: Annovi Reverberi RSV 4G40 Triplex
• Water feed: Gravity feed, from buffer tank (up to 2m) or mains supply
• Frame: Steel
• Weight: 60.4KG
• Dimensions (fully assembled): 1080MM H x 630MM W x 800MM L

Download the HWY4000P data sheet here.