Hyundai HYW4000DE 498cc Diesel Pressure Washer 4000psi


£1,699.99 inc. VAT

Key Features
  • Industrial Hyundai diesel pressure washer: Suitable for heavy plant, machinery, agricultural and commercial applications
  • High-quality AR triplex pump: Produces 4000psi maximum & 3600psi continuous pressure
  • 498cc Hyundai diesel engine: Has electric key-start and recoil back-up
  • 15L/minute flow rate: Can be mains water or gravity fed & will draw water uphill 1.5m.
  • Economical 5.5L fuel tank: Uses just 1-1.5L of fuel per hour
  • Easy to move around: Wheeled trolley design with robust puncture-proof tyres
  • Range of accessories included: Comes complete with 15m hose, quick connection trigger gun, high-pressure lance, turbo nozzle and a selection of standard nozzles
  • Liquid detergent injection system: Provides a thorough clean
  • Peace of mind: Covered by Hyundai’s 1 year warranty

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    Industrial Diesel Pressure Washer

    The powerful HYW4000DE is a heavy-duty diesel power washer from Hyundai. This high-pressure jet washer is perfect for cleaning professionals in industrial, agricultural, heavy plant and commercial environments.

    4000PSI Pressure Washer

    Producing an adjustable continuous working output pressure up to 250 bar / 3600psi and a maximum pressure of 4000psi with a 15L/hour flow rate.

    498cc Diesel Engine

    Fitted with a 12hp, 498cc Hyundai air-cooled OHV direct injection D500E diesel engine, this drives the HYW4000DE’s extremely reliable and high-quality Annovi Reverberi (AR) Triplex Pump with ceramic pistons.

    Easy Electric Start

    Fitted with electric key-start, this pressure washer is so easier than ever before to get started. It even has a back-up recoil pull-start should you ever need it for added reliability and also ensures you can always get the job done.

    Economical Fuel Consumption

    The large 5.5L fuel tank can be filled with red diesel which is significantly more cost-effective than standard road diesel and fuel consumption is an economical – 1 to 1.5 litres an hour.

    Annovi Reverberi Triplex Pump

    Hyundai diesel jet washers use Annovi Reverberi (AR) high pressure pumps on their engine driven pressure washers to ensure maximum performance and longevity. Annovi Reverberi (AR) is one of the world leaders in pressure washer pump manufacture.

    Heavy-Duty Frame

    Both the pump and engine are mounted on an anti-vibration rubber mounted subframe to mimimise noise output and increase stability.

    Easy To Move Around

    Weighing 135kg, the HYW4000DE is built with a heavy-duty powder-coated tubular steel trolley design frame, with its large, ergonomic handlebar making it very easy to move around.

    Suitable For Rough Terrains

    Fitted with four wide, large-diameter foam-filled puncture-proof tyres, these allow this powerful diesel pressure washer it to be moved across rough and difficult terrain such as muddy fields and stone driveways.

    Built-In Hose and Lance Storage

    The built-in hose and lance gun holder will help keep everything organised when moving between jobs, and also makes it convenient to store all together.

    Customise Set-Up

    The quick-release couplings on the pump, hose and trigger gun allow you to quickly fit everything together to get started on the job at hand and also to add additional hoses as required.

    Can Be Mains Or Gravity-Fed

    The HYW4000DE is a cold water pressure washer that is used with mains water or can also be gravity fed. It is able to draw water uphill 1.5m, allowing water to be taken from a water butt – no need for an outside tap, making it ideal for use during hosepipe bans.

    Liquid Detergent Injection System

    The in-built low-pressure liquid detergent injection system ensures cleaning fluid can be concentrated into the water flow easily and efficiently, providing a thorough clean.

    Range Of Uses

    Ideal for cleaning farm machinery, heavy plant and commercial vehicles, skips, wheelie bins, terraces, porches, patios, swimming pools, driveways, patios, and more, this 4000psi diesel pressure washer has a huge range of use in industrial, agricultural and commercial environments.

    Low Service Requirements

    The HYW4000DE is incredibly user-friendly with low service and maintenance requirements and has full Hyundai UK service and parts back up. It also has in-built low oil protection to shut down the engine when oil levels run low to protect it from any damage.

    Accessories Included

    The HYW4000DE comes complete with 15m hose, quick connection trigger gun, high-pressure lance, turbo nozzle and a selection of standard nozzles to allow you to get cleaning straight out of the box.

    1 Year Warranty

    For added peace of mind, the HYW4000DE Diesel Pressure Washer comes with a 1 year warranty.


    Model HYW4000DE
    Start Method Recoil or Electric
    Fuel Type Diesel
    Power (kW/hp) 8.8/12
    Max Pressure (psi) 4000
    Max Pressure (bar) 275
    Hose Length (m) 15
    Max Flow Rate (litres/min) 15
    Drive Direct Drive
    Engine Type Hyundai D500E OHV Air-Cooled
    Engine Size (cc) 498
    Engine Oil SAE10W-30 and 15W-40
    Fuel Capacity (L) 5.5
    Speed (RPM) 3400
    Pump AR RSV4G40 Triplex
    Cylinder Volume (L) 0.498
    Gravity Feed Yes
    Mains Supply Yes
    Draw From Barrel Yes (2m)
    Built In Detergent Tank NO
    Frame Material Powdered Coated Tubular Steel
    Gross Weight (kg) 133
    Net Weight (kg) 115.8
    Fully Assembled Dimensions (H x W x L) (mm) 900 x 570 x 800
    Packaged Dimensions (H x W x L) (mm) 930 x 630 x 880
    Product Type Pressure Washer
    Warranty (Years) 1
    Model EAN 5056275799243
    In The Box HYW4000DE, 15m Hose, Lance Gun, Turbo Nozzle, Interchangeable Nozzles, User Manual

    Warranty: 1 Year
    Engine Size: 498cc Hyundai D500E OHV Air-Cooled Diesel Engine
    Fuel Capacity: 5.5 Litres
    Fuel Type: Diesel
    Starting System: Recoil and electric
    Max Pressure: 4000psi / 275bar
    Max Flow Rate (litres/hr): 900 Litres / Hour / 15 Litres / Minute
    Pump: Annovi Reverberi (AR) RSV4G40 Triplex Pump
    Frame: Powdered Coated Tubular Steel
    Fully Assembled Dimensions H x W x L: 640mm x 500mm x 820mm
    In The Box: 4 Quick Release Nozzles, Turbo Nozzle, Hose Connector, Trigger Gun, Lance, 15m Hose & User Manual