• 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner
  • 21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner

Optional Extras

  • 240 Litre Mobile Water Wheelie Bin Buffer Tank with Overflow Cut-off Float Valve

    240 Litre Mobile Water Wheelie Bin Buffer Tank with Overflow Cut-off Float Valve

    1.449,00 kr Inc VAT

    [1.207,50 kr Ex VAT]

  • Kiam SurfacePro 18 Rotary Floor Cleaning Tool Steel Flat Surface Cleaner 18"

    Kiam SurfacePro 18 Rotary Floor Cleaning Tool Steel Flat Surface Cleaner 18"

    Was 4.341,00 kr

    2.892,00 kr Inc VAT

    [2.410,00 kr Ex VAT]

  • Kiam SurfacePro 21 Rotary Floor Cleaning Tool Steel Flat Surface Cleaner 21"

    Kiam SurfacePro 21 Rotary Floor Cleaning Tool Steel Flat Surface Cleaner 21"

    Was 5.790,00 kr

    3.399,00 kr Inc VAT

    [2.832,50 kr Ex VAT]

  • Kiam SurfacePro 21 Dual Trigger Steel Rotary Floor Cleaning Tool & Wash Broom 21"

    Kiam SurfacePro 21 Dual Trigger Steel Rotary Floor Cleaning Tool & Wash Broom 21"

    Was 6.153,00 kr

    4.892,00 kr Inc VAT

    [4.076,67 kr Ex VAT]

  • Heavy Duty 5/16" Pressure Washer Hose - 3/8" Male & Female Quick Release, 250 Bar/3750 PSI Rated

    Heavy Duty 5/16" Pressure Washer Hose - 3/8" Male & Female Quick Release, 250 Bar/3750 PSI Rated

    478,00 kr Inc VAT

    [398,33 kr Ex VAT]

    Add

RATED EXCELLENT ON TRUSTPILOT

EXPRESS DELIVERY AVAILABLE

21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner

8.660,00 kr Inc VAT

[7.216,67 kr Ex VAT]

Quantity

IN STOCK

FULL DESCRIPTION

KIAM® Logo
🌊 HIGH-FLOW ELITE • 🛢️ TANK-FEED READY

KM3700PHI — 21 LPM / 3000–3700 PSI Petrol Pressure Washer

14 HP 4-stroke + HI-FLOW pump for rapid rinsing, deep cleaning and reliable tank/butt feed.

MAX PRESSURE
3700 PSI / 255 bar
FLOW RATE
21 LPM (HI-FLOW)
ENGINE POWER
14 HP 4-Stroke

🛢️ Static Source Ready

Draw from tanks/butts/mains with 3 m suction hose & inline filter.

🛡️ Engine Protection

Low-oil shutdown safeguards for long-term reliability.

⚡ Quick-Swap Control

5 quick-release nozzles for instant mode changes.

🌊 Why 21 LPM Changes Everything

  • 🚿Faster rinse-off — flush mud, moss & slurry faster than standard flows.
  • 🧼Wider coverage — chew through large patios, driveways & yards.
  • 🧪Better chem draw with downstream injection setups.
  • 🧱Tough steel chassis with anti-vibration mounts.

Working pressure: 3000 PSI / 200 bar (Max 3700 PSI / 255 bar).

Feeding from a tank? Our guide: Tank/Butt Feeding

🎯 Best-Fit Usage


Light washDomestic patiosDrivewaysHeavy rinse

🏡 Driveways & Yards

Cut project times with high-volume rinsing.

🚜 Plant & Machinery

Shift baked-on debris fast after a chem dwell.

🌀 Pre-Rinse Pro

Perfect pre-rinse for rotary surface cleaners.

💡 Key Features

  • 💧HI-FLOW pump tuned for volume & longevity.
  • 🛡️Anti-vibration shock absorbers on heavy steel frame.
  • 🧰Includes 10 m HP hose, pro trigger gun & steel lance.
  • 🎯5 quick-release nozzles: 0°, 15°, 25°, 40°, soap.
  • ⚠️Low-oil shutdown protects your engine automatically.
  • 🛢️Tank-feed ready: 3 m suction hose + inline filter included.

📦 In the Box

  • KM3700PHI petrol pressure washer unit
  • 10 m high-pressure hose
  • Professional trigger gun & steel lance
  • 5 × steel quick-release spray nozzles
  • 3 m water suction hose with inline filter
  • Tool kit & user manual

🧪 Pressure gauge sold separately.

📊 Technical Specifications

Feature Details
Model KIAM KM3700PHI
Max Pressure 3700 PSI / 255 bar
Working Pressure 3000 PSI / 200 bar
Rated Flow 21 L/min
Engine 14 HP KIAM OHV 4-stroke (air-cooled)
Engine Speed 3400 rpm
Fuel Type ⛽ Unleaded petrol
Displacement 420 cc
Max Torque 26.5 N·m
Dimensions (L×W×H) 79 × 50 × 60 cm
Weight 70 kg

📘 More info & manuals: Instruction Manuals

🧰 Start a Driveway Business

Read the guide

📚 Cleaning Tutorials

Explore articles

🎓 Petrol vs Diesel

Compare options

🌊⚡ High-flow. High-pressure. High-productivity. — Upgrade to the KM3700PHI today.

CUSTOMER REVIEWS

WHATS IN THE BOX?

Included in the Box

  • 1x KM3700PHI Petrol Pressure Washer Unit
  • 1x 10m High Pressure Hose
  • 1x Detergent Pipe & Filter
  • 1x High-Pressure Trigger Gun
  • 1x Steel Lance with Nozzle Connector
  • 5x Steel Quick-Release Spray Nozzles
  • 1x 3m Water Suction Hose with Water Filter
  • 1x Tool Kit
  • 1x User Manual

Optional Extras

  • 240 Litre Mobile Water Wheelie Bin Buffer Tank with Overflow Cut-off Float Valve

    240 Litre Mobile Water Wheelie Bin Buffer Tank with Overflow Cut-off Float Valve

    1.449,00 kr Inc VAT

    [1.207,50 kr Ex VAT]

  • Kiam SurfacePro 18 Rotary Floor Cleaning Tool Steel Flat Surface Cleaner 18"

    Kiam SurfacePro 18 Rotary Floor Cleaning Tool Steel Flat Surface Cleaner 18"

    Was 4.341,00 kr

    2.892,00 kr Inc VAT

    [2.410,00 kr Ex VAT]

  • Kiam SurfacePro 21 Rotary Floor Cleaning Tool Steel Flat Surface Cleaner 21"

    Kiam SurfacePro 21 Rotary Floor Cleaning Tool Steel Flat Surface Cleaner 21"

    Was 5.790,00 kr

    3.399,00 kr Inc VAT

    [2.832,50 kr Ex VAT]

  • Kiam SurfacePro 21 Dual Trigger Steel Rotary Floor Cleaning Tool & Wash Broom 21"

    Kiam SurfacePro 21 Dual Trigger Steel Rotary Floor Cleaning Tool & Wash Broom 21"

    Was 6.153,00 kr

    4.892,00 kr Inc VAT

    [4.076,67 kr Ex VAT]

  • Heavy Duty 5/16" Pressure Washer Hose - 3/8" Male & Female Quick Release, 250 Bar/3750 PSI Rated

    Heavy Duty 5/16" Pressure Washer Hose - 3/8" Male & Female Quick Release, 250 Bar/3750 PSI Rated

    478,00 kr Inc VAT

    [398,33 kr Ex VAT]

    Add

21LPM Petrol Pressure Washer – Kiam KM3700PHI HIFLOW | 14HP Jet Cleaner

8.660,00 kr