Loncin G420 Petrol Pressure Washer – Mazzoni 21LPM Pump | 3000 PSI

Professional Petrol Pressure Washer | 21 Litres Per Minute | 3000 PSI | Mazzoni Pump

The Loncin G420 21LPM Petrol Pressure Washer is a powerful, professional-grade cleaning machine designed for exterior cleaning contractors, agricultural operators and commercial pressure washing businesses.

Powered by a robust Loncin G420 420cc four-stroke petrol engine and fitted with a high-performance Mazzoni 21LPM brass-head pump, this machine delivers an impressive 3000 PSI of cleaning pressure with a water flow rate of 21 litres per minute.

Designed for demanding cleaning applications, the gearbox-driven system provides reliable power transmission, making this pressure washer a practical choice for professional operators requiring consistent performance.

Mounted on a heavy-duty powder-coated tubular frame with solid wheels and rubber tyres, the machine is designed for mobility, durability and regular professional use.

Whether you're cleaning driveways, patios, concrete yards or agricultural equipment, this pressure washer offers the performance needed to tackle challenging cleaning jobs.

Key Features & Benefits

• Loncin G420 420cc Petrol Engine – Powerful four-stroke OHV engine designed for demanding applications.
• Mazzoni 21LPM Professional Pump – Delivers a high water flow rate for efficient cleaning.
• 3000 PSI Cleaning Pressure – Suitable for professional exterior cleaning and heavy-duty pressure washing.
• Gearbox-Driven System – Provides effective power transmission between the engine and pump.
• Brass Pump Head – Durable pump construction designed for demanding use.
• Low Oil Alert System – Helps protect the engine against operation with insufficient oil.
• Recoil Start – Straightforward manual starting system.
• Chemical Application System – Includes chemical pick-up hose with filter and adjustable pressure nozzle.
• 10-Metre Twin-Wire Hose – Heavy-duty high-pressure hose supplied as standard.
• 1200mm Spray Lance – Provides practical reach and control during cleaning.
• Heavy-Duty Steel Frame – Powder-coated tubular construction with integrated lance holder.
• Solid Wheels with Rubber Tyres – Designed for movement around worksites.

Why Choose the Loncin G420 21LPM Pressure Washer?

For professional cleaning contractors, water flow is just as important as pressure.

With a flow rate of 21 litres per minute, this machine provides the high water volume required for efficient cleaning of larger areas, helping operators remove dirt and rinse surfaces effectively.

The combination of a Loncin petrol engine and Mazzoni pump provides a practical solution for contractors looking for professional cleaning performance without relying on mains electricity.

Its gearbox-driven design, heavy-duty frame and included accessories make it a versatile addition to a commercial cleaning setup.

Ideal Applications

Driveway & Patio Cleaning

Suitable for cleaning block paving, concrete driveways, patios and other appropriate hard surfaces.

Commercial Pressure Washing

Ideal for commercial yards, forecourts, walkways, car parks and exterior hardstanding areas.

Agricultural Cleaning

Suitable for farmyards, agricultural machinery, equipment and other demanding cleaning applications.

Industrial & Plant Cleaning

Useful for cleaning machinery, construction equipment and suitable industrial surfaces.

Professional Exterior Cleaning

An excellent option for contractors carrying out regular pressure washing and property maintenance work.

Technical Specifications

Engine Manufacturer: Loncin

Engine Model: G420

Engine Capacity: 420cc

Engine Type: Air-Cooled 4-Stroke OHV Petrol

Engine Starting System: Recoil Start

Low Oil Protection: Included

Cylinder Block: Aluminium

Shaft Configuration: Horizontal

Pump Manufacturer: Mazzoni

Pump Flow Rate: 21 Litres Per Minute

Maximum Rated Pressure: 3000 PSI / Approximately 207 Bar

Pump Head: Brass

Drive System: Gearbox Driven

Chemical Application: Chemical Pick-Up Hose with Filter

Chemical Nozzle: Adjustable Pressure Nozzle

High-Pressure Hose: 10 Metres, Twin Wire

Spray Lance: 1200mm

Frame: Powder-Coated Tubular Steel

Lance Holder: Integrated

Wheels: Solid Nylon with Rubber Tyres

Fuel Type: Petrol

What's Included?

• Loncin G420 petrol pressure washer with Mazzoni 21LPM pump
• 10-metre twin-wire high-pressure hose
• 1200mm spray lance
• Chemical pick-up hose with filter
• Adjustable pressure nozzle for chemical application
• Heavy-duty wheeled frame

Delivery Information

🚚 FREE DELIVERY THROUGHOUT NORTHERN IRELAND

We offer free delivery throughout Northern Ireland on this Loncin G420 21LPM Petrol Pressure Washer, with no additional delivery charges.

Republic of Ireland Delivery

Delivery is available throughout the Republic of Ireland. Please contact ChemXpert NI for a personalised delivery quotation before ordering.

Why Buy from ChemXpert NI?

At ChemXpert NI, we supply professional pressure washing equipment and specialist cleaning chemicals to contractors and businesses across Northern Ireland and the Republic of Ireland.

With hands-on experience in the exterior cleaning industry, we understand the importance of reliable equipment, consistent water flow and professional cleaning performance.

Our goal is to supply dependable equipment at competitive prices, backed by straightforward customer service.

ChemXpert NI – Professional Cleaning Chemicals & Equipment.