Product Overview

The Evolution 3 15250 Petrol Pressure Washer is a professional heavy-duty petrol pressure washer engineered for intensive industrial, agricultural, and commercial cleaning applications. Designed for users who demand maximum cleaning performance and long-term reliability, this machine is ideal for cleaning plant machinery, agricultural equipment, construction vehicles, heavy transport fleets, farm buildings, yards, and industrial facilities.

Producing an impressive 250 bar operating pressure with a water flow rate of 15 litres per minute, the Evolution 3 delivers exceptional cleaning power capable of removing heavy mud, grease, moss, paint residue, and stubborn industrial contamination.

At the core of the machine is a premium Interpump 59 Series triplex plunger pump operating at a slow-speed 1450 RPM through a robust 2:1 reduction gearbox drive system. Powered by the highly reliable Honda GX390 petrol engine, this setup provides smoother operation, lower pump wear, increased durability, and outstanding service life compared to direct-drive alternatives.

Mounted on a heavy-duty trolley frame with large 13-inch wheels, the Evolution 3 is built for easy manoeuvrability across rough terrain and demanding work environments.

Key Features

• Professional heavy-duty petrol pressure washer
• 250 bar operating pressure
• 3625 PSI cleaning pressure
• 15 litres per minute water flow
• Genuine Honda GX390 petrol engine
• Interpump 59 Series triplex plunger pump
• Slow-speed 1450 RPM gearbox drive system
• Heavy-duty 2:1 reduction gearbox
• Return-to-tank unloader valve
• External chemical injector system
• Easy prime ball valve
• Heavy-duty trolley frame
• Large 13-inch pneumatic wheels
• Supplied with heavy-duty single lance
• Includes 10 metre high pressure hose
• Supplied with 3 metre heavy-duty suction hose and filter
• Designed for industrial, agricultural, and commercial cleaning
• Built for maximum durability and long service life

Technical Specifications

• Pressure: 250 Bar
• Pressure Rating: 3625 PSI
• Water Flow Rate: 15 Litres Per Minute
• Pump Type: Interpump 59 Series Triplex Plunger Pump
• Pump Speed: 1450 RPM
• Drive System: Gearbox Drive
• Engine: Honda GX390 Petrol Engine
• Hose Length: 10 Metres
• Suction Hose Length: 3 Metres
• Wheel Size: 13 Inch
• Chemical System: External Injector
• Unloader Valve: Return to Tank

Why Choose This Product?

The Evolution 3 15250 Petrol Pressure Washer is designed for professional users who require powerful cleaning performance combined with exceptional reliability and long-term durability. The slow-speed Interpump gearbox-driven pump system significantly reduces operating temperatures and component wear, helping maximise pump lifespan and reduce maintenance requirements.

Powered by the world-renowned Honda GX390 petrol engine, this machine delivers dependable starting, strong torque, and consistent performance in demanding environments where mains electricity may not be available.

The return-to-tank unloader system protects the pump during bypass operation by reducing heat build-up, while the external chemical injector allows efficient detergent application for heavy-duty agricultural and industrial cleaning tasks.

With its rugged trolley frame, oversized wheels, and industrial-grade components, the Evolution 3 is built to withstand daily professional use in the toughest working conditions.

Order Now

Contact Flowjet Cleaning Equipment for pricing, availability, and expert technical advice. We also supply genuine Interpump spares, Honda engine parts, hoses, lances, nozzles, and professional pressure washer accessories to keep your machine operating at peak performance.