Maxflow Honda GX390 Gearbox Drive – Trolley frame 21/200 Interpump
The Maxflow Honda GX390 Gearbox Drive – Trolley Frame 21/200 Interpump is a heavy‑duty, reliable petrol‑powered gearbox drive system built for professional cleaning and water transfer tasks. Powered by the robust Honda GX390 engine and paired with a durable Interpump 21/200 gearbox, this unit delivers consistent high pressure and unmatched reliability for commercial pressure washers and industrial water pump applications across Ireland.
- Shipped Directly From HONDA. Please allow 10 Days for Delivery.
Built for performance and durability, the Maxflow Honda GX390 Gearbox Drive – Trolley Frame 21/200 Interpump combines Japan’s trusted Honda GX390 petrol engine with a high‑performance Interpump 21/200 gearbox. Mounted on a rugged trolley frame with pneumatic wheels, this gearbox drive system is perfect for heavy‑duty pressure washing, industrial cleaning, farmyard washdowns, and water transfer applications. Whether you’re tackling stubborn grime on agricultural equipment, high‑pressure cleaning on commercial sites, or delivering powerful flow for irrigation and water emptying tasks, this system ensures smooth operation, long service life, and superior power delivery.
Designed for Irish professionals who demand reliability and performance, the Maxflow unit is easy to maneuver, service‑friendly, and engineered for maximum uptime. Ideal for contractors, farmers, construction sites, and industrial users, this gearbox drive system is a standout choice for robust pressure washer builds, high‑pressure water pumping stations, and versatile on‑site cleaning solutions.
Key Features Of Maxflow Honda GX390 Gearbox Drive – Interpump Trolley Unit
Honda GX390 Petrol Engine — Renowned for durability, easy starting, and fuel efficiency.
Interpump 21/200 Gearbox — High‑quality Italian gearbox designed for long‑lasting performance under load.
Sturdy Trolley Frame — Heavy‑duty steel frame with pneumatic wheels for mobility on rough terrain.
Compact & Serviceable Design — Easy access to engine and pump components for maintenance.
High Pressure Capability — Excellent power output for demanding cleaning, pump, and washdown tasks.
Specifications
Engine Model: Honda GX390 (389cc, 4‑Stroke, OHV petrol)
Gearbox Type: Interpump 21/200 industrial gearbox
Frame: Powder‑coated steel trolley with pneumatic wheels
Rated Output: ~Gross HP ~11.7kW (15.6HP @ 3600rpm)
Fuel Tank Capacity: ~6.1 litres (Long run time)
Uses & Benefits
Industrial Pressure Washing — Clears heavy grease, oil, and dirt from machinery and workshop floors.
Agricultural Washdowns — Ideal for cleaning tractors, trailers, livestock areas, and yards.
Water Transfer & Pumping — Efficiently moves water for irrigation, drainage, and flood relief tasks.
Construction Site Cleaning — Power‑cleans concrete, tools, mixers, and building exteriors.
Mobile Service Units — Mounted on trailers or vans for on‑site servicing and cleaning jobs.
Benefits for Irish Users
Reliable Performance even in tough rural and coastal environments
Low Maintenance & Easy Servicing with global parts availability
Strong Resale Value thanks to Honda & Interpump heritage
Versatile Applications across agriculture, industry, construction, and cleaning sectors
Enhanced Mobility with trolley frame for rough Irish terrain








