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Grime Task Force Direct Drive 4 GPM @ 4000 PSI — Honda GX390 & AR RRV4G40
$1,599.00
Built for contractors who need dependable commercial output in a compact, cart-mounted package, this direct drive pressure washer delivers 4 GPM at 4000 PSI, powered by a Honda GX390 engine with the AR RRV4G40 pump.
Direct drive means the pump mounts straight to the engine shaft — no belts, no pulleys, no gearbox. That makes for a lighter, more compact machine with fewer components to maintain, and it's the most cost-effective way to get commercial-grade output on a cart. The tradeoff is that the pump turns at engine speed, so direct drive units are best suited to crews who need portability and value over the extended pump life that gear and belt drive systems provide.
The wheeled cart configuration makes this unit easy to reposition around a job site, load into a truck bed, or move between work areas without needing a permanent mount. For residential contractors, smaller commercial operations, and crews adding a second machine to the fleet, this is a practical, capable setup.
Every build includes a gun and wand assembly, spray tips, and a 50-foot section of high-pressure hose. Grime Task Force stocks this configuration because it hits a real need — commercial capability without the footprint or cost of a full skid build.
Please note: as a custom-built unit, this machine may require lead time before shipping.
Frequently Asked Questions
What are the output specs? 4 GPM at 4000 PSI.
What's the difference between direct drive and gear drive? Direct drive mounts the pump straight to the engine shaft — lighter, more compact, and lower cost. Gear drive uses a gearbox to slow pump speed, which typically extends pump life on machines running long daily hours.
Is this cart or skid mounted? Cart mounted, for easy repositioning around a job site.
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