Kärcher Pressure Washer Pump
Score: 85/100
BMotorParts Stihl RB800 Pump
Score: 88/100Rankings
The STIHL RB 800 is a commercial-grade, gasoline-powered high-pressure washer designed for heavy-duty industrial cleaning tasks, featuring a powerful 429 cc Kohler engine. Its exceptional pressure and flow rates make it ideal for removing heavy grime, though its massive weight and size limit it to stationary professional use. It is best suited for professional contractors and industrial cleaners requiring daily heavy-duty performance.
The Kärcher Legacy Vertical Axial Pump is a residential-grade pressure washing pump designed for direct coupling to gas engines, delivering 2.6 GPM at 3000 PSI. It features a durable brass head and integrated thermal relief valve, though its fixed flow rate limits performance for large-area jobs. Best suited for homeowners performing regular maintenance cleaning of driveways, patios, and decks.
| Attribute | Kärcher Pressure Washer Pump | |
|---|---|---|
3,000 PSI | 4,200 PSIbest | |
2.6 GPM | 4 GPMbest | |
0.875 inchesbest | — | |
3,400 RPMbest | — | |
0.5 inchesbest | — | |
0.375 inchesbest | — | |
| ↓ lower better | 8 lbsbest | 168 lbs |
165 °Fbest | — |
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| Attribute | Kärcher Pressure Washer Pump | |
|---|---|---|
Performance(4) | ||
Maximum Pressure (PSI) | 3000 PSI | 4200 PSI |
Flow Rate (GPM) | 2.6 GPM | 4.0 GPM |
Pump Type | Axial | Triplex |
Operating RPM (RPM) | 3400 RPM | RPM |
Compatibility & Mounting(4) | ||
Shaft Diameter (inches) | 0.875 inches | inches |
Shaft Type | Hollow Vertical | |
Inlet Port Size (inches) | 0.5 inches | inches |
Outlet Port Size (inches) | 0.375 inches | inches |
Durability & Maintenance(1) | ||
Seal System | Brass | |
Physical(1) | ||
Product Weight (lbs) | 8.0 lbs | 168 lbs |
Features & Control(1) | ||
Start Type | Direct Coupling | Easy Start |
Safety & Features(2) | ||
Thermal Relief Valve | true | |
Max Water Temperature (°F) | 165 °F | °F |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and industry experts categorize the Kärcher Legacy 26/30 line as a proven, residential-grade component that occupies a sweet spot for home equipment. It balances the flow of smaller pumps with the full 3000 PSI needed for typical home cleaning without excessive weight or cost.
Everyday users generally praise the pump for its reliable performance in residential applications, noting lower vibration and smoother operation compared to direct-drive alternatives. Common recurring issues include insufficient pressure for heavily soiled surfaces, limited flow rate for large areas, and water mineral buildup in hard-water regions.
Professional reviewers and editors position the STIHL RB 800 as the premier choice for industrial and commercial heavy-duty applications. They praise its 429 cc Kohler engine, industrial-grade durability, and features like the anti-vibration system and easy-start mechanism. Video demos and dealer insights emphasize its ability to save time through high flow rates and its robust construction, describing it as 'built to last' for professional contractors.
Everyday user feedback, primarily from video demonstrations, highlights the machine's exceptional power and versatility. Users appreciate the ability to adjust pressure for different tasks, such as washing vehicles without damage, and value the ease of maintenance due to the oil-bath pump. There are no recurring complaints, but the consensus is that the product is strictly for professionals due to its weight and power.
“doubles time savings on washing”
“built to last”
