BMotorParts Stihl RB800 Pump
Score: 88/100
CAT 67DX
Score: 85/100Rankings
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 CAT Pumps 67DX39G1I is a high-performance direct-drive triplex plunger pump delivering 4000 PSI at 3.9 GPM, ideal for professional surface cleaning. Its adjustable unloader and chemical injector offer significant versatility, though it is limited to cold water use. It is best suited for horizontal shaft gas engine setups utilizing 1-inch SAE J609 flange mounts.
| Attribute | | |
|---|---|---|
4,200 PSIbest | 4,000 PSI | |
4 GPMbest | 3.9 GPM | |
— | 1 inchesbest | |
— | 3,450 RPMbest | |
— | 0.5 inchesbest | |
— | 0.375 inchesbest | |
— | 0.423 quartsbest | |
| ↓ lower better | 168 lbs | 17 lbsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(4) | ||
Maximum Pressure (PSI) | 4200 PSI | 4000 PSI |
Flow Rate (GPM) | 4.0 GPM | 3.9 GPM |
Pump Type | Triplex | Triplex Plunger |
Operating RPM (RPM) | RPM | 3450 RPM |
Compatibility & Mounting(4) | ||
Shaft Diameter (inches) | inches | 1.0 inches |
Shaft Type | Hollow | |
Inlet Port Size (inches) | inches | 0.5 inches |
Outlet Port Size (inches) | inches | 0.375 inches |
Durability & Maintenance(2) | ||
Seal System | NBR | |
Oil Capacity (quarts) | quarts | 0.423 quarts |
Physical(1) | ||
Product Weight (lbs) | 168 lbs | 17.0 lbs |
Features & Control(2) | ||
Unloader Type | Adjustable | Integral Adjustable |
Start Type | Easy Start | Direct Drive |
Safety & Features(2) | ||
Thermal Relief Valve | true | |
Max Water Temperature (°F) | °F | 140 °F |
Products in the top-left offer the best value (high score, low price).
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.
Manufacturer documentation emphasizes the pump's reliability for pressure washing, highlighting the triplex plunger design for high efficiency and low pulsation. The direct-drive capability is noted for eliminating the need for pulleys, belts, and gearboxes, while retail specifications point out the ease of servicing and CARB approval.
No consumer reviews, praise, or complaints were found in the search results. Official documents imply suitability for demanding use through durable components, but no real-world user data is available to assess everyday sentiment.
“doubles time savings on washing”
“built to last”
