AAA PowerBoost
Score: 88/100
BMotorParts Stihl RB800 Pump
Score: 88/100Rankings
The AAA 3700 PSI pump is a high-performance triplex replacement featuring brass heads and ceramic pistons for superior durability and cleaning power. Its adjustable unloader and thermal protection make it a robust choice for heavy-duty tasks. It is best suited for DIY homeowners or semi-pros with gas pressure washers needing a reliable, long-lasting upgrade.
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.
| Attribute | | |
|---|---|---|
3,700 PSI | 4,200 PSIbest | |
2.5 GPM | 4 GPMbest | |
0.75 inchesbest | — | |
12 inchesbest | — | |
3,600 RPMbest | — | |
0.75 inchesbest | — | |
0.063 quartsbest | — | |
| ↓ lower better | 9 lbsbest | 168 lbs |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(4) | ||
Maximum Pressure (PSI) | 3700 PSI | 4200 PSI |
Flow Rate (GPM) | 2.5 GPM | 4.0 GPM |
Pump Type | Triplex Plunger | Triplex |
Operating RPM (RPM) | 3600 RPM | RPM |
Compatibility & Mounting(4) | ||
Shaft Diameter (inches) | 0.75 inches | inches |
Shaft Type | Horizontal | |
Inlet Port Size (inches) | 0.75 inches | inches |
Outlet Port Size (inches) | M22 inches | inches |
Durability & Maintenance(2) | ||
Seal System | Advanced Oil Seal | |
Oil Capacity (quarts) | 0.0625 quarts | quarts |
Physical(1) | ||
Product Weight (lbs) | 9.0 lbs | 168 lbs |
Features & Control(1) | ||
Unloader Type | Adjustable Hand Knob | Adjustable |
Safety & Features(1) | ||
Thermal Relief Valve | true | |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the pump for surpassing expectations in harsh conditions, highlighting the PowerBoost technology and easy-start unloader.
Users appreciate the easy oil checks, adjustable power, and quick setup, noting robust build quality and compatibility with popular engines like Honda GX200.
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”
