Further down the page, you'll find some explanations regarding the key similarities and differences between the Stihl RB 400 and the Stihl RB 600.
But before checking out explanations regarding their power, design, and features here's a table that summarizes the main pros of each of these 2 pressure washers:
| Stihl RB 400 | Stihl RB 600 |
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| Show Buying Options | Show Buying Options |
Power Comparison
- Fuel: Gas-powered washers, both units offer the flexibility for continuous operation, ensuring they're up to the task for prolonged cleaning tasks.
- Engine & Pump: Unlike the standard axial-type pump found in the Stihl RB 400, the Stihl RB 600 features an advanced triplex plunger pump, recognized for its unmatched pressure and durability, offering users superior cleaning power and product longevity. The Stihl RB 400 operates its pump with a 196cc engine, while the Stihl RB 600 employs a 208cc engine. Each device relies on a conventional pull-cord starter for operation.
The following charts are provided to show you at a glance how the main specs of the Stihl RB 400 compare to the Stihl RB 600.
- Pressure: The Stihl RB 600 generates a much higher force at its maximum reachable pressure of 3200 PSI, providing superior dirt and grime removal compared to the 2700 PSI of the Stihl RB 400.
- Water Flow: At low pressure, the RB 600 exhibits a noticeably higher water flow compared to the RB 400. With a capacity of up to 3 GPM (gallons per minute) compared to the RB 400's maximum flow of 2.7 GPM, it should enable dirt and debris removal with quite greater effectiveness.
- Cleaning Power: The overall cleaning efficiency of the RB 600 is substantially greater due to its 9600 C.U., in contrast to the Stihl RB 400's 7290 C.U.
Design Comparison
- Design: Both units feature a hand truck design. Hence, any potential differences in mobility between these devices may be influenced by elements like their wheels and weight, as detailed below.
- Design: Both units feature a hand truck design. Hence, any potential differences in mobility between these devices may be influenced by elements like their wheels and weight, as detailed below.
- Weight: At 90 lbs, the RB 400 shines as notably lighter than the 118 lbs of the RB 600, affording users improved mobility and reduced strain during operation.
- Maneuverability: With the addition of wheels, both products enjoy improved maneuverability. Equipped with a folding handle, both products are designed to optimize your grip, ensuring superior comfort and control during both maneuvering and transportation tasks.
Feature Comparison
- Soap Addition: Both washers provide the option to include chemical detergent solutions in the water, enhancing their cleaning effectiveness. For both units, this is achieved through a siphon hose.
- Trigger Gun & Wand: Each of these 2 units comes with a fairly standard ergonomic trigger gun and a classic wand.
- Nozzles: Included in the package of both the RB 600 and the RB 400 are sets of 5 nozzles, ready for immediate use. The set of included nozzles is the same in either case: 0°, 15°, 25°, 40°, and a soap nozzle.
- Reach: With its included 40 ft high-pressure hose, the Stihl RB 600 allows you, out of the box, to position yourself farther from the unit compared to the Stihl RB 400 and its 25 ft high-pressure hose.
- Storage: Both the RB 400 and RB 600 offer an onboard storage, allowing you to keep your nozzles and accessories close at hand for efficient cleaning tasks. With a set of hooks, both washers offer an organized way to store their high-pressure hoses.
TL;DR
| Stihl RB 400 | Stihl RB 600 |
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| Show Buying Options | Show Buying Options |
