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Simpson ALH4240 vs PS4240 - The Differences
Further down the page, you'll find some explanations regarding the key similarities and differences between the Simpson PS4240 and the Simpson ALH4240.
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:
| Simpson PS4240 | Simpson ALH4240 |
|---|---|
 |  |
| Spec-wise, this product does not have any notable advantage over the Simpson ALH4240. |
|
| Buy on Amazon (opens in a new tab) | Buy on Amazon (opens in a new tab) |
Power Comparison
- With gas-powered engines, both units provide the capability for continuous use, ensuring they're ready to tackle challenging cleaning projects.
- Utilizing triplex plunger pumps, both the Simpson PS4240 and the Simpson ALH4240 are recognized for their durable design and high-pressure capabilities. These 2 pumps hail from different manufacturers; one is produced by AAA, and the other by CAT. The pump is driven by a 389cc engine in either configuration. It is worth noting that both pressure washers feature engines manufactured by Honda, a renowned name in the industry for producing high-quality engines. The starting process for both devices involves a familiar pull-start mechanism.
The following charts are provided to show you at a glance how the main specs of the Simpson PS4240 compare to the Simpson ALH4240.
- With both the Simpson PS4240 and the Simpson ALH4240 featuring the same maximum attainable pressure of 4200 PSI you can expect identical force for tackling dirt and grime.
- Both units provide the same maximum water flow rate, delivering up to 4 gallons per minute (GPM). As a result, users can rely on consistent rinsing power from either unit, making them versatile choices for cleaning.
- Both devices share an identical cleaning power of 16800 Cleaning Units, resulting in the same overall cleaning efficiency.
Design Comparison
- Both units utilize a hand truck layout. As a result, differences in mobility between the devices may be linked to factors such as their respective wheels and weight, which will be elaborated upon below. It's important to highlight that the Simpson ALH4240 incorporates an aluminum frame, providing exceptional longevity and protection from rust.
- With a weight of approximately 133 lbs, the ALH4240 is slightly lighter in comparison. As a result, users may expect it to be more manageable for transportation and handling than the PS4240, which has a weight of around 136 lbs.
- Both items come with wheels, greatly improving their ease of movement. Both products come equipped with a handle, engineered to enhance your grip for increased comfort and control while maneuvering or transporting them.
Feature Comparison
- Both washers allow for the addition of chemical detergent solutions to the water. In both instances, this is carried out using a siphon hose.
- Each unit comes standard with a fairly standard ergonomic trigger gun and a classic wand.
- Both the ALH4240 and the PS4240 arrive with a set of 5 nozzles included, ensuring you have the right tools for various cleaning tasks. The set of included nozzles is the same in either case: 0°, 15°, 25°, 40°, and a soap nozzle.
- Both products include a 50 ft high-pressure hose. Therefore, neither of them will, out of the box, allow for a higher freedom of movement around the unit.
- With onboard storage included, both the PS4240 and ALH4240 keep your nozzles and essential accessories neatly organized and readily accessible. Both washers feature a set of hooks to help you neatly store their high pressure hoses when not in use.
TL;DR
| Simpson PS4240 | Simpson ALH4240 |
|---|---|
| |
| Spec-wise, this product does not have any notable advantage over the Simpson ALH4240. |
|
| Buy on Amazon (opens in a new tab) | Buy on Amazon (opens in a new tab) |
