Kärcher K4 FC - 1900 PSI 1.2 GPM Electric Pressure Washer
The Kärcher K4 FC is an electric pressure washer offering a maximum water pressure of 1900 PSI and flow of 1.2 GPM. (Read full specs)
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Description
The K 4 FC pressure washer combines 1900 PSI of stripping power with the convenience of a mobile trolley. This is the primary workhorse for the driveway, designed for those who need to revitalize weathered decks, remove years of buildup from concrete walkways, or clean the siding of a multi-story home.
Zoom on the Kärcher K4 FC
The Kärcher K4 FC is a light duty pressure washer, that provides its users with an all-around versatile cleaning experience, and enables:
- gentle cleaning for sensitive surfaces, and wide coverage cleaning with low pressure
- using cleaning solutions, and rinsing surfaces to remove residue
- spot cleaning of hard, unpainted surfaces, and removing stubborn stains
The following sections will present you in detail its power characteristics and design, its main features and all the additional features it has to offer.
Power
Powered by a 13-amp universal motor, its aluminum axial cam pump can deliver a pressure of 1900 PSI (around 32 times more than a standard garden hose) and a flow of up to 1.2 GPM (values claimed by the manufacturer). With these values combined, the Kärcher K4 FC boasts a cleaning power of 2280 Cleaning Units.
The K4 FC easily starts up with the press of an ON/OFF switch, providing seamless operation. The unit is ready-to-use with peace of mind, thanks to the included 35 ft GFCI cord.
Design & Handling
Prioritizing ease of transportation, the Kärcher K4 FC incorporates a portable design and approximate dimensions of L11.7 x W13.6 x H33.4 in. The handle adds to the K4 FC convenience of transport.
This unit's weight of 12.1 lbs makes it a breeze to carry around, perfect for on-the-go cleaning tasks. This owes partly to its plastic frame, contributing to its lightweight design. As if its lightweight construction wasn't convenient enough, the unit is equipped with two 2.4" solid wheels, adding further ease to its transportation and maneuverability.
Main Features
The Kärcher K4 FC comes with a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, which are detailed below.
- Soap injection: Even though the device doesn't have a soap tank, detergent is supplied by a siphon hose. The pressure washer automatically dispenses and mixes the detergent with the water when a soap nozzle is attached. For additional convenience and versatility, the K4 FC also comes with a foam cannon.
- Pressure hose: When not in use, the unit allows for tidy storage of the included 25 ft high-pressure hose using a set of convenient hooks, ensuring convenient organization.
- Spray gun and wand: The included classic ergonomic spray gun and its wand can be easily stored in a side hook.
- Nozzles: The following table provides information on the 4 included nozzles and their recommended surface uses.
25° | 40° | Soap | Turbo | |
|---|---|---|---|---|
| Concrete, brick, masonry | ||||
| Siding, gutters, house | ||||
| Fencing, deck, patio | ||||
| Lawn equipment, boat, RV |
Please be aware: The shapes of the depicted nozzles are for illustration purposes and may differ. Symbols utilized include a indicating 'Not recommended,' a for 'Suitable,' and an for 'Use with caution.'
Other Features
- Onboard storage: The Kärcher K4 FC allows you to be always fully prepared, as it features a handy storage area, where nozzles and accessories can be stored.
- Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
- Accessories: On top of an owner's manual and the usual documentation to get you swiftly started, the Kärcher K4 FC also comes with garden hose adapter, pressure hose, wand, spray gun, power cord and foam cannon (to add cleaning solutions to the water).
The Kärcher K4 FC's performance versus other pressure washers
The following charts are provided to give you an idea of how the key specs of the Kärcher K4 FC compare to similarly priced pressure washers.
- The Kärcher K4 FC, boasting 1900 PSI, achieves a lower pressure compared to other electric pressure washers in the $195-255 price bracket. When it comes to maximizing water stream strength, one standout option in this price category is the Craftsman CMEPW2800, offering an impressive 2800 PSI.
- In comparison to other devices in the above-mentioned price range, this washer and its 1.2 GPM (gallons per minute), has one of the lower GPM values. If being able to rinse away debris as efficiently as possible is your priority, one of the products with the highest GPM in this price range is the AR Blue Clean XM2400, with 1.9 GPM.
- At 2280 Cleaning Units (PSI X GPM) total, the K4 FC sits within the average cleaning efficiency range when compared to other electric units in this price bracket. If the highest overall cleaning power is your top priority, the BE P1915EN, which can reach up to 3400 Cleaning Units, is one of the most efficient of the devices in the current price range.
Price comparison
As you can see from these interactive charts, when compared to other electric washers between 2000 and 2500 Cleaning Units, the Karcher K4 FC is on the average side of the price range.
Therefore, this pressure washer nicely fits in the expected budget for this kind of cleaning power.
The bottom line
- In the expected price range
- Portable
- Good range of nozzles included
- Additional foam cannon included
- Onboard storage
- Decent CU for the price
- No soap tank
- Low PSI for the price
- Low GPM for the price
Features and Specifications
| Fuel | Electric |
|---|---|
| Motor | 13-amp, universal |
| Pump | Axial Cam |
| Water | Cold (104°F max.) |
| PSI | 1900 |
| GPM | 1.2 |
| Cleaning Units | 2280 |
| Frame | Plastic |
|---|---|
| Pump material | Aluminum |
| Handling | Portable |
| Wheels | 2 wheels, ⌀2.4", solid |
| Weight | 12.1 lbs |
| Dimensions | Approx. 11.7 x 13.6 x 33.4 in (L x W x H) |
| Hose storage | Hooks |
| Soap injection | Via siphon hose |
|---|---|
| Nozzles | 25°, 40°, Soap, Turbo |
| Quick connect nozzles | Yes |
| Onboard storage | Yes |
| Hose | 25 ft |
| Security | Trigger lock |
|---|---|
| Included accessories | Wand, spray gun, high pressure hose, foam cannon, garden hose adapter, 35 ft GFCI power cord, 4 nozzles |
| Warranty | 2 years |
| Other model numbers | 1.610-400.0 |
| UPC | 886622061120 |
We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.
About Kärcher
Founded in 1935 by Alfred Kärcher, this family-owned business is headquartered in Winnenden, Germany. Credited with developing Europe's first hot water high-pressure washer in 1950, the company continues to pride itself on ingenuity and innovative thinking for new solutions in the cleaning industry. Kärcher also insists on being a socially- and ecologically-sustainable company. The popularity of the brand can be seen by the fact that the name Kärcher has in some European countries become a colloquial term used synonymously with pressure washers.
Warranty Information
The Kärcher K4 FC is covered under a warranty for up to 2 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Kärcher pressure washers, please consult Kärcher's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-537-4129.



