When you take the higher flow rate, in gpm, into consideration, residential gas models land in the range of 6,000 to 7,000 cleaning units; in other words, they clean twice as fast as electric models. Consumer models pump up to 2.8 gallons per minute and operate with up to 4,000 pounds per square inch . Consumer-grade gas-powered washers can be used to clean sidewalks, decks, siding and pavement quickly. Ideal Champion Power Equipment for heavy-duty jobs, these gas-powered pressure washers remove graffiti, strip paint and provide industrial cleaning of concrete and pavement. An effective way to calculate the theoretical cleaning power of a pressure washer is multiplying its PSI with its GPM. To get an idea of PSI vs GPM, think of PSI as the velocity of water coming out and GPM as the weight of water flowing through per unit of time.
With the Generac 6565 pressure washer sitting in your tool shed, you have a capable machine you can use to rid off the dirt and grime off your outdoor space. As can be expected of anything with the Ford name, the FPWG3100H-J is a well-built workhorse. It’s one of the best pressure washers you can get right now that really isn’t going to suck. When you combine a Ford 180cc, 7 HP OHV 4-stroke engine with a 3 piston Annovi Reverberi axial pump, the model you end up with is the Ford FPWG3100H-J pressure washer. The 25 inch abrasion-resistant hose coupled with an EndraGrasp spray gun proved very useful because the hose is long enough, so you don’t have to move the unit all the time. You can just leave the machine in one place and move around with the spray gun and lengthy hose.
Okay, let’s do some comparisons to give you a better perspective. The Sun Joe SPX3501 which is an ultra-powerful 2300 psi electric pressure washer, weighing 46.5 lbs. That’s a significant increase in size, considering it has less Champion Power Equipment cleaning power. It really depends on your needs, but if you want something small and compact then then either Westinghouse models are a good fit. If you want raw power then consider something like the Generac 7122 SpeedWash .
No need for any tools or fiddly assembly, as with many of the others. When assembled, it has a sturdy metal roll-bar design, which is much more solid than the plastic bodies of most other electric models. For reference, a garden hose without a nozzle can flow anywhere from 6 to 10 gallons a minute depending on the hose diameter and water pressure. Weight of the pressure washer, with all accessories, to the nearest ½ pound.
This feature, combined with the 35-foot power cord, gives the SPX3000 a reach of 60 feet. This wheelbarrow, caked in cow manure, hadn’t been cleaned in years but was nearly spotless after westinghouse pressure washers five or so minutes with the DeWalt pressure washer. This Ryobi model doesn’t clean as quickly as the others, but its small size and top handle make it portable and easy to store.
This power washer from Sun Joe features two 0.6-liter soap tanks. This allows you to fill the tanks with different detergents and switch between the tanks based on the task you’re tackling. On top of this, the Sun Joe electric pressure washer has a medium amount of cleaning power at 2,030 PSI. With a flow rate of 2 GPM, the CAT 1800 excels at cleaning large areas.
You have to decide which nozzle is appropriate for the task you’re doing. A narrower angle also means your water jet will reach out further. So if you’re cleaning a far-away place like the 2nd story of a building, you might want a narrower nozzle. It usually costs about the same as the Sun Joe SPX3000, if not more. The company also sells the AR2N1, which has an interesting design that allows you to remove the motor from the frame and mount it to a wall. That feature adds a decent amount of cost to the AR2N1, but it still has only a universal motor.