Commercial gas pressure washers are rated 3.0 to 4.0 GPM.
- They often sell in retail stores for $750 to $1,500.
- Their gas engines are usually rated from 8 to 13 HP.
- Many rental counters offer this size of pressure washer.
You can find the GPM rating on the front panel of your pressure washer, on the manufacturer's nameplate, or in your owner's manual.
You can also check your make and model number online, or contact us with this information.