Pressure washers use either gasoline or electric motors to power a pump that compresses water at a much higher pressure. Beyond these aspects, it’s important to understand the features of each model to find a suitable washer for your cleaning needs. Barndoor Ag is your trusted source for pressure washers and agricultural supplies online. Browse our pressure washers, herbicides, insecticides, and adjuvants for your garden, farm, or lawn. We also carry a wonderful selection of lawn and garden sprayers. We offer same-day shipping for all of our online orders. When you buy $30 or more worth of product, you can qualify for free shipping.