Multi-use pressure washer system

A multi-use pressure-washer system, comprising:

• a pressure-washer unit;
• a mobile cart that has wheels for mobility and two opposing side members;
• a wall mount that mounts to a wall and has and two opposing side members;
• a multi-use coupling mechanism including two first locking elements of the pressure-washer unit, two second locking elements of the mobile cart, and two third locking elements of the wall mount, wherein the second locking elements and the third locking elements each engage and releasably lock to the first locking elements so that the pressure-washer unit can be selectively mounted to the mobile cart in a mobile configuration or mounted to the wall mount in a fixed configuration for stationary use, and wherein the second locking elements and the third locking elements are located on the respective side members of the cart and the wall mount;
• and
• a multi-use locating mechanism including a first locating element of the pressure-washer unit, a second locating element of the mobile cart, and a third locating element of the wall mount, wherein the second locating element and the third locating element each engage and mate with the first locating element to position the pressure-washer unit relative to the cart and the wall mount so that the multi-use coupling mechanism can be operated to releasably secure the pressure-washer unit in place on the cart and the wall mount.