Abstract: This invention is a specialized tool to install bearing cups on trucks and other large vehicles. Typically, conventional means to install bearing cups would be to use a device that includes striking the device with a hammer. Such an installation tool could damage the trucks wheel hub or the bearing cup. Other means exist utilizing complex, hard to use, mechanical devices. This invention is a simple, non-impact type bearing cup installation tool utilizing a rod, specialized cap tools, and a wrench. With just a few simple turns, the bearing cups are installed effortlessly and safely.