The Model 3550 high-pressure plunger pump from Cat Pumps is rated to 10 gpm at 6,000 psi. The pump is designed for equipment operating in high-duty cycle applications in remote or mobile applications such as hydroexcavating, jetting, blasting and hydrostatic testing. It can be direct-driven hydraulically or pulley driven from a motor or engine. Features include completely lubricated and cooled V-packings and low-pressure seals with hard-chrome plated forged brass inlet/discharge block manifolds. The wet end can be serviced without entering the crankcase. 763/780-5440; www.catpumps.com.