Ingersoll Rand introduces the PAC Series of plate compactor attachments for carriers ranging from 3,000 to 60,000 pounds. These plate compactors are designed for work in foundations, seawalls, slopes, trenches and other confined spaces. The PAC plate compactors have the vibrating force to drive sheet pile into the ground or pound signposts into granular soils. All plate compactors in the PAC line have an operating pressure of 2,300 pounds per square inch and a maximum back pressure of 100 pounds per square inch.