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The Hydraulics Blog by Trevor Parker: It’s a 4-Wire World
9:12 pm For many years, hydraulic hose fabrication shops needed to carry only two-wire braided hose. Then four-wire spiral hose became necessary for larger off-road specialty equipment. Today, it’s a four-wire world…. Twenty years ago, a backhoe operated at about 2,000 psi. Now, a backhoe will operate at twice that pressure. As pressures and service demands increased, it became more important than ever to trust your hose and fitting manufacturer. Today, even smaller, light du