How Often Should You Change Hydraulic Oil in Heavy Machinery?
Heavy machinery is the backbone of construction, oil & gas, marine, and industrial operations across the UAE. From excavators working under the scorching Dubai sun to cranes operating in Abu Dhabi’s mega-projects, performance and reliability are non-negotiable. At the heart of these machines lies one critical component: hydraulic oil . But here’s the big question most operators and fleet managers ask: How often should you change hydraulic oil in heavy machinery? In this guide, we’ll break down recommended intervals, factors that affect oil life in UAE conditions, warning signs to watch for, and practical maintenance tips to protect your investment. Why Hydraulic Oil Is So Important Hydraulic oil does much more than just “lubricate.” It: Transfers power within hydraulic systems Reduces friction and wear Protects against corrosion Helps dissipate heat Prevents contamination buildup In fact, according to industry studies, nearly 70–80% of hydraulic system failures are caused by fluid ...