When you think about what kills profitability in the heavy equipment game, you probably picture catastrophic breakdowns — snapped hydraulic lines, seized engines, or a final drive that decides to commit suicide mid-project. But here’s the truth most operators learn too late: It’s not the big failures that drain your profits. It’s the small, silent ones — like leaks. That tiny drip of hydraulic oil? That faint smell of diesel? That slow coolant loss you top up once a week? The