Millennium Group's Blog

A single excavator uses more types of lubricant than most people expect. Hydraulic oil runs the boom, arm, and bucket. Gear oil protects the final drives and slewing mechanism. Grease

Every industrial lubricant comes with a recommended drain interval, usually expressed in operating hours. What that number rarely comes with is an explanation of where it came from, or how

Ask most maintenance teams what kills a hydraulic system and contamination will come up almost immediately. What’s less well understood is exactly how it does the damage. Particles, water, and

Gearboxes on a mining site rarely get an easy job. Crusher drives absorb shock loading every time an oversized rock passes through. Kiln and mill drives run slow and heavily

Few environments are harder on machinery than a quarry or mine site. Crushers, loaders, excavators, and conveyor systems run close to continuous duty under heavy load, in an atmosphere thick

A hydraulic system specified in Germany or the American Midwest doesn’t behave the same way once it’s shipped to a plant where midday temperatures sit above 45°C. The oil hasn’t