Closing Recommendation
Both loaders are made for heavy quarry and yard work, so choose by your truck cycle and by how far your service point is. Take the CAT 972L when trucks queue at your loading point and you need quick bucket cycles, and when you work in a district where fast repair matters, because strong hydraulics keep the loading line moving and CAT parts and mechanics are easier to reach across India. Take the Liebherr L566 when you handle large, bulky loads and want a machine that carries them steadily with less spilling, and add the GPS option if you run machines at sites you cannot visit daily. Ask about tyre cost and life before you sign, since tyres and diesel decide your yearly bill. So match the machine to your work: 972L for fast truck loading and easy service, L566 for big steady loads.