Closing Recommendation
Both are strong 20-ton class excavators, so pick by the digging you do and where your service comes from. Choose the Liebherr R 920 Litronic when your work needs deeper digging and longer reach, when a wider bucket range lets one machine cover changing material, and when the extra weight helps stability on heavy digging. Choose the CAT 320D3 when you want a lighter machine that moves easily between sites and works on softer ground, when a standard AC cabin and GPS help your driver and your tracking, and when quick parts and mechanics across India keep your downtime short. So match the machine to your work: Liebherr R 920 Litronic for deep reach and varied buckets, CAT 320D3 for easy moving, service and a simple sale later.