I've used several of multi-ripper buckets and rippers mounted on a Hyundai 450 CAT 320 and hyundai 360, they have worked great in really hard surfaces where there is fragmented rock. It is true that sometimes there are going to be solid rock where you will have to use a hammer but that is rarely seen in the trenches we´ve worked in. Only issue is that teeth wont last that much on very hard surfaces but you will get a
Discuss this in the forum topic Anyone ever use a Multi-ripper bucket?.