Kar zadeva rock Breaking, je Cater 395 bager s Kaiyuan Rock Arm pokazal izjemne zmogljivosti za visoko učinkovitost.
Rock Arm, as a multi-purpose modified arm, is suitable for mining without blasting, such as open-pit coal mines, aluminum mines, phosphate mines, sand gold mines, quartz mines, etc. It is also suitable for rock excavation encountered in basic construction such as road construction and basement excavation, such as hard clay, weathered rock, shale, rock, soft limestone, sandstone, etc. It has good effects, Visoka trdnost opreme, nizka stopnja odpovedi, visoka energetska učinkovitost v primerjavi z lomljenjem kladiva in nizkim hrupom. Rock Arm je prva izbira za opremo brez razstreljevanja.