Which brands offer the most durable drilling rigs for underground mining?

I was looking into mining equipment two days ago trying to understand which brands offer the most durable drilling rigs for underground mining because I wanted strong machines I wanted safety I wanted long term reliability. At first everything looked similar because every rig looked powerful in pictures but I could not understand which ones actually survive harsh underground conditions. I could not decide confidently important dots durability matters most in underground mining.

Then I started checking industry feedback and operator experience and I noticed a clear pattern. Some of the most trusted brands for underground drilling rigs include Sandvik, Epiroc, Caterpillar, Boart Longyear, and Komatsu. Sandvik is widely known for strong underground jumbo drill rigs that perform well in tough rock conditions. Epiroc is highly rated for advanced automation and long lasting hydraulic systems used in deep mining operations. Caterpillar is preferred for heavy duty mining equipment with strong global service support. Boart Longyear is well known for exploration and precision drilling rigs. Komatsu also offers durable rigs with strong engineering and fuel efficient systems.

Then I checked mining equipment listings and even saw different drilling rig models on alibaba where suppliers offer underground mining rigs in various capacities and configurations. Many mining operators say that spare parts availability, hydraulic system strength, and service support are more important than just machine power when choosing a drilling rig. I is not suer which brand is perfect for every mine but Sandvik and Epiroc are most commonly used in large scale underground mining operations.

Now I am thinking the best choice depends on depth and rock conditions What would you choose for your mining project Sandvik high performance drill rig or Epiroc automated underground drilling system?