California’s Giant Rock Crusher
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Published 2024-06-15
Welcome to Graniterock’s A.R. Wilson quarry, nestled in the hills near Aromas, California.
Established in the late 1800s to help build America’s West Coast railroads, today it produces millions of tons of aggregate, feeding much of Silicon Valley and Northern California.
Beyond its enormous scale, the quarry features amazing machines, the most amazing being their 3,000-ton-per-hour mobile crusher, nicknamed the “Krupp.”
By moving the crusher as needed, Graniterock’s crews can produce material extremely efficiently, pushing with dozers then loading with large loaders.
Graniterock’s been a huge BuildWitt supporter since I began, and we’re very thankful to be back!
For more info on Graniterock, visit their website at
www.graniterock.com/
All Comments (21)
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Andrew Camerata’s next purchase
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this channel is basically Mighty Machines for adults!
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The aggregate from that quarry is known for producing high-quality concrete with high strength and low shrinkage. I was on a concrete placement for the aprons at Oakland airport. The concrete used 1-1/2" Aromas granite aggregate. The aprons are two feet thick. I went to a July 4th party at that quarry about 30 years ago. Peter Noone of Herman's Hermits performed. He lamented that he was performing in an effing quarry.
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Insane... I was more impressed with the wear plating on those 992 buckets... LOL!!!
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An extended video with the B roll from this visit to a quarry and the other one you visited down near San Diego would be great.
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Finally some actual crushing! Should definitely involve the plant side in your videos more.
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Another great video. I hope you got some good hill runs in while videoing this massive mine. Beautiful country.
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It's amazing to see the equipment working that builds our modren world😊
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Great video!
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Wow, the sheer size and power of that rock crusher is mind-blowing! 🔨
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As a retired heavy equipment operator that's worked with crushers , I see lots of fines in those buckets going into that portable crusher. If that was pure stone, those producing numbers would be alot lower. I enjoy these videos but I will point out the obvious.
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to start with I was like "Ah cute, they use the same cat 988H's the quarry I work at does, that must be huge for a mobile" then i saw its a 992 and realised this is a huge freaking mobile crusher
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Im in a stone processing facility probably 3 days a week on average and I have never seen wheel loaders with wear packages like that on the buckets
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Thanks for the video. It makes a lot of sense to pre-filter the 'fines' out of what the crusher must deal with. Yet what is shown at 0:13 and 0:27 is that the cone crusher is being fed with a mix that includes fines. Perhaps they sometimes deliberately admit fines when they wish to increase the percentage of material that is ultimately reduced to 'fines'?
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Impressive operation
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You guys have to come to Freeport in Safford or morenci !!
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I live about 30 minutes from here and used to pass the quarry about once a week. Make a trip to Kirby Canyon between Morgan hill and San Jose. Stevens Creek quarry in Cupertino.
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Funny when you have to hire a moving company to move a mobile piece of equipment. 😆
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Hey Aaron you should check out the videos of the dozer's trying to keep the lava flows in check in Iceland. They have the largest blades I have seen!
