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Here is the "Gosho" the worlds largest grab dredger. The vessesl is on board a heavy lift transport ship being moved to a job location with the new 477 ton weight "Heavy Grab Bucket"..... Some specs Capacity 106 m3 (P.L) , 76 m3 (W.L) Weight 477 tons height 16 m width 12.8 m (open) , 11.55 m (closed) Depth 5.64M Cutting force 990 tons (Lip edge) Hydraulic cylinder Inside diameter φ 580 × stroke 2,100 × 4    
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I've seen this one before, but never tire of it! That is an awesome machine! I doubt it would ever happen, but I would buy a 1:50 version of that in a second!!
Mark
Mark L.
It's what you learn after you know it all that counts
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Tim, thanks a bunch for posting some new and up-close photos of this beast! I believe the one I have photos of from before is the Tosho, the first of these twins that were built. The standard bucket size is 200 cubic meters (262.5 CY), which make these 2 dredges the largest capacity single-bucket digging machines ever built!
-RJ
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I guess the only limiting factor for these monster hydraulic creations (in general) is the size of your imagination. Well that, and economics- but you get my point... 
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Thanks Tim. She's a monster that's for sure.
“A tiger doesn't lose sleep over the opinion of sheep.” ― Shahir Zag
" An educated mind learns from his mistakes and corrects them. A dolt, on the other hand, lashes out and continues showing his ignorance."
-Unknown
“Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.”― Arthur C. Clarke
"Anti-social behavior is a trait of intelligence in a world full of conformists" - Nikola Tesla
" If you think it's expensive to hire a professional to do the job, wait until you hire an amateur ". Paul Neal "Red" Adair {Wild Well Firefighter for those who live under rocks}
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That would be handy for cracking Macadamia's
Mick
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MICKR wrote:That would be handy for cracking Macadamia's
Mick A whole forest of them too....
“A tiger doesn't lose sleep over the opinion of sheep.” ― Shahir Zag " An educated mind learns from his mistakes and corrects them. A dolt, on the other hand, lashes out and continues showing his ignorance." -Unknown “Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.”― Arthur C. Clarke "Anti-social behavior is a trait of intelligence in a world full of conformists" - Nikola Tesla " If you think it's expensive to hire a professional to do the job, wait until you hire an amateur ". Paul Neal "Red" Adair {Wild Well Firefighter for those who live under rocks}
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Nah, I'd use it for cracking Pistachios!!! That would make a great commercial for the Pistachio thing too like the one with R. Lee Ermy!!!
Thanks for the psot Tim, she's a beauty!!!!
Dain
I'm a kid at heart, so I will play with any model construction vehicle from 1:87 scale to 1:1 scale!!!!
Age is a state of time NOT a state of mind!!
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Wow, now that is amazing. That truly would be a sight to see in operation. Perhaps a silly question but what does it mainly dredge and what for? Channel deepening? Rowan.
1:25th scale CAT 375L excavator
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RowanH wrote:Wow, now that is amazing. That truly would be a sight to see in operation. Perhaps a silly question but what does it mainly dredge and what for? Channel deepening?
Rowan. ....anything it want too!!.....  Yeah Rowan, I think mainly channel work... But it can also be used for excavation for structures, outfall lines, etc. Link to the owners site.... http://www.kk-kojimagumi.co.jp/english/shiplist/index.html
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