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Rank: Advanced Member
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Joined: 10/7/2004
Posts: 1,603
Location: Gypsy
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Here they are, the Tosho built in 1995 and her sister the Gosho that was built in 2000. They were both built by Sumitomo Heavy Industries for Kojimagumi, a large Japanese dredging company. They both swing 200 cubic meter (261 cubic yard) hydraulic clam buckets that weigh 370 tons empty. They also have 136 cubic meter 400 ton buckets for heavy digging. The bucket hangs on a hydraulically operate counterweight balanced lifting / lowering system, patented by Kojimagumi but very similar to what was used on some old stripping shovels. They also have a nifty traveling spud setup. The specs. are very similar to each other with the Gosho having slightly more modern components. Length (o.a.) ... 100.0 m Breadth (mld.) ... 36.0 m Depth (mld.) ... 6.0 m Draft (mld.) ... 3.6 m Main generator, diesel driven ... 3 sets -2,400 kW, AC 3,300V Aux.Generator, diesel driven ... 1 set -135 kW, AC 450V Dredging capacity: Max.dredging capacity ... 6,000 m3/h Hoisting capacity ... 690 t Dredging depth ... 30 m Hoisting speed ... 46～66 m / min. Lowering speed ... 66 m / min. Slewing radius ... 31 m Slewing speed ... 0.6 rpm The Tosho  The Tosho, sorry about the small picture. It is the only one I can find with the bucket open.  The Gosho and the Tosho working together.  Nice deck plan 
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Rank: Advanced Member
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Joined: 4/21/2003
Posts: 756
Location: Athens, Alabama
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Wow!!!
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Rank: Advanced Member
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Joined: 12/19/2006
Posts: 2,474
Location: Minnesota
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I saw your mention of these in the other post and you beat me to the punch here!  Impressive machines to say the least. Follow this link to the Japanese site and click the 3rd button from the bottom. There are a few "videos" to see: http://www.kk-kojimagumi.co.jp/    Kojimagumi Co., Ltd.: http://www.kk-kojimagumi.co.jp/english/index.htmlThe ship list (the other grabs in the fleet are unique as well) : http://www.kk-kojimagumi.co.jp/english/shiplist/index.html- Chris
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Rank: Advanced Member
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Joined: 2/8/2008
Posts: 4,174
Location: Anchorage, AK
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Rank: Advanced Member
Groups: Member
Joined: 6/4/2006
Posts: 7,752
Location: arlington, Tx
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Does not look like it would take many passes to fill those barges Jason
NIkl Scale Models
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Rank: Advanced Member
Groups: Member
Joined: 2/26/2008
Posts: 1,765
Location: Virginia
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So big! Amazing!
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Rank: Advanced Member
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Joined: 12/25/2007
Posts: 1,358
Location: Kodiak Ak.
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Wow, thats amazing. Guess I won't bother showing pics of my measly 4 yard clam in action the last few days! 
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Rank: Advanced Member
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Joined: 3/11/2008
Posts: 1,472
Location: Gaylord, Michigan
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That would make one AWESOME model !!
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Rank: Advanced Member
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Joined: 4/27/2006
Posts: 2,826
Location: Carmarthen, Wales, UK
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That's insane. Didn't even know monsters like that existed. Keep the pics coming. 
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Rank: Advanced Member
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Joined: 2/14/2003
Posts: 2,353
Location: Granby,QC,Canada
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Hi !
those are super big machine !!!!!
The Frenchman
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Rank: Advanced Member
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Joined: 6/17/2006
Posts: 1,600
Location: Sweden - Stockholm
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Never heard of these ones! Truly amazing machines!
//Daniel
LIEBHERR - So baut man Bagger!
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Rank: Advanced Member
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Joined: 7/9/2007
Posts: 314
Location: Yorkshire, UK
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Duck me!!!!!
They are BIG!
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Rank: Advanced Member
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Joined: 1/11/2007
Posts: 9,076
Location: Lincolnshire
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Jason..C wrote:Duck me!!!!!
They are BIG! Exactly what I was thinking! Paul R
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Rank: Advanced Member
Groups: Member
Joined: 12/21/2007
Posts: 2,899
Location: Eastern Pennsylvania
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wow its a big machine, looks like a walking dragline except its on a barge, it comes with a clam bucket and a little smaller than a walking drag line.
-Mike, Collecting 1/50th Construction Diecast Since 2003. View My Collection Here, As of 09/02/25
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Rank: Advanced Member
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Joined: 10/12/2005
Posts: 707
Location: northern ireland
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wow!!!, and theres me thinking big muskie was all time king of buckets!!! fantastic pictures, best in a long time!!!
MACHINE PLAY TIME !! CLICKY BELOW \/ \/ \/  http://www.youtube.com/user/allistairc123?gl=GB&hl=en-GB
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Rank: Advanced Member
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Joined: 6/24/2005
Posts: 1,167
Location: London
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Strange looking machines - but seriously huge!
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Rank: Advanced Member
Groups: Member
Joined: 8/23/2007
Posts: 2,639
Location: Pennsylvania
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WOW, that thing is massive!!! Imagine the cost of that thing! 
-Justin "Everyone's Goal Is To Mine More Coal!"PAmining http://www.youtube.com/user/PAmining
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Rank: Advanced Member
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Joined: 1/20/2003
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Location: saginaw michigan
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hummer13 wrote:Does not look like it would take many passes to fill those barges
Jason I was thinking the same thing. I would say that thing loads that scow in 3-5 passes.
Charter Member, QBall Fan Club http://www.facebook.com/group.php?gid=42336642940&ref=ts
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Rank: Advanced Member
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Joined: 9/4/2007
Posts: 156
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why don't you add photos of the tosho to mighty machines and why don't you add photos of the 4 yard clam in mighty machines too
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