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07-31-2009, 11:53 AM
|  | Moderator | | Join Date: Dec 2001 Location: Belleville, Illinois
Posts: 9,618
| |  OT Cat D7E
One of my trade magazines has an article about the new Caterpillar bulldozer with electric drive. I've long thought that one could make a dandy rock crawler with each wheel driven by a hydraulic motor - it could have better maneuverability than a Bobcat and huge suspension travel and ground clearance. Maybe you could do the same thing with electric motors. 
You can see more of the new Cat at www.cat.com/d7e
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08-01-2009, 08:56 AM
| | Way Outta Control | | Join Date: Sep 1999 Location: The Palouse
Posts: 13,158
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I've been eyein' those field sprayers lately. There's a lot of them doing work here in the Palouse wheat fields. I want one.
They ain't fast but they've got the ground clearance. It may be a fun project (If I had the money) to monkey around with one and turn it into a rock crawler. Heck, all ya gotta have is money. A mod here, a mod there and pretty soon you got a fun buggy to ride that would ford small rivers and not even get your feet wet.
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08-03-2009, 10:57 AM
|  | Keyboard Implanted | | Join Date: Mar 2000 Location: East Peoria, IL
Posts: 4,661
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wasn't there some competition rock crawler that did 4 wheel hydro drive with 4 independent suspension arms that he could lift at will to get over stuff ? I seem to remember reading about it somewhere.....
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08-03-2009, 11:01 AM
| | Keyboard Implanted | | Join Date: Mar 2000 Location: East Peoria, IL
Posts: 4,661
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08-03-2009, 01:31 PM
| | Newbie | | Join Date: Oct 2005 Location: Illinois
Posts: 23
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What I love about it is the suggestion, by Cat, that it's a new idea...the Germans were using this same design on tracked vehicles in WWII.
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08-03-2009, 04:20 PM
| | Moderator | | Join Date: Dec 2001 Location: Belleville, Illinois
Posts: 9,618
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Yeah, but probably not with solid state controls. Locomotives have been diesel/electric for half a century.
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