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 THE ART OF CONCRETE PUMPING
 Mack 688, 690		  New Topic  Reply to Topic
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Speedy

Canada
4194 Posts
Posted - 03/09/2010 :  07:05:10  Show Profile  Visit Speedy's Homepage  Send Speedy an AOL message  Reply with Quote
Anybody know what the differences are?
If you can't fix it with a hammer....you've got an electrical problem.

Digger

Australia
168 Posts
Posted - 03/09/2010 :  14:37:44  Show Profile  Reply with Quote
2
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Speedy

Canada
4194 Posts
Posted - 03/09/2010 :  14:58:40  Show Profile  Visit Speedy's Homepage  Send Speedy an AOL message  Reply with Quote
LOL, I can do the math!!
If you can't fix it with a hammer....you've got an electrical problem.
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biged

3088 Posts
Posted - 03/09/2010 :  18:57:49  Show Profile  Reply with Quote
Speedy MR688 are cab over,so far only thing with 690 are RD690 and they are conventional cabs
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Speedy

Canada
4194 Posts
Posted - 03/09/2010 :  20:25:28  Show Profile  Visit Speedy's Homepage  Send Speedy an AOL message  Reply with Quote
Ed, there is an MR 690 cabover that is also used as a pump chassis.
If you can't fix it with a hammer....you've got an electrical problem.
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terry

421 Posts
Posted - 03/10/2010 :  04:32:33  Show Profile  Visit terry's Homepage  Reply with Quote
They make an rd 688 which is my conventional on my belt.

they also have a rd 690 which is also a conventional cab.
I think the rd688 might be a tweak of the 690,not for sure.
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Loop Belt

3 Posts
Posted - 03/10/2010 :  15:08:25  Show Profile  Reply with Quote
I think it's when they went to electrical fuel pump and computers....
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