Various dozer photos

argie · Post #1 by **argie** » Sat Apr 04, 2009 9:04 am

Scanned from a 1988 issue of Contract Journal.

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Paul
http://rpaphotography.moonfruit.com/
http://www.heavyhaulagephotos.moonfruit.com

GIZZY · Post #2 by **GIZZY** » Sat Apr 04, 2009 12:10 pm

Good Pictures Paul... That ripper in the 3rd picture looks different to me so perhaps somone can tell me why.

Gavin84w · Post #3 by **Gavin84w** » Sat Apr 04, 2009 1:33 pm

I wonder how many D9L IR machines were built, i worked on one down under and even saw it in a ripping trial with a D11N,D10 and it walked away from the bigger machines in a side by side rip race.

plantman · Post #4 by **plantman** » Sat Apr 04, 2009 2:17 pm

GIZZY, the ripper on the third photo is an impact ripper, it is on the same principle of a hammer on a excavator. When it hit a hard spot and pressure was put on a valve, it opened to let the impact make contact with the ripper tooth, just like the hydraulic hammer.
They where not a great job and where dropped.

GIZZY · Post #5 by **GIZZY** » Sat Apr 04, 2009 4:40 pm

plantman wrote:GIZZY, the ripper on the third photo is an impact ripper, it is on the same principle of a hammer on a excavator. When it hit a hard spot and pressure was put on a valve, it opened to let the impact make contact with the ripper tooth, just like the hydraulic hammer.
They where not a great job and where dropped.

I thought it might have been that but i wasnt sure.

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