Komatsu 12v 5.9 good for build??

00 black ram

00 black ram

Cummin's Enthusiast
I have the opportunity to purchase a running/high our komatsu 5.9 12 motor. I was planning to use it for my motor build. It's an 07' model engine that was derated by the EPA to 94hp. I have a pic of the engine badge with serial # and other info. Just wanting to know if it is good to start a build with? Any info or advice will be appreciated.

Thanks
 
I work on construction equipment for a living so I understand what your talking about. As far as I see it should be good, has a girdle on the bottom end as well. The only thing that sucks is the pump isn't that same as what you find in a dodge. I think they are what you call a A-pump but not sure honestly
 
The 07 Kawasaki I did a few months ago had a 6.7 6BT. There will be a few differences but it should be a good base to start with. Probably have to do a different pump setup on it other than that it should be like a normal 12V.
 
What was that engine in? I work at a Komatsu dealer and all of the 5.9's Ive seen were 24v's from early 2000's and up.
 
NyCowboy87 said:
What was that engine in? I work at a Komatsu dealer and all of the 5.9's Ive seen were 24v's from early 2000's and up.
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We had some 2000 and up Terex machines that still had 12V's in them but they had the electronic rotary pump which I believe was the VP44. Never got a good look to verify as they were gone all the time and sold them while I was over seas.
 
I don't know what exact machine it came out of. But I had a pic of the tag with serial numbers on it. I may have deleted it. It's a non-intercooled 12v.

I haven't given up on the 24v, just playing around for now.
 
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