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475a komatsu dozer7/28/2023 ![]() While that may be the extreme, overall Cat's spend more time working than Komatsu's. With 8,500 hours, the machine is beat to death. Since May we've moved more than 3 million yards of material, and the 375 sat out July thru early September when we really needed it (hydraulic pumps, steering, numerous engine and track problems, etc). For example, the outfit I work for has a Komatsu 375 with just over 8500 frame hours, and it's on it's third engine. Dowtime on Komatsu dozers always seems to be higher than Cat's. It seems to me that the little things are what really separate the two machines. This may also be why they seem easier to grade in. It's not something you notice too much while pushing, but when backing up long cuts or tracking from one place to another, the Komatsu feels better. The Komatsu dozers definitely ride smoother due to the K-Bogie Undercarriage system. And the wider blade allows for one or two less passes to get your sub grade finished. Overall, Komatsu's seem (to me) to be easier to grade in. When roughing in roads to within a few tenths I prefer the Komatsu. ![]() But when the two are next to each other (with equally experienced operators) the Cat will slowly stock more material than the Komatsu. Whereas in the Komatsu, more material is lost out the sides of your slot. With the taller, narrower blade of the D11, in a slot a few feet deep, more material is rolled directly over itself and back in front of the machine. I also prefer the D11's blade for hogging large amounts of material. For ripping, I like the way the Komatsu ripper feels to me, it seems to curl a little further which I feel works better, but the D11 makes up for it with the additional power. The D11 feels more powerful to me than the 475. I think the Cat wins, but not by a large margin. Altogether I have thousands of hours in Komatsu as well as Cat dozers and have formed a few opinions.įrom a standpoint of simply performance of the machine. I've spent around 3,000 hours in three different D11's (two R's and and N).
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