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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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Are Detroits THAT bad?
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<p>[QUOTE="JohnP3, post: 2008441, member: 39387"]If you go to JD power listings the Detroit's give a lot less problems than any other engine, they are a lot easier to work on. </p><p> I worked at Freightliner, I have done hundreds of front covers on a Cat compared to a Detroit, and many more on Cummins than Detroit.</p><p> I have done hundreds of Cams in a Cat, than I ever have a Detroit.</p><p> I have done more Cams in Cummins than Detroit's. </p><p> I have replaced more Cummins for catastrophic failures than I ever have Detroit's.</p><p> I have never been directed to glue a cylinder head and front cover on an engine, on a Detroit, I have on a Cat.</p><p> I have repaired many more Cats and Cummins for cylinder head and dropped liner problems than I ever did on a Detroit.</p><p> When you brought in a truck with a Cat as a used truck EVERY single engine was bottle tested, not so on a Cummins or Detroit</p><p> I have changed may more injectors on a Cummins than a Detroit. </p><p> Detroit had a wiring harness problem they recalled them and had us pull all the injectors to repair a compression in the fuel problem.</p><p> The ISX's had so much exhaust in the return fuel the vent line would wipe back and forth. On a government inspection I rejected them for exhaust leaks, the only way you could get Cummins to fix them.</p><p> The N14 after the injectors were fixed was a great engine, if it was kept as a 460</p><p> If you want to make money Detroit was the way to go. </p><p> 3% of what Freightliner sold was Cat, I spent 50% of my time working on Cats.</p><p> I have replaced many more turbo's on Cat"s than Detroit"s, and with the Acsert, the tubes breaking that is an all day job, to replace the turbo's and the manifold gaskets.</p><p> A Detroit has one cam and it has to be timed properly. it is impossible to change the intake valve opening without changing the exhaust and Injector ramp speed.[/QUOTE]</p><p><br /></p>
[QUOTE="JohnP3, post: 2008441, member: 39387"]If you go to JD power listings the Detroit's give a lot less problems than any other engine, they are a lot easier to work on. I worked at Freightliner, I have done hundreds of front covers on a Cat compared to a Detroit, and many more on Cummins than Detroit. I have done hundreds of Cams in a Cat, than I ever have a Detroit. I have done more Cams in Cummins than Detroit's. I have replaced more Cummins for catastrophic failures than I ever have Detroit's. I have never been directed to glue a cylinder head and front cover on an engine, on a Detroit, I have on a Cat. I have repaired many more Cats and Cummins for cylinder head and dropped liner problems than I ever did on a Detroit. When you brought in a truck with a Cat as a used truck EVERY single engine was bottle tested, not so on a Cummins or Detroit I have changed may more injectors on a Cummins than a Detroit. Detroit had a wiring harness problem they recalled them and had us pull all the injectors to repair a compression in the fuel problem. The ISX's had so much exhaust in the return fuel the vent line would wipe back and forth. On a government inspection I rejected them for exhaust leaks, the only way you could get Cummins to fix them. The N14 after the injectors were fixed was a great engine, if it was kept as a 460 If you want to make money Detroit was the way to go. 3% of what Freightliner sold was Cat, I spent 50% of my time working on Cats. I have replaced many more turbo's on Cat"s than Detroit"s, and with the Acsert, the tubes breaking that is an all day job, to replace the turbo's and the manifold gaskets. A Detroit has one cam and it has to be timed properly. it is impossible to change the intake valve opening without changing the exhaust and Injector ramp speed.[/QUOTE]
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