I suppose you could consider the early cummins injection system a primitive common rail system. But it bares little resemblance in function or form to modern ones.
Diesel Diagnostic and Repair expert
Part of the reason some marine diesels reach max torque output at higher RPM is because they drop the compression ratio for marine apps. A 'highway' rated 6.5 diesel has a CR of 21.5:1. Where a 'marine' 6.5 has an 18:1 CR. This creates a loss of volumetric efficiency, that is overcome by...
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Cummins has used common rail since inception? only if you think Cummins is 5 years old.
Dipaco sells a kit they put together they call "Rebuild the Future" or RTF, and diesel shop that is set up for RTF should have the capabilities to test/flow Common Rail and other late model electronic...