Quote:
Originally Posted by zeke
I have seen this in other threads and wondered the same thing...is a 6xx engine that much different from the engines in most semis?
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See post #37.
Diesel semis used to idle, it's all they had for heat. Many semis will shut-off on their own now, and are equipped with Webasto etc. diesel-fired heaters to keep the cab (and often the engine) warm so that the engine doesn't need to idle. Idling is bad for semi engines also and owner's manuals recommend not idling. My Caterpillar manuals (dating back to 1977) have all said the same thing, do not idle to warm up, drive easily until the temp gauge comes up, and do not idle for extended periods at any time (I believe that 15minutes was the maximum back then). My Mercedes diesel manuals (602 and 603) say the same.
See post #37 again.