Originally Posted by NevadaNick
No dpf and it never idles
Exactly ; just because it appears to be a constant RPM ( until the load increases) , that is not idle speed ; it's coolant capacity is in quarts not gallons , and the engine weight is in pounds , not tons .
The engine gets to temp quickly and stays there.
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.