~11 gallons
The engine holds about 11.5 quarts.
A hemi engine has a hemispherical combustion chamber. to convert it into a cummins you need a regular combustion chamber. Also in a diesel engine has no spark plugs. you would need a diesel conversion kit.
Need to know what style of Cummins engine and pump first. PT, PR, VE style rotary pump, inline Bosch pump.
Need an engine make and model to answer this. You either have a Detroit Diesel, Mercedes Benz, Cummins, or Caterpillar engine.
12 quarts
There are MANY reasons this could be happening. You need to get a shop to hook up the Cummins Insite program to look up fault codes.
Need to know if it has the Mack or Cummins engine in order to answer.
Kenworth doesn't make their own engines. At various points in their history, engines from Detroit Diesel, Caterpillar, Cummins, and PACCAR, Inc. have been available. You'd need to specify which engine and what kind of condition it's in.
No, you need the actual software to do this (e.g., Insite for Cummins, Davie for PACCAR, DDEC for Detroit Diesel, etc).
You use the computer... current versions of Cummins Insite are backwards compatible with older engines... you'd need that, and either an Inline or NexIQ diagnostic connector with the J1772 connection.
You need the Cummins Insite software in order to do this.
The "Dodge" diesel is actually a Cummins heavy truck engine. With proper maintenance, it should last about 250,000 miles. The injectors will need replacing every 100,000 miles.