Need to know what make and model of engine you have. If you don't know this, then, assuming you've changed the oil filter, you fill it with oil until you see it on the dipstick, turn the engine on until you get an oil pressure reading, then fill it up until it gets to the full line.
if the engine and radiator are both dry it should hold around twelve gallons
The 2005 Peterbilt M 11 Cummins diesel engine map sensor is located next to the fuel pump. The map sensor should be labeled as such.
Should be 17 gallons
If you search Optimus Prime truck on any search engine that gives pictures you should get thousands.
It should be the same as my 1995 - 21 gallons (79.5 liters )
The capacity is 3 gallons. It consumes 1 ½ gallons of 50/50 antifreeze. Thus, the totall capacity should be 3 gallons.
When they are broken.
If interested in a custom peterbilt, you should check out: www.triplerdiesel.com/sections/inventory/newInventory.asp. It has general information on peterbilts as well as where you can buy one.
when should crawl space be vented
Should be to the left of the clutch pedal.
There is no point in changing it.
Should be about 4 gallons or 16 quarts.