Feb 15, 2009 #1 H hildah New member Joined Feb 15, 2009 Messages 4 Reaction score 0 Points 1 ...18 wheeler truck? How much miles per gallon does a 15 liter diesel engine use for a big 18 wheeler truck? Also the engine is a caterpillar.
...18 wheeler truck? How much miles per gallon does a 15 liter diesel engine use for a big 18 wheeler truck? Also the engine is a caterpillar.