As of 2012, NACE reported that mechanical engineers with a master's degree started at an average of $75,700 -- significantly more than the average starting salary of $61,300 reported by mechanical engineers with a bachelor's degree.
How many gallons does a semi truck hold? Quick Answer. Semi truck fuel tanks vary in size, but they hold an average of 125 to 300 gallons of fuel. There is a fuel tank located on each side of the tractor, and fuel is distributed between the two tanks to balance weight.
4.6L Fuel Octane. Run the 87 octane fuel in your truck and you will keep your engine cleaner inside(valves, etc.)have easier starting on cold mornings and save some bucks at the gas pump.