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.
Best Answer: I have a Class A gas and it holds 80 gallons, It just depends on the manufacturer and the type of vehicle..It can range from 40 gal to 85 for gas rigs and around 250 gal for the big diesel class A's. Source(s): Steven W Â· 9 years ago.