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.
3,000 lbs is more than enough for virtually all highway trucks unless they are capable of carrying more than 300 gallons of diesel, which most trucks are not able. We like to round off the weight of diesel fuel, just to make it easier. Use the round figure of 7 lb. per gallon, when calculating the weight.... One hundred gallons = 700 lbs. The weight of diesel does vary somewhat. It weighs a little more than 7 lb. per gallon in Canada, as the gallon is larger,