widgeon is right on.
The CH-53E has the ability to carry an external payload of 32000 pounds out 50 NM and return under sea level 32 degrees C conditions, with all normal mission equipment and reserve fuel. It can carry 20000 lbs 440 NM, and can carry 5000 lbs 900 NM.
Here is the Sikorsky web site technical info:
http://www.sikorsky.com/file/popup/1,,185,00.pdf