haul (n.) Look up haul at Dictionary.com
1660s, "act of pulling," from haul (v.). Meaning "something gained" is from 1776, a figurative use from the meaning "the quantity of fish taken in one haul of a net," or perhaps on the notion of "drawing" a profit. Meaning "distance over which something must be hauled" (usually with long or short) is attested from 1873.
haul (v.) Look up haul at Dictionary.com
"pull or draw forcibly," 1580s, hall, variant of Middle English halen "to drag, pull" (see hale (v.)). Spelling with -au- or -aw- is from early 17c. Related: Hauled; hauling. To haul off "pull back a little" before striking or otherwise acting is American English, 1802.