The phrase "large haul" means collecting or obtaining a big amount or quantity of something. It's like getting a big score or achieving a successful outcome. Full definition
The festival celebrates the man who, according to legend, rescued the town from famine by braving stormy seas to land an especially large haul of pilchards. (greatrail.com)
You are able to jack it up high which is really fun, it's spacious enough for large hauls, and powerful enough to tow a car if you need to. (autolist.com)
Very smooth ride No maintenance problems Great power Large hauling capacity Excellent interior cab that is roomy and comfortable great stereo (autolist.com)