Newfoundland bull moose realistic meat amount

I'm trying to have my gear ready for a drive up from Ohio for bull moose soon. From the internet I see meat from a bull range from 350-600 pounds, yet I've seen guy's saying substantially less. What number is realistic? Bringing 4 120qt and maybe one 150qt. what size cooler would it take for a cape if needed? Thanks everyone, super excited for this hunt I thought would never happen.
How did your hunt go?
 
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