I would use just one Fixed Asset account for trucks and use the FAM (Fixed Asset Manager) component of Enterprise to manage the 80 trucks. You can additionally assign a class to each truck to track income and expense generated per each truck as well as tracking each of 80 individual loans if you have that many. Yes you would need one liability account for each loan but not a separate asset account with the tools you have.
I, on the other hand, only having a Fixed Asset List in Pro (no FAM) have a single asset account for each property and vehicle owned