Do you know what fire suppression is actually required?
No, you will need to look into your local health dept regulations to find that out as all cities / states / counties are different.
Is this truck is still available?
Yes, it is still available (Aug 08, 2018)
Does it have a freezer as well?
Do you know roughly the amount of propane for normal operation?
Is the vehicle tags up to date and is kitchen legal?
This truck does not have a fire suppression system.
Is this still available?
Yes, it is still available (May 10, 2018)
Does this truck have a fire suppression system?
No, it does not, need to be added.