Where can you get insurance on a bucket truck so that you can rent it out?

You can get insurance from your regular insurance agent, if that agent understands the business that you are in and your claims history. You should have insurance for liabilty and workers compensation. The range of this coverage will be 500,000 to one million dollars in the US. The premium will be based on the Gross weight of the vehicle and the driving record and experience of the vehicle operator.