Not sure about your area, but here before I bought or leased a tank, I'd check with whatever insurance company you use and ask them first off, what they are willing to insure, and second where it has to be put so it can be insured, too close to buildings or in an open lot not locked or fenced in, many won't insure it at all. As for a truck, why not just drive it to a local fuel station and fill it up when needed?? For equipment is one thing, for a truck unless you have to drive specifically 20-50 miles one way to get fuel, I'd just fill it when on the road myself, forget the hassle and headaches of a tank, filters, insurance, inspections, a pump that has issues the day you need it the most or someone has stolen the batteries out of or used for target practice and the list is endless and besides, from a pump at a station the fuel is fresher and also most stations don't take a chance on an inspector coming along and pulling a fuel sample and it being bad, so the fuel is also most likely higher quality. Anything most suppliers know won't pass inspection, goes to anyone that they know will never get inspected. You also have evaporation loss to keep in mind on hot summer days, along with condensation issues to deal with when you store your own fuel.
In my area 1000 gallons per tank is the limit for diesel, anything over and the insurance just kills you for costs, it then is considered commercial storage and the rates go through the roof, then after x number of 1000 gallons tanks, your again into commercial rates for insurance no matter what type, brand or style of tank you have. Unless your using a lot of fuel at odd times of the day when stations are not open and not using it to fuel up equipment, many here have gone to fuel at stations for trucks just due to the insurance issues alone. Then ask about fuel tank inspections and how often those have to be done, some area's still require a containment even for double walled tanks to be able to insure them at all no matter who owns the tanks. Buying, leasing or being loaned the tank is always the easy quick part, insurance and inspectors not so much.