A 30×40 barn could comfortably fit approximately 5 standard sized tractors side by side, while also giving you enough room to move around and store extra bits and pieces.
Using a steel prefabricated kit comes with many benefits; namely, that steel is resistant to many of the problems associated with wood such as rot and insect infestation. This means that while steel barns are initially the cheaper option, they will also likely last longer too.
A prefabricated kit means that each of the parts that make up your barn are manufactured elsewhere, then brought to your location for assembly.
Popular sizes: