What type of inland marine insurance policy would be most suitable for John to cover his backhoe on and off the job site?

A Contractor's equipment floater is designed specifically to cover tools and equipment used by contractors, including heavy machinery like backhoes, both on and off job sites. This type of policy protects against risks such as theft, damage, or loss while the equipment is in transit or stored away from the primary business location.

In contrast, a Builder's risk policy typically covers structures that are under construction, rather than the equipment used at the site. A Commercial general liability policy provides coverage for bodily injury and property damage to others, but it does not cover equipment itself. Motor vehicle accident insurance is focused on vehicles used on public roads and does not provide coverage for equipment used in a contractor's operations.

Thus, the Contractor's equipment floater is the most appropriate option for ensuring comprehensive coverage for John's backhoe in various scenarios associated with his work.