Going through some photos from our 2012 seminar in Four Mile, Alabama we came across these photos of a 2,000 gallon tanker built on a repurposed power company line truck. The boom was removed from the heavy-duty chassis and a 2,000 gallon tank was installed. The rig worked pretty well hauling water at our drill and was set-up to support forestry efforts (250 gpm pump plus hose reel.) We don't know if it is still in-service today.