Standard Poly Tub: 12 cu. ft. heaping, 6.75 cu. ft. liquid line, made of polyethylene and is good for light weight to medium weight materials like dirt, sand, gravel, etc.
Slurry Tub: 12 cu. ft. heaping and 6.75 cu. ft. liquid line, made of polyethylene and primarily used for hauling wet concrete.
Galvanized Steel Tub: 9 cu. ft. heaping, 5 cu. ft. liquid line, made of galvanized steel and best for demolition projects.