This sealcoating trailer has a 700 gallon steel tank with 7 gauge heads and 10 gauge sidewalls. The SR- 700 Trailer-ED comes complete with our hydraulic agitation system and spray system so all you need to do is add sealer and go to work. And, with a 2’ extended metal deck that will hold a 30 gallon melter, a heat shield and dual propane tank holder this unit is also ready to cater to your crack-filling needs. https://safesealofmichigan.com/product/sr-700-trailer- with-extended-deck/