... ,200mm c) Min. dia.: 1,500mm d) Actual capacity: 60cbm e) Tanker wall depth: 6mm f) Surface preparation: sand-blasting, rust ... : forged steel, 2" or 3.5", welded or bolt-in e) Landing gear: single5) Brake system: a) Safe and reliable dual ... our 30 years' experiences of producing trailer. CIMC HUAJUN fuel tank semi trailer