Manufacturer of Tank: N/A Year built: N/A Size of Tank: 4,000 Gal. Type of Tank: Double Wall Steel with concrete insulation UL Rating: 2085 Any Issues (Leaks, etc.): N/A Additional Equipment: Stairs included Related products SoldUsed Tank & System Market Place17,000 Gallon Vertical Single Walled Tank SoldUsed Tank & System Market Place(4) 20,000 gallon tanks & (1) 10,000 gallon tank SoldUsed Tank & System Market Place300 Gallon Day Tank