gas tank dimension for 1989 20 ft center console

[boat_ri_m]

I have a 1989 seacraft 20 ft center console. It says "Tracker Seacraft" on the side of the boat but the title says the manufacturer is a seacraft. I called Tracker and they told me Tracker has owned Seacraft since 2000 and therefore wouldn't have the dimensions? I need to replace the tank and was wondering if someone can provide the dimensions. It's about a 72 gallon tank. Any help is greatly appreciated.