This replacement gearbox and motor as available in any configuration for any tank. Please check the descriptions below to select the correct configuration for your tank. The motor, gearbox stay the same the only parts which change in the different configurations are the shaft adapter and mounting plate.
1. Sunset and Surge: This package fits all Sunset tanks and all Surge tanks with the exception of the round surge tanks with the thermometer in the center, if you have one of the very rare round tanks read #4
2. Mueller: This package fits all Mueller tanks except the "Eye Bolt" tanks, these are very easily identified by the eye bolt which is sticking out of the top of the gearbox/motor assembly. If you have the eye bolt style read #5
3. Delaval: This package fits Delaval tanks
4. Surge "Round" tanks: This package fits the perfectly round Surge tanks with the thermometer in the center. These are quite rare, if you have an elliptical tank read #1
5. "Eye Bolt" Mueller: This package fits the Mueller tanks which have the "Eye Bolt" sticking out the top of the gearbox/motor if you do not have an eye bolt tank read #2