Tuhorse added three models of 5" submersible pump to their product line. 5 inch deep well pump fits 6" ID casing easily. It is manufactured for an application that requires higher flow or higher head beyond a 4" pump's specification.
The three models are all 10HP, rated flows are 120GPM, 90GPM and 50GPM, available in 3-phase 460V or 3-phase 230V. Single phase is not available in this product line.