| De Hersteller, Sintjohannesga | |
|---|---|
 De Hersteller, May 2009. | |
 | |
| Origin | |
| Mill name | De Hersteller |
| Mill location | Hogedijk 132, 8464 NZ, Sintjohannesga |
| Coordinates | 52°56′50″N 5°46′40″E / 52.94722°N 5.77778°E |
| Operator(s) | Molenstichting De Hersteller |
| Year built | 1857 |
| Information | |
| Purpose | Drainage mill |
| Type | Smock mill |
| Storeys | Two storey smock |
| Base storeys | One storey base |
| Smock sides | Eight sides |
| No. of sails | Four sails |
| Type of sails | Common sails, Fauël system on leading edges |
| Windshaft | Cast iron |
| Winding | Tailpole and winch |
| Type of pump | Archimedes screw |
De Hersteller (English: The Maintainer) is a smock mill in Sintjohannesga, Friesland, Netherlands which was built in 1857. The mill has been converted to residential use but can turn in the wind. It is listed as a Rijksmonument.