diff --git a/resources/extruders/geeetech_A20_1.def.json b/resources/extruders/geeetech_A20_1.def.json
new file mode 100644
index 0000000000..0eba9c3ea9
--- /dev/null
+++ b/resources/extruders/geeetech_A20_1.def.json
@@ -0,0 +1,16 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": { "default_value": 0 },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}