diff --git a/resources/definitions/elegoo_neptune_4pro.def.json b/resources/definitions/elegoo_neptune_4pro.def.json
new file mode 100644
index 00000000000..c393efd856a
--- /dev/null
+++ b/resources/definitions/elegoo_neptune_4pro.def.json
@@ -0,0 +1,38 @@
+{
+    "version": 2,
+    "name": "ELEGOO NEPTUNE 4 Pro",
+    "inherits": "elegoo_base",
+    "metadata":
+    {
+        "visible": true,
+        "author": "Evident",
+        "quality_definition": "elegoo_base"
+    },
+    "overrides":
+    {
+        "machine_name": { "default_value": "ELEGOO NEPTUNE 4 Pro" },
+        "machine_depth": { "default_value": 235 },
+        "machine_height": { "default_value": 270 },
+        "machine_width": { "default_value": 235 },
+        "machine_head_with_fans_polygon":
+        {
+            "value": [
+                [-55, 30],
+                [55, 30],
+                [55, -35],
+                [-55, -35]
+            ]
+        },
+        "machine_end_gcode": { "default_value": "G91 ;Relative positionning\nG1 E-2 F2700 ;Retract a bit\nG1 E-2 Z0.2 F1600 ;Retract and raise Z\nG1 X5 Y5 F3000 ;Wipe out\nG1 Z2 ;Raise Z more\nG90 ;Absolute positionning\nG1 X0 Y{machine_depth} ;Present print\nM106 S0 ;Turn-off fan\nM104 S0 ;Turn-off hotend\nM140 S0 ;Turn-off bed\nM84 X Y E ;Disable all steppers but Z" },
+        "machine_start_gcode": { "default_value": "G28 ;home\nG92 E0 ;Reset Extruder\nG1 Z4.0 F3000 ;Move Z Axis up\nG92 E0 ;Reset Extruder\nG1 X1.1 Y20 Z0.28 F5000.0 ;Move to start position\nG1 X1.1 Y80.0 Z0.28 F1500.0 E10 ;Draw the first line\nG1 X1.4 Y80.0 Z0.28 F5000.0 ;Move to side a little\nG1 X1.4 Y20 Z0.28 F1500.0 E20 ;Draw the second line\nG92 E0 ;Reset Extruder\nG1 Z2.0 F3000 ;Move Z Axis up" },
+        "material_bed_temperature": { "value": "default_material_bed_temperature + 10" },
+        "infill_overlap": { "value": "0 if infill_sparse_density < 40.01 and infill_pattern != 'concentric' else -5" },
+        "retraction_amount": { "value": 1 },
+        "retraction_count_max": { "value": 80 },
+        "retraction_prime_speed": { "resolve": 25 },
+        "retraction_retract_speed": { "resolve": 25 },
+        "retraction_speed": { "resolve": 25 },
+        "speed_travel": { "value": "300 if speed_print < 300 else speed_print * 1.25 if speed_print < 400 else 500" },
+        "speed_travel_layer_0": { "value": "200" }
+    }
+}