diff --git a/api/maven-api-core/src/main/java/org/apache/maven/api/Type.java b/api/maven-api-core/src/main/java/org/apache/maven/api/Type.java
index 5f702b5ed70..c5828094509 100644
--- a/api/maven-api-core/src/main/java/org/apache/maven/api/Type.java
+++ b/api/maven-api-core/src/main/java/org/apache/maven/api/Type.java
@@ -60,6 +60,13 @@ public interface Type extends ExtensibleEnum {
      */
     String JAR = "jar";
 
+    /**
+     * Artifact type name for a fat-JAR file that can be only on the class-path.
+     * The fat-JAR is a self-contained JAR and its transitive dependencies will not be resolved, if any.
+     * This type is new in Maven 4.
+     */
+    String FATJAR = "fatjar";
+
     /**
      * Artifact type name for a JAR file to unconditionally place on the class-path.
      * If the JAR is modular, its module information are ignored.
diff --git a/maven-resolver-provider/src/main/java/org/apache/maven/repository/internal/type/DefaultTypeProvider.java b/maven-resolver-provider/src/main/java/org/apache/maven/repository/internal/type/DefaultTypeProvider.java
index fb833e687d5..8f98250833b 100644
--- a/maven-resolver-provider/src/main/java/org/apache/maven/repository/internal/type/DefaultTypeProvider.java
+++ b/maven-resolver-provider/src/main/java/org/apache/maven/repository/internal/type/DefaultTypeProvider.java
@@ -57,6 +57,7 @@ public Collection<DefaultType> types() {
                         JavaPathType.PATCH_MODULE),
                 new DefaultType(Type.MODULAR_JAR, Language.JAVA_FAMILY, "jar", null, false, JavaPathType.MODULES),
                 new DefaultType(Type.CLASSPATH_JAR, Language.JAVA_FAMILY, "jar", null, false, JavaPathType.CLASSES),
+                new DefaultType(Type.FATJAR, Language.JAVA_FAMILY, "jar", null, true, JavaPathType.CLASSES),
                 // j2ee types
                 new DefaultType("ejb", Language.JAVA_FAMILY, "jar", null, false, JavaPathType.CLASSES),
                 new DefaultType("ejb-client", Language.JAVA_FAMILY, "jar", "client", false, JavaPathType.CLASSES),