diff --git a/core/modules/config_translation/migration_templates/d6_i18n_system_site.yml b/core/modules/config_translation/migration_templates/d6_i18n_system_site.yml
new file mode 100644
index 0000000..993c2f3
--- /dev/null
+++ b/core/modules/config_translation/migration_templates/d6_i18n_system_site.yml
@@ -0,0 +1,42 @@
+id: d6_i18n_system_site
+label: Site configuration
+migration_tags:
+  - Drupal 6
+source:
+  plugin: i18n_variable
+  constants:
+    slash: '/'
+  variables:
+    - site_name
+    - site_mail
+    - site_slogan
+    - site_frontpage
+    - site_403
+    - site_404
+    - drupal_weight_select_max
+    - admin_compact_mode
+process:
+  langcode: language
+  name: site_name
+  mail: site_mail
+  slogan: site_slogan
+  'page/front':
+    plugin: concat
+    source:
+      - constants/slash
+      - site_frontpage
+  'page/403':
+    plugin: concat
+    source:
+      - constants/slash
+      - site_403
+  'page/404':
+    plugin: concat
+    source:
+      - constants/slash
+      - site_404
+ #weight_select_max: drupal_weight_select_max
+ #admin_compact_mode: admin_compact_mode
+destination:
+  plugin: config
+  config_name: system.site
diff --git a/core/modules/config_translation/src/Tests/Migrate/d6/MigrateSystemSiteTest.php b/core/modules/config_translation/src/Tests/Migrate/d6/MigrateSystemSiteTest.php
new file mode 100644
index 0000000..87f6def
--- /dev/null
+++ b/core/modules/config_translation/src/Tests/Migrate/d6/MigrateSystemSiteTest.php
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\config_translation\Tests\Migrate\d6\MigrateSystemSiteTest.
+ */
+
+namespace Drupal\config_translation\Tests\Migrate\d6;
+
+use Drupal\migrate_drupal\Tests\d6\MigrateDrupal6TestBase;
+
+/**
+ * Upgrade site variables to system.*.yml.
+ *
+ * @group migrate_drupal_6
+ */
+class MigrateSystemSiteTest extends MigrateDrupal6TestBase {
+
+  public static $modules = ['language', 'config_translation'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    $this->executeMigration('d6_i18n_system_site');
+  }
+
+  protected function assertEntity($language, $name, $mail, $slogan, $page_403, $page_404, $page_front, $admin_compact_mode) {
+    $config_translation = \Drupal::service('language_manager')->getLanguageConfigOverride($language, 'system.site');
+
+    $this->assertIdentical($name, $config_translation->get('name'));
+    $this->assertIdentical($mail, $config_translation->get('mail'));
+    $this->assertIdentical($slogan, $config_translation->get('slogan'));
+    $this->assertIdentical($page_403, $config_translation->get('page.403'));
+    $this->assertIdentical($page_404, $config_translation->get('page.404'));
+    $this->assertIdentical($page_front, $config_translation->get('page.front'));
+    $this->assertIdentical($admin_compact_mode, $config_translation->get('admin_compact_mode'));
+  }
+
+  /**
+   * Tests migration of system (site) variables to system.site.yml.
+   */
+  public function testSystemSite() {
+    $this->assertEntity('fr', 'fr site name', 'fr_site_mail@example.com', 'fr Migrate rocks', '/fr-user', '/fr-page-not-found', '/node', NULL);
+  }
+
+}