diff --git a/backend/modules/fleet/serializers.py b/backend/modules/fleet/serializers.py
index 5a72815..a068f65 100644
--- a/backend/modules/fleet/serializers.py
+++ b/backend/modules/fleet/serializers.py
@@ -207,12 +207,13 @@ class VehicleServiceRecordSerializer(serializers.ModelSerializer):
     performed_by_name = serializers.SerializerMethodField()
     vehicle_registration = serializers.SerializerMethodField()
     task_label = serializers.SerializerMethodField()
+    crane_serial_number = serializers.SerializerMethodField()
 
     class Meta:
         model = VehicleServiceRecord
         fields = [
             'id', 'vehicle', 'crane', 'vehicle_registration', 'crane_registration',
-            'task', 'task_label',
+            'task', 'task_label', 'crane_serial_number',
             'performed_by', 'performed_by_name',
             'service_title', 'description', 'parts', 'cost',
             'service_date', 'mileage', 'next_service_due_at',
@@ -261,6 +262,12 @@ class VehicleServiceRecordSerializer(serializers.ModelSerializer):
             return None
         return obj.task.title
 
+    def get_crane_serial_number(self, obj):
+        # Provjeri je li povezano vozilo/dizalica postoji i vrati serijski broj
+        if hasattr(obj, 'vehicle') and obj.vehicle:
+            return getattr(obj.vehicle, 'crane_serial_number', None)
+        return None
+
     def create(self, validated_data):
         request = self.context.get('request')
         user = getattr(request, 'user', None)
diff --git a/frontend/src/components/dashboard/FleetDashboardShell.jsx b/frontend/src/components/dashboard/FleetDashboardShell.jsx
index e0c6373..bf17be7 100644
--- a/frontend/src/components/dashboard/FleetDashboardShell.jsx
+++ b/frontend/src/components/dashboard/FleetDashboardShell.jsx
@@ -898,7 +898,7 @@ export default function FleetDashboardShell({ initialSection = 'dashboard', page
                                                         <AnimatedDataTable
                                                             columns={[
                                                                 { key: 'date', label: 'Datum', className: 'px-4 py-3' },
-                                                                { key: 'crane', label: 'Dizalica', className: 'px-4 py-3' },
+                                                                { key: 'crane', label: 'SN', className: 'px-4 py-3' },
                                                                 { key: 'description', label: 'Opis', className: 'px-4 py-3' },
                                                                 { key: 'cost', label: 'Trošak', className: 'px-4 py-3' },
                                                                 { key: 'files', label: 'Datoteke', className: 'px-4 py-3' },
@@ -909,8 +909,11 @@ export default function FleetDashboardShell({ initialSection = 'dashboard', page
                                                             rowClassName="hover:bg-canvas-deep"
                                                             renderRow={(record) => (
                                                                 <>
+                                                                    {/* <pre className="text-xs bg-gray-100 p-2">
+                                                                    {JSON.stringify(group, null, 2)}
+                                                                    </pre> */}
                                                                     <td className="px-4 py-3">{formatDate(record.service_date)}</td>
-                                                                    <td className="px-4 py-3">{record.crane_registration || record.vehicle_registration || '-'}</td>
+                                                                    <td className="px-4 py-3">{record.crane_serial_number || record.vehicle_registration || '-'}</td>
                                                                     <td className="max-w-md truncate px-4 py-3" title={record.description || ''}>
                                                                         {record.description || '-'}
                                                                     </td>