diff --git a/db/changes/240401/01-saleGroupDetailDefaultSize.sql b/db/changes/240401/01-saleGroupDetailDefaultSize.sql
new file mode 100644
index 0000000000..12f17c5e71
--- /dev/null
+++ b/db/changes/240401/01-saleGroupDetailDefaultSize.sql
@@ -0,0 +1,2 @@
+ALTER TABLE vn.productionConfig ADD itemPreviousDefaultSize int NULL COMMENT 'Altura por defecto para los artículos de previa';
+UPDATE IGNORE vn.productionConfig SET itemPreviousDefaultSize = 40 WHERE id = 1;
diff --git a/modules/route/back/models/routesMonitor.json b/modules/route/back/models/routesMonitor.json
index e5a0f60621..1220263364 100644
--- a/modules/route/back/models/routesMonitor.json
+++ b/modules/route/back/models/routesMonitor.json
@@ -1,6 +1,9 @@
 {
     "name": "RoutesMonitor",
-	"base": "Loggable",
+	"base": "VnModel",
+    "mixins": {
+        "Loggable": true
+    },
     "options": {
         "mysql": {
             "table": "routesMonitor"
diff --git a/print/templates/reports/collection-label/collection-label.html b/print/templates/reports/collection-label/collection-label.html
index a699d4ac5c..a0bfcad0ee 100644
--- a/print/templates/reports/collection-label/collection-label.html
+++ b/print/templates/reports/collection-label/collection-label.html
@@ -15,7 +15,7 @@
                     <td id="outline" class="ellipsize">{{labelData.workerCode || '---'}}</td>
                 </tr>
                 <tr>
-                    <td id="outline" class="ellipsize">{{labelCount || labelData.labelCount || 0}}</td>
+                    <td id="outline" class="ellipsize">{{labelData.labelCount || 0}}</td>
                 </tr>
                 <tr>
                     <td id="outline" class="ellipsize">{{labelData.code == 'V' ? (labelData.size || 0) + 'cm' : (labelData.volume || 0) + 'm³'}}</td>
diff --git a/print/templates/reports/collection-label/collection-label.js b/print/templates/reports/collection-label/collection-label.js
index d45ecb2bce..cd6ff719a1 100644
--- a/print/templates/reports/collection-label/collection-label.js
+++ b/print/templates/reports/collection-label/collection-label.js
@@ -18,9 +18,9 @@ module.exports = {
         }
     },
     async serverPrefetch() {
+        await this.rawSql('SET @hasPrevia := 0');
         let ticketIds;
         const res = await this.rawSqlFromDef('tickets', [this.id]);
-
         if (res.length) {
             ticketIds = [];
             for (const row of res)
diff --git a/print/templates/reports/collection-label/sql/labelsData.sql b/print/templates/reports/collection-label/sql/labelsData.sql
index fef692272c..7a12a56d33 100644
--- a/print/templates/reports/collection-label/sql/labelsData.sql
+++ b/print/templates/reports/collection-label/sql/labelsData.sql
@@ -7,14 +7,16 @@ SELECT c.itemPackingTypeFk code,
         cc.code color,
         t.clientFk,
         CAST(SUM(sv.volume) AS DECIMAL(5, 2)) volume,
-        MAX(i.`size`) `size`,
+        MAX(
+            IF(sgd.id, IFNULL(pc.itemPreviousDefaultSize, i.`size`), i.`size`)
+        ) `size`,
         w.code workerCode,
         TIME_FORMAT(t.shipped, '%H:%i') shippedHour,
         TIME_FORMAT(zo.`hour`, '%H:%i') zoneHour,
         DATE_FORMAT(t.shipped, '%d/%m/%y') shipped,
         tt.labelCount,
         t.nickName,
-        COUNT(*) lineCount,
+        SUM(IF(sgd.id, IF(@hasPrevia, 0, @hasPrevia := 1), 1)) lineCount,
         rm.routeFk
     FROM vn.ticket t
         JOIN vn.ticketCollection tc ON tc.ticketFk = t.id
@@ -23,7 +25,7 @@ SELECT c.itemPackingTypeFk code,
             AND cc.wagon = tc.wagon
             AND cc.trainFk = c.trainFk
         JOIN vn.sale s ON s.ticketFk = t.id
-        LEFT JOIN vn.saleVolume sv ON sv.saleFk = s.id    
+        LEFT JOIN vn.saleVolume sv ON sv.saleFk = s.id
         JOIN vn.item i ON i.id = s.itemFk
         JOIN vn.itemType it ON it.id = i.typeFk
         JOIN vn.itemCategory ic ON ic.id = it.categoryFk
@@ -32,7 +34,9 @@ SELECT c.itemPackingTypeFk code,
         LEFT JOIN vn.ticketTrolley tt ON tt.ticket = t.id
         LEFT JOIN vn.`zone` zo ON t.zoneFk = zo.id
         LEFT JOIN vn.routesMonitor rm ON rm.routeFk = t.routeFk
-        LEFT JOIN vn.expeditionTruck et ON et.id = rm.expeditionTruckFk    
+        LEFT JOIN vn.expeditionTruck et ON et.id = rm.expeditionTruckFk
+        LEFT JOIN vn.saleGroupDetail sgd ON sgd.saleFk = s.id
+        JOIN vn.productionConfig pc
     WHERE t.id IN (?)
     GROUP BY t.id
-    ORDER BY cc.`code`;
\ No newline at end of file
+    ORDER BY cc.`code`
\ No newline at end of file