diff --git a/src/articulated_vehicles.cpp b/src/articulated_vehicles.cpp
--- a/src/articulated_vehicles.cpp
+++ b/src/articulated_vehicles.cpp
@@ -398,6 +398,7 @@ void AddArticulatedParts(Vehicle *first)
 		v->y_pos = first->y_pos;
 		v->z_pos = first->z_pos;
 		v->date_of_last_service = first->date_of_last_service;
+		v->date_of_last_service_newgrf = first->date_of_last_service_newgrf;
 		v->build_year = first->build_year;
 		v->vehstatus = first->vehstatus & ~VS_STOPPED;