diff --git a/code/game/machinery/upgrade_machinery.dm b/code/game/machinery/upgrade_machinery.dm
new file mode 100644
index 00000000000..03a0477c9dc
--- /dev/null
+++ b/code/game/machinery/upgrade_machinery.dm
@@ -0,0 +1,39 @@
+// Handles automagically upgrades to machines based on components placed on a machine during map init
+/obj/machinery/Initialize(var/mapload)
+	. = ..()
+	// Handles automagically upgrades to machines based on components placed on a machine during map init
+	if(mapload)
+		spawn(100)
+			// Sanity checks
+			if(!QDELETED(src) && isturf(loc))
+				handle_mapped_upgrades()
+// This is meant to be overridden per machine
+/obj/machinery/proc/handle_mapped_upgrades()
+	return
+// Each machine is a special snowflake... sadly.
+/obj/machinery/power/smes/buildable/handle_mapped_upgrades()
+	// Detect new coils placed by mappers
+	var/list/parts_found = list()
+	for(var/i = 1, i <= loc.contents.len, i++)
+		var/obj/item/W = loc.contents[i]
+		if(istype(W, /obj/item/smes_coil))
+			parts_found.Add(W)
+	// If any coils are on us, clear base coils and rebuild using these ones
+	if(parts_found.len == 0)
+		return
+	while(TRUE)
+		var/obj/item/smes_coil/C = locate(/obj/item/smes_coil) in component_parts
+		if(isnull(C))
+			break
+		component_parts.Remove(C)
+		C.forceMove(src.loc)
+		C.Destroy()
+		cur_coils--
+	// Rebuild from mapper's coils
+	for(var/i = 1, i <= parts_found.len, i++)
+		if (cur_coils < max_coils)
+			var/obj/item/W = parts_found[i]
+			cur_coils++
+			component_parts.Add(W)
+			W.forceMove(src)
+	RefreshParts()
diff --git a/vorestation.dme b/vorestation.dme
index 6cfbf26f078..718795d6f7e 100644
--- a/vorestation.dme
+++ b/vorestation.dme
@@ -993,6 +993,7 @@
 #include "code\game\machinery\teleporter.dm"
 #include "code\game\machinery\transportpod.dm"
 #include "code\game\machinery\turret_control.dm"
+#include "code\game\machinery\upgrade_machinery.dm"
 #include "code\game\machinery\vitals_monitor.dm"
 #include "code\game\machinery\wall_frames.dm"
 #include "code\game\machinery\washing_machine.dm"