From b642b4a881ef645842242d389ff90a1d8cfc7e61 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Sat, 27 Aug 2011 08:41:36 +0000
Subject: [PATCH] (svn r22847) -Fix (r22816): Wagons shall not be processed by
 autorenew.

---
 src/vehicle.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 4aa24f5463..890ecf6bc3 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -81,7 +81,9 @@ bool Vehicle::NeedsAutorenewing(const Company *c) const
 
 	if (!c->settings.engine_renew) return false;
 	if (this->age - this->max_age < (c->settings.engine_renew_months * 30)) return false;
-	if (this->age == 0) return false; // rail cars don't age and lacks a max age
+
+	/* Only engines need renewing */
+	if (this->type == VEH_TRAIN && !Train::From(this)->IsEngine()) return false;
 
 	return true;
 }