diff -r a4218ff7549d -r 5129e3add448 train_cmd.c
--- a/train_cmd.c	Mon Oct 02 20:30:20 2006 +0000
+++ b/train_cmd.c	Mon Oct 02 22:10:04 2006 +0000
@@ -1842,6 +1842,9 @@
 
 	_returned_refit_capacity = num;
 
+	/* Update the train's cached variables */
+	if (flags & DC_EXEC) TrainConsistChanged(GetVehicle(p1));
+
 	return cost;
 }