Index: src/engine_gui.cpp
===================================================================
--- src/engine_gui.cpp	(revision 18778)
+++ src/engine_gui.cpp	(working copy)
@@ -161,7 +161,7 @@
 	} else {
 		SetDParam(5, CT_INVALID);
 	}
-	return (_settings_game.vehicle.train_acceleration_model != TAM_ORIGINAL && e->u.rail.railtype != RAILTYPE_MAGLEV) ? STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER_MAX_TE : STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER;
+	return (_settings_game.vehicle.train_acceleration_model != TAM_ORIGINAL && GetRailTypeInfo(e->u.rail.railtype)->acceleration_type != 2) ? STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER_MAX_TE : STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER;
 }

 static StringID GetAircraftEngineInfoString(const Engine *e)
Index: src/build_vehicle_gui.cpp
===================================================================
--- src/build_vehicle_gui.cpp	(revision 18778)
+++ src/build_vehicle_gui.cpp	(working copy)
@@ -482,7 +482,7 @@
 	y += FONT_HEIGHT_NORMAL;

 	/* Max tractive effort - not applicable if old acceleration or maglev */
-	if (_settings_game.vehicle.train_acceleration_model != TAM_ORIGINAL && rvi->railtype != RAILTYPE_MAGLEV) {
+	if (_settings_game.vehicle.train_acceleration_model != TAM_ORIGINAL && GetRailTypeInfo(rvi->railtype)->acceleration_type != 2) {
 		SetDParam(0, e->GetDisplayMaxTractiveEffort());
 		DrawString(left, right, y, STR_PURCHASE_INFO_MAX_TE);
 		y += FONT_HEIGHT_NORMAL;
Index: src/vehicle_gui.cpp
===================================================================
--- src/vehicle_gui.cpp	(revision 18778)
+++ src/vehicle_gui.cpp	(working copy)
@@ -1531,7 +1531,7 @@
 						SetDParam(1, Train::From(v)->tcache.cached_power);
 						SetDParam(0, Train::From(v)->tcache.cached_weight);
 						SetDParam(3, Train::From(v)->tcache.cached_max_te / 1000);
-						DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, (_settings_game.vehicle.train_acceleration_model != TAM_ORIGINAL && Train::From(v)->railtype != RAILTYPE_MAGLEV) ?
+						DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, (_settings_game.vehicle.train_acceleration_model != TAM_ORIGINAL && GetRailTypeInfo(Train::From(v)->railtype)->acceleration_type != 2) ?
 								STR_VEHICLE_INFO_WEIGHT_POWER_MAX_SPEED_MAX_TE : STR_VEHICLE_INFO_WEIGHT_POWER_MAX_SPEED);
 						break;