diff --git a/src/vehicle.cpp b/src/vehicle.cpp
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -626,7 +626,7 @@ bool Vehicle::IsEngineCountable() const
 	switch (this->type) {
 		case VEH_AIRCRAFT: return Aircraft::From(this)->IsNormalAircraft(); // don't count plane shadows and helicopter rotors
 		case VEH_TRAIN:
-			return !Train::From(this)->IsArticulatedPart() && // tenders and other articulated parts
+			return !this->IsArticulatedPart() && // tenders and other articulated parts
 					!Train::From(this)->IsRearDualheaded(); // rear parts of multiheaded engines
 		case VEH_ROAD: return RoadVehicle::From(this)->IsFrontEngine();
 		case VEH_SHIP: return true;
@@ -1538,7 +1538,7 @@ LiveryScheme GetEngineLiveryScheme(Engin
 	switch (e->type) {
 		default: NOT_REACHED();
 		case VEH_TRAIN:
-			if (v != NULL && parent_engine_type != INVALID_ENGINE && (UsesWagonOverride(v) || (Train::From(v)->IsArticulatedPart() && e->u.rail.railveh_type != RAILVEH_WAGON))) {
+			if (v != NULL && parent_engine_type != INVALID_ENGINE && (UsesWagonOverride(v) || (v->IsArticulatedPart() && e->u.rail.railveh_type != RAILVEH_WAGON))) {
 				/* Wagonoverrides use the colour scheme of the front engine.
 				 * Articulated parts use the colour scheme of the first part. (Not supported for articulated wagons) */
 				engine_type = parent_engine_type;