Yamaha ACC-WHEEL-KI-TP Wheel Kit for Models EF4000D/DE, EF5200D/DE and EF6600D/DE Ideal for ease of maneuverability Heavy-duty solid rubber tires to eliminate flats Handles are made to fold down to reduce space requirements and potential damage Fits EF4000D/DE, EF5200D/DE and EF6600D/DE