HDX TYPE - HDX Sets FX-4050 Modult X-GEN 1 Repair Set DETAILS FX-4010 Modul X-GEN 2 Trailer-Axle Serin-Sertel DETAILS FX-4040 Mark II-III Type Piston Version Repair Set DETAILS FX-4020 HDX Repair Set DETAILS FX-4030 Mark IV Type - HDX Repair Set DETAILS