... GM30F,M2X96,M2X120,SG04,SG08 excavator main pump transmission gear Excavator spare parts:gearsCATERPILLAR,VOLVO,KOMATSU,HITACHI, ... gear, travel coupling, planet gear, gear RV, planet carrier, travel hub,travel gear discs, swing gear shafts,gear ring,travel duplicate planet gear ... excavator modeldescriptionspecificationEX120-5travel 2nd planet gear 37 TEX120-5travel 1st planet gear 40 TEX120-5travel 2nd ...