300 - TRACTOR 40 FRONT SUPPORT, SIDE FRAMES, FRAME WEIGHTS AND COUNTERWEIGHTS Parts group 40 FRONT SUPPORT, SIDE FRAMES, FRAME WEIGHTS AND COUNTERWEIGHTS 40 FRONT SUPPORT, SIDE FRAMES, FRAME WEIGHTS AND COUNTERWEIGHTS . FRONT SUPPORT [01I18] SIDE FRAMES [01I19] FRONT AXLE COUNTERWEIGHT FOR BACKHOE (260 KG (574 LBS)) [01I20] FRONT AXLE COUNTERWEIGHT FOR BACKHOE 123 KG (271 LBS.) [01I21] FRAME WEIGHTS [01I22]