E320 CAT Excavator Undercarriage Parts Carrier Top Roller Upper Roller

Caterpillar Spare Parts Carrier Roller E320 Excavator Top Roller

The Carrier roller function is to convey the weight of excavator to the ground,and also to limit the track ro prevent sideslip.The Carrier Roller force the track to slip on the ground when machine turns.Good working and wear-resistance are important. Casting or Forging,maching,heat treatment.The hardness of the wheel surface after quenching should reach HRC50 to HRC58,then increase the wear resistance of the wheel surface.Quality First,and follow customer’s requirement,then provide the best service and products to our customers.We’re doing the best to become one of the best suppliers in heavy machinery parts field for customers.