A: The excavator will slowly roll or drift when parked on inclines, or you will hear a high-pitched squealing sound coming from the undercarriage hub as the motor tries to overcome a sticking brake disc.
A: Use a calibrated torque wrench to tighten all high-tensile sprocket bolts in a cross-star pattern to prevent hub distortion. Ensure that the surrounding frame pocket is completely clear of packed dirt and rust scale.
A: Yes, it is engineered as a direct drop-in replacement that matches original equipment specifications. This ensures that the internal spline sizes and mounting holes match the factory EX60-5 crawler setups precisely.






















