Product Description
Kubota KX018-4 Bottom Roller
Aftermarket OEM Replacement – Part #RG158-21700
Keep your Kubota KX018-4 undercarriage performing reliably with this aftermarket bottom roller from United Skid Tracks. Bottom rollers support the weight of the machine during travel and digging while guiding the track for smooth, consistent operation.
The Kubota KX018-4 uses three bottom rollers per side, for a total of six per machine. Rollers are sold individually. For best results, inspect all rollers on one side and replace worn components together to help extend track and undercarriage life.
These bottom rollers arrive fully assembled and ready for installation. Original mounting hardware can be reused during installation.
OEM Cross Reference Part Numbers:
RG158-21700, RA231-21700
Mounting Hardware Specifications:
Bolt Size: M12 × 1.25 × 35
Lock Washer: 12 mm
Flat Washer: 12 mm
Bottom Roller Specifications:
Body Width: 5 inches
Diameter: 4 1/2 inches
Replacing worn bottom rollers helps maintain proper track alignment, reduce uneven wear, and maximize the service life of your Kubota KX018-4 undercarriage.
WARNING: Cancer and Reproductive harm. See www.P65Warnings.ca.gov