100% Original Idler Rollers Caterpillar Bulldozer - KUBOTA KX121-3 IDLER RD118-21300 – Junhua
100% Original Idler Rollers Caterpillar Bulldozer - KUBOTA KX121-3 IDLER RD118-21300 – Junhua Detail:
Product Description
This is the aftermarket replacement idler for Kubota mini excavator.
This is the idler designed to tension and tighten the rubber track and expands as you grease the tensioner to tighten the track.
This idler assembly comes fully assembled with the bearing ready for installation, just reuse your existing bolts to bolt to the tensioner.
This idler has yokes that extend out past the length of the idler wheel diameter. It comes exactly as pictured and does not include the actual tensioner or spring.
This idler assembly (RD118-21300) is known to fit these Kubota mini excavators:
• Kubota KX121-3
• Kubota KX121-3SS
• Kubota KX121-3ST
• Kubota KX040-4
Alternate Part Number
| Kubota | RD118-21300, RD148-21300, RD158-21302 |
Alternate Models
| Kubota | KX121-3, KX121-3SS, KX121-3ST, KX040-4 |
Product detail pictures:




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