Kubota Excavator Sprockets
Aftermarket sprockets (drive sprocket) for Kubota excavators. This page lists 11 OEM part numbers, so you can match your machine to the right number and ask for a quote.
Drive sprockets transfer final drive torque into the track chain bushings. One-piece and segment types available.
Kubota sprocket part numbers by model
| Model | OEM part number | Also fits | Class |
|---|---|---|---|
| Kubota KX040-4 | RD118-14433, RD118-14430, RD148-14430 | KX121-3, KX121-3S, KX121-3ST | 4 t |
| Kubota KX057-4 | RD411-14432, RD411-14430, RD546-14430 | KX057-5, KX161-3, U45-3, U48-4, U55-4 | 5.5 t |
| Kubota KX151 | 68678-14430 | KX161-2 | 5 t |
| Kubota KX61-2 | 68318-14430 | KX61, KX71, KX71-2 | 2.5 t |
| Kubota U35 | RC788-14430, RC411-14432, RC411-14430 | U35S, U35-S2, KX033-4, KX71-3, KX91-3 | 3.5 t |
When to replace sprockets
- Teeth hooked or pointed
- Teeth thinned at the root so the bushings climb the tooth
- A cracked or broken tooth
- Loose or sheared mounting bolts
What to confirm before ordering
- Tooth count
- One-piece sprocket or bolt-on segments
- Number of bolt holes and bolt circle diameter
- Chain pitch, which must match your track chain
Part numbers can change within a model series. If your model is not listed, or you are unsure, send the OEM number or machine serial number and we will check it.
Ordering
| MOQ | 10 pcs per part number; mini excavator parts (up to 6 t) from 1 set per machine |
|---|---|
| Lead time | 7–25 days, depending on part type and quantity |
| Warranty | 12 months |
| Payment | T/T, L/C |
| Shipping port | Xiamen |