Excavator Sprockets
Drive sprockets transfer final drive torque into the track chain bushings. One-piece and segment types available.
Typical materials for sprockets
| Material | 40SiMnTi / 35MnB |
|---|---|
| Surface hardness | HRC 52–58 |
| Process | Cast, quenched and tempered |
Common industry values for this part type. The actual steel grade and hardness depend on the part number and are confirmed with each quote.
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
Komatsu Sprockets
Caterpillar (CAT) Sprockets
Hitachi Sprockets
Kobelco Sprockets
Hyundai Sprockets
Volvo Sprockets
Case Sprockets
Kubota Sprockets

Kubota KX040-4 Sprocket
RD118-14433, RD118-14430, RD148-14430
Also fits: KX121-3, KX121-3S, KX121-3ST

Kubota KX057-4 Sprocket
RD411-14432, RD411-14430, RD546-14430
Also fits: KX057-5, KX161-3, U45-3, U48-4, U55-4

Kubota KX151 Sprocket
68678-14430
Also fits: KX161-2

Kubota KX61-2 Sprocket
68318-14430
Also fits: KX61, KX71, KX71-2

Kubota U35 Sprocket
RC788-14430, RC411-14432, RC411-14430
Also fits: U35S, U35-S2, KX033-4, KX71-3, KX91-3
Terex Sprockets
Takeuchi Sprockets
Can't find your model?
Our partner factories make sprockets for hundreds of machine models not listed here. Send the OEM number or machine model.







