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Kubota KX 121-3 Drive Sprocket

SKU: RD118-14433
Weight: 32 lbs

Buy Kubota KX 121-3 replacement drive sprockets online individually but inspect your entire undercarriage and consider replacing the rubber track and sprocket at the same time to maximize the lifespan of the undercarriage and minimize premature wearing.

Price: $129.00
Kubota KX 121-3 Drive Sprocket
Kubota KX 121-3 Drive Sprocket
Product Details

This is the replacement aftermarket steel drive sprocket for the Kubota KX 121-3 mini excavator. The overall sprocket diameter is fifteen inches from tooth tip across to the opposite tooth tip when it is brand new with no wearing. There are nine bolt holes in the sprocket to mount to the original travel motor. There are twenty three teeth on the sprocket for precise unique fitment with a specialized rubber track that is specifically designed for the Kubota KX 121-3 and some Kubota KX 040-4. Must verify fit for KX 040-4. It does not interchange with any other manufacturer or model so be sure you are buying from knowledgeable, experienced staff that knows your Kubota KX 121-3. The drive motor mounting hole diameter is eight inches across. The widest part of the sprocket at the base of the tooth is 1 1/2 inches.


Alternate Part Number: Kubota dealer part number: RD118-14433
Alternate Model: The RD118-14433 drive sprocket is known to fit the Kubota KX040-4 models in addition to the KX121-3. There is an optional drive sprocket for certain serial numbers so please verify your diameter prior to ordering online.
Alternate Part: There are no known alternate part listings for the KX 121-3 mini excavator, this sprocket is guaranteed to fit.

Kubota KX121-3 Undercarriage Parts

Here is the complete line of undercarriage parts for the Kubota KX 121-3 including the rubber track, drive sprocket, bottom rollers, top rollers, and tension idler.

Kubota 121-3 Sprocket RD118-14433 Kubota Top Carrier Roller RD411-22900Kubota Bottom Roller RD118-21700 Kubota Tension Ider RD118-21300