RD118-14433 Kubota KX 121-3 Drive Sprockets

New undercarriage parts and rubber tracks are sold individually but we suggest replacing all of your worn parts at the same time.

This is the replacement aftermarket steel drive sprocket for the Kubota KX 121-3 mini excavator. This is a direct replacement drive sprocket reusing your factory bolts. We suggest changing your sprockets and rubber tracks together for more even wear and increased savings.

Sprocket Specifications:

23 Teeth
9 Bolt Holes
Inside Diameter: 8 Inches
Outside Diameter: 14 7/8 Inches
Width at Base of Tooth: 1 1/2 Inches

This is a direct replacement drive sprocket reusing your factory bolts. The factory suggests hand tightening to the torque specifications of your original sprocket and not to over tension with an impact which could potentially over tighten and damage the sprocket.

We do offer rubber track and sprocket combination packages for increased savings so please call for details if you have any questions.

Alternate Part Number:	Kubota dealer part number: RD118-14433, RD118-14430, RD118-14431, 68658-14430
Alternate Model:	The RD118-14433 drive sprocket is known to fit the Kubota KX 121-3 models in addition to the KX040-4. 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.
Combo Package:	Save more by purchasing Kubota KX121-3 rubber tracks and sprockets packaged as a combo price.

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.