Kubota Sprocket (RD118-14433)

PRODUCT DESCRIPTION

This aftermarket replacement steel drive sprocket is specifically designed for certain Kubota mini excavators. It can be directly installed using original factory bolts. It is recommended to replace the sprocket and rubber track simultaneously to achieve even wear and improve cost-effectiveness.

I. Core Compatible Models
This sprocket (RD118-14433) is guaranteed to fit the following Kubota models precisely:
KX121-3
KX121-3SS
KX121-3ST
KX040-4 (specific serial number models)

II. Specifications of Model RD118-14433
Number of Teeth: 23
Number of Bolt Holes: 9
Inside Diameter: 8 inches
Outside Diameter: 14 7/8 inches
Width at Base of Tooth: 1 1/2 inches

III. Alternate Part Number Notes
Corresponding Kubota dealer part numbers:
RD118-14433, RD118-14431, RD118-14430, 68658-14430

IV. Installation Specifications
Can be directly fastened using original factory bolts.
The factory recommends hand-tightening to the torque specifications of the original sprocket. Avoid over-tightening with impact tools to prevent damage to the component.

V. Combo Package and Model Confirmation Tips
We offer combo packages of rubber tracks and sprockets for further cost savings. For details, please consult customer service.
Some serial number models of Kubota KX040-4 require a dedicated sprocket. Please 务必 confirm the equipment’s diameter parameters before placing an order.

VI. Product Craftsmanship and Quality Features
Sprockets for small track equipment undergo a one-step electrical induction hardening process, which increases the hardness depth of the teeth while preventing breakage.
The hardening depth of this aftermarket sprocket differs from the original OEM specification by only a few millimeters, offering excellent value.

VII. Full Range of Undercarriage Parts for Kubota KX121-3
We also supply a complete set of undercarriage components for the KX121-3 model to meet full maintenance needs:
Rubber tracks
Drive sprocket (this product)
Bottom rollers
Top rollers
Tension idlers