Skip to product information
1 of 1

Kubota KX 121-3 Drive Sprocket RD118-14433 (Fit Kubota KX 121-3 KX 040-4 Excavator)

Basic Info.

  • Item Fit: Yanmar VIO 45-6a
  • Item Condition: New
  • Item Weight: 34 lbs
  • Item Maker: FLundercarriage
  • Place of Origin: Quanzhou

Delivery Info.

  • Inventory Class: Standing
  • Packaging: Carton/Pallet
  • ETD: 24-72 Hours
  • ETA: 5-30 Days
RD118-14433 Sprocket for Kubota Mini Excavators
Looking for a replacement drive sprocket for your Kubota mini excavator? Our RD118-14433 aftermarket steel drive sprocket is engineered for precision and durability, matching your Kubota KX 121-3 models, including the KX 121-3SS and KX 121-3ST.
Key Sprocket Details:
  • Comes with 23 teeth for efficient operation.
  • Features 9 bolt holes for secure attachment.
  • Sports an inside diameter of 8 inches and outside diameter of 14 7/8 inches.
  • Has a width at the base of each tooth of 1 1/2 inches.
Installation Tips:
  • Replace your drive sprocket using the factory bolts you already have.
  • Follow the torque specifications from your original sprocket's manual when hand-tightening, to avoid damage from over-tensioning.
Bundle Offers:
  • Consider our rubber track and sprocket combination deals for better wear and additional savings. Call us for details!
For Kubota KX 040-4 Owners:
  • The KX 040-4 model may require a different drive sprocket based on serial numbers, so please confirm your sprocket diameter before ordering.
Alternate Kubota Part Numbers:
  • This drive sprocket is also known to replace the following Kubota Dealer Part Numbers:
    • RD118-14433
    • RD118-14431
    • RD118-14430
    • 68658-14430
Compatibility with Other Models:
  • This sprocket (RD118-14433) is known to fit:
    • Kubota KX 121-3
    • Kubota KX 121-3SS
    • Kubota KX 121-3ST
    • Kubota KX 040-4 (For specific serials)
Sprocket Hardness:
  • Our sprockets undergo electrical induction hardening in one step, enhancing durability and preventing tooth breakage.
  • The hardening process closely mirrors that of an original OEM sprocket, offering significant value.
Complete Kubota KX121-3 Undercarriage Parts:
  • We stock the complete line of undercarriage parts for the Kubota KX 121-3, including:
    • Rubber tracks
    • Drive sprockets
    • Bottom rollers
    • Top rollers
    • Tension idlers
For any assistance with your order or to inquire more about our products, our expert team is just a call away to guide you with every step.

61 in stock

View full details

Flundercarriage Show

  • 20+ Years Experience

  • 100+ Dealers Globally

  • 300000+ stock Keeping units

  • 50000000+ USD Annual sales

Product Range

Our sprockets are built to withstand extreme conditions, ensuring smooth and efficient power transmission in your machinery. Crafted from high-quality materials, they offer exceptional wear resistance and durability, making them ideal for heavy-duty applications. Trust our sprockets to enhance the performance and longevity of your equipment, keeping operations running smoothly.

Machinery brands our parts are suitable for Bobcat, Caterpillar, Case, Doosan, GEHL, Hitachi, Hyundai, IHI, Kubota, Kobelco, Komatsu, Pel-Job, Takeuchi, Volvo etc.

How are your sprockets produced

Trade Show Events

FAQ

How often do excavator sprockets need to be changed?

A sharp gear indicates that the gear is worn. Check whether there are grooves around and under the gear that are similar to the chain shape. This "shadow" wear indicates that the gear has been seriously worn and should be replaced.

What are the contributing factors that lead to the deterioration of sprockets on an excavator?

Several factors lead to wear and tear of excavator sprockets, including:Heavy usage, Abrasive environments, Improper track tension, Inadequate maintenance, Rough operation, Quality of the sprockets, Misalignment of components, Age and metal fatigue

What maintenance routine can I follow to ensure my excavator sprockets last longer?

To extend the life of your excavator sprockets, implement a maintenance routine that includes:Regular cleaning of debris and dirt,Frequent inspections for wear,Ensuring correct track tension,Prompt replacement of worn parts,Lubrication to reduce friction,Using high-quality replacement sprockets,Operator training to prevent harsh handling.