• Type
  • Bottom Roller,Track Roller,Lower Roller
  •  Part Number RD101-99900, RD301-99900, RD10199900, RD30199900, RD101-21902, RD10121902, RC301-21902, RC30121902
  •  Applications For Kubota Excavator:KX121-2, KX121-2(S SERIES), KX61-2, KX61-2(S SERIES), KX 61-2 SS, KX 71-2, KX 91-2, KX 121-2 SS, RX 302
  •  
  • Specifications
  • Type: Single
  • Dimension: 210 x 126 x 126 mm
  • Collar Diameter: 2.84 in / 72 mm
  • Flange Diameter: 4.96 in / 126 mm
  • Length: 7.46 in / 190 mm
  • Shell Length: 5.72 in / 145 mm
  • Shell Outer Diameter: 3.15 in / 80mm
  • Mounting Aperture (thread): 11mm
  •  
  • Features:
  • For Kubota KX61-2 KX71-2 KX91-2 KX121-2 Bottom Roller RD101-99900 RD101-21902

    Type

    Bottom Roller,Track Roller,Lower Roller


    Part Number
    RD101-99900, RD301-99900, RD10199900, RD30199900,
    RD101-21902, RD10121902, RC301-21902, RC30121902


    Applications
    For Kubota Excavator:KX121-2, KX121-2(S SERIES), KX61-2, KX61-2(S SERIES), KX 61-2 SS, KX 71-2, KX 91-2, KX 121-2 SS, RX 302

     

    Specifications

    Type: Single

    Dimension: 210 x 126 x 126 mm

    Collar Diameter: 2.84 in / 72 mm

    Flange Diameter: 4.96 in / 126 mm

    Length: 7.46 in / 190 mm

    Shell Length: 5.72 in / 145 mm

    Shell Outer Diameter: 3.15 in / 80mm

    Mounting Aperture (thread): 11mm

     

    Features:

    Excellent abrasion resistance and high strength
    Cast iron is inherently high carbon content and excellent compressive strength, allowing it to withstand the extreme loads and impact forces of heavy excavation operations. Through the precision casting process, the cast iron bottom rollers have a dense structure and high hardness (surface hardness up to HRC48-54), which significantly reduces wear and extends service life.

    Optimized structural design and stability
    It adopts one-time casting molding technology, which has a compact structure and excellent overall performance. This design reduces assembly errors between components, while the box-type symmetrical rib structure enhances bending and shock absorption, ensuring stability in high-speed operation or heavy-duty operation.

     

    FAQ
    I purchased by mistake, how do I cancel the order?
    Please contact us ASAP. If the item has not been shipped out we can cancel the order for you. If the item was shipped out you can refuse the package and wait for the item to return to us.

    I received your item but it does not fit or is defective
    Please contact us so we can assist you on the matter.

     

    About Us

    Welcome to order our products, we are a responsible seller, if you have any questions, you can always consult us. Our products are strictly factory tested, they are excellent products, you can buy with confidence, please rest assured that we are lifetime warranty.

     

    Our Certificates:

    Our Factory:



    Shipping

    Additional shipping fee may be charged for buyers from Puerto Rico, Hawaii, Alaska, Guam, and the U.S. military address of the United States or other remote area (zone 8-10).

     

    All orders will be shipped within 1 business day after payment cleared. 


    We don't accept PO. BOX address cause UPS won't accept it, please use the valid physical street address. 

     

    Import duties and any other fees are not included in the price or shipping fee.

     

    Payment

    We can accept  Credit card, Debit card, Apple Pay, Google Pay,PayPal ,visa,or master card,thank you.

    Payment must be received within 7 days after auction ends. Unpaid order will be filled for unpaid case after 7 days.

    Unpaid order will be 
     
    filled for unpaid case after 7 days.


    Please make sure your shipping address is correct.

     

    Please note that if your order is more than three months old and you want a lifetime warranty, you will need to pay for shipping to get a brand new one.

    Returns

    If the item you receive is not what you expected, you could send it back for money back or exchange upon your choice. 


    Restocking fees would not be charged if it was caused by mistake of us, and we will do our best to make it right again. 


    Pictures would be asked for proof of problems. This could help expedited the process and reach a favorable solution.


    Your satisfaction is our first priority. Please do not assume a mistake is intentional.
    Negative feedback should only be left as a last resort! 


    We strive for 100% positive feedback, harmonious relations and long term business partners.

    Services

    Buyer Protection:
    If your product breaks, contact us and send photos of the problem, then we will replace it of refund it.
    We offer a free 30 Days warranty with all items in our store.

     

    Need Replacement or Refund:
    1. Contact us with proof of the problem, etc: Photos or detail description.
    2. We verify the problem and resolve it with replacement or refund upon your choice.

     

    Shipping Delay:
    1. Contact us and we will verify the tracking information with our warehouse and shipping agency.
    2. We will contact the shipping carrier for update. 

     

    What Is Not Covered:
    Physical damage caused by abuse or misuse.
    Failures due to fire or water.
    Damage caused from installation.
    Damage caused from impact or fall. 

    Feedback

    Please leave a 5-star positive feedback when you receive the item.

     

    Your feedback and rating is very important to us.

     

    Contact us for any problems.

    For Kubota KX61-2 KX71-2 KX91-2 KX121-2 Bottom Roller RD101-99900 RD101-21902

    Type

    Bottom Roller,Track Roller,Lower Roller


    Part Number
    RD101-99900, RD301-99900, RD10199900, RD30199900,
    RD101-21902, RD10121902, RC301-21902, RC30121902


    Applications
    For Kubota Excavator:KX121-2, KX121-2(S SERIES), KX61-2, KX61-2(S SERIES), KX 61-2 SS, KX 71-2, KX 91-2, KX 121-2 SS, RX 302

     

    Specifications

    Type: Single

    Dimension: 210 x 126 x 126 mm

    Collar Diameter: 2.84 in / 72 mm

    Flange Diameter: 4.96 in / 126 mm

    Length: 7.46 in / 190 mm

    Shell Length: 5.72 in / 145 mm

    Shell Outer Diameter: 3.15 in / 80mm

    Mounting Aperture (thread): 11mm

     

    Features:

    Excellent abrasion resistance and high strength
    Cast iron is inherently high carbon content and excellent compressive strength, allowing it to withstand the extreme loads and impact forces of heavy excavation operations. Through the precision casting process, the cast iron bottom rollers have a dense structure and high hardness (surface hardness up to HRC48-54), which significantly reduces wear and extends service life.

    Optimized structural design and stability
    It adopts one-time casting molding technology, which has a compact structure and excellent overall performance. This design reduces assembly errors between components, while the box-type symmetrical rib structure enhances bending and shock absorption, ensuring stability in high-speed operation or heavy-duty operation.

     

    FAQ
    I purchased by mistake, how do I cancel the order?
    Please contact us ASAP. If the item has not been shipped out we can cancel the order for you. If the item was shipped out you can refuse the package and wait for the item to return to us.

    I received your item but it does not fit or is defective
    Please contact us so we can assist you on the matter.

     

    About Us

    Welcome to order our products, we are a responsible seller, if you have any questions, you can always consult us. Our products are strictly factory tested, they are excellent products, you can buy with confidence, please rest assured that we are lifetime warranty.

     

    Our Certificates:

    Our Factory:

    Item Specifics
    Brand :CarBole
    Type :Track Bottom Roller
    Manufacturer Part Number :RD101-99900, RD301-99900, RD10199900, RD30199900
    Manufacturer Warranty :Lifetime
    Color :Black
    Vintage Part :No
    Material :Cast Iron
    Universal Fitment :No
    Product Use :Excavator track replacement rollers
    Interchange Part Number :RD101-99900, RD301-99900, RD10199900, RD30199900
    Fit For :For Kubota
    Compatible With 1 :For Kubota CK32, K030, KX22, KX 61-2, KX 61-2 SS, KX 71-2
    Items Included :1X Track Bottom Roller
    Item Weight :7.85kg
    Features :High quality Easy to install


    Additional shipping fee may be charged for buyers from Puerto Rico, Hawaii, Alaska, Guam, and the U.S. military address of the United States or other remote area (zone 8-10).

     

    All orders will be shipped within 1 business day after payment cleared. 


    We don't accept PO. BOX address cause UPS won't accept it, please use the valid physical street address. 

     

    Import duties and any other fees are not included in the price or shipping fee.

     

    We can accept  Credit card, Debit card, Apple Pay, Google Pay,PayPal ,visa,or master card,thank you.

    Payment must be received within 7 days after auction ends. Unpaid order will be filled for unpaid case after 7 days.

    Unpaid order will be 
     
    filled for unpaid case after 7 days.


    Please make sure your shipping address is correct.

     

    Please note that if your order is more than three months old and you want a lifetime warranty, you will need to pay for shipping to get a brand new one.

    If the item you receive is not what you expected, you could send it back for money back or exchange upon your choice. 


    Restocking fees would not be charged if it was caused by mistake of us, and we will do our best to make it right again. 


    Pictures would be asked for proof of problems. This could help expedited the process and reach a favorable solution.


    Your satisfaction is our first priority. Please do not assume a mistake is intentional.
    Negative feedback should only be left as a last resort! 


    We strive for 100% positive feedback, harmonious relations and long term business partners.

    Buyer Protection:
    If your product breaks, contact us and send photos of the problem, then we will replace it of refund it.
    We offer a free 30 Days warranty with all items in our store.

     

    Need Replacement or Refund:
    1. Contact us with proof of the problem, etc: Photos or detail description.
    2. We verify the problem and resolve it with replacement or refund upon your choice.

     

    Shipping Delay:
    1. Contact us and we will verify the tracking information with our warehouse and shipping agency.
    2. We will contact the shipping carrier for update. 

     

    What Is Not Covered:
    Physical damage caused by abuse or misuse.
    Failures due to fire or water.
    Damage caused from installation.
    Damage caused from impact or fall. 

    Please leave a 5-star positive feedback when you receive the item.

     

    Your feedback and rating is very important to us.

     

    Contact us for any problems.


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