{"title":"CAT 300.9D Parts","description":"\u003cp\u003eReplacement parts for the CAT 300.9D, all listed for this machine: track rollers and idler.\u003c\/p\u003e\u003cp\u003eRollers and idlers in our range are built with a heat treated steel casing, sealed shaft and bearings, an oil fill and heavy duty seals. Replacing worn components together keeps wear even across the undercarriage.\u003c\/p\u003e\u003cp\u003eSee the wider range: \u003ca href=\"\/collections\/cat-track-rollers\"\u003eCAT track rollers\u003c\/a\u003e and \u003ca href=\"\/collections\/cat-idlers\"\u003eCAT idlers\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eIf you cannot find the part you need for your CAT 300.9D, contact the team and we will check availability. Shipped across the USA by Excavator Parts Direct.\u003c\/p\u003e","products":[{"product_id":"cat-300-9d-idler","title":"Idler for CAT 300.9D","description":"\u003cp style=\"margin:0 0 1.4rem;font-size:1.5rem;line-height:1.55;color:#201f1e\"\u003eReplacement \u003cstrong\u003eCAT 300.9D idler\u003c\/strong\u003e, guaranteed to fit the CAT 300.9D. Idlers guide the track around the ends of the track frame.\u003c\/p\u003e\u003cul style=\"display:flex;flex-wrap:wrap;gap:0.8rem;list-style:none;padding:0;margin:0 0 1.4rem\"\u003e\n\u003cli style=\"flex:0 0 calc(50% - 0.4rem);box-sizing:border-box;margin:0;padding:0.9rem 1.2rem;background:#f2f2f2;border-radius:0.6rem;list-style:none\"\u003e\n\u003cspan style=\"display:block;font-size:1.1rem;letter-spacing:0.06em;text-transform:uppercase;color:#6b6a69\"\u003ePer machine\u003c\/span\u003e\u003cstrong style=\"display:block;font-size:1.5rem;line-height:1.3;color:#201f1e;font-weight:600\"\u003e2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli style=\"flex:0 0 calc(50% - 0.4rem);box-sizing:border-box;margin:0;padding:0.9rem 1.2rem;background:#f2f2f2;border-radius:0.6rem;list-style:none\"\u003e\n\u003cspan style=\"display:block;font-size:1.1rem;letter-spacing:0.06em;text-transform:uppercase;color:#6b6a69\"\u003eWarranty\u003c\/span\u003e\u003cstrong style=\"display:block;font-size:1.5rem;line-height:1.3;color:#201f1e;font-weight:600\"\u003e12 months\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli style=\"flex:0 0 calc(50% - 0.4rem);box-sizing:border-box;margin:0;padding:0.9rem 1.2rem;background:#f2f2f2;border-radius:0.6rem;list-style:none\"\u003e\n\u003cspan style=\"display:block;font-size:1.1rem;letter-spacing:0.06em;text-transform:uppercase;color:#6b6a69\"\u003eWeight\u003c\/span\u003e\u003cstrong style=\"display:block;font-size:1.5rem;line-height:1.3;color:#201f1e;font-weight:600\"\u003e19.4 lb\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul style=\"display:flex;flex-wrap:wrap;gap:0.4rem 1.6rem;list-style:none;padding:0;margin:0 0 1.6rem\"\u003e\n\u003cli style=\"flex:1 1 18rem;margin:0;font-size:1.4rem;line-height:1.5;color:#201f1e;list-style:none\"\u003e\n\u003cspan aria-hidden=\"true\" style=\"color:#f47a1f;font-weight:700;margin-right:0.6rem\"\u003e✓\u003c\/span\u003eHeat-treated steel casing\u003c\/li\u003e\n\u003cli style=\"flex:1 1 18rem;margin:0;font-size:1.4rem;line-height:1.5;color:#201f1e;list-style:none\"\u003e\n\u003cspan aria-hidden=\"true\" style=\"color:#f47a1f;font-weight:700;margin-right:0.6rem\"\u003e✓\u003c\/span\u003eSealed, oil-filled shaft and bearings\u003c\/li\u003e\n\u003cli style=\"flex:1 1 18rem;margin:0;font-size:1.4rem;line-height:1.5;color:#201f1e;list-style:none\"\u003e\n\u003cspan aria-hidden=\"true\" style=\"color:#f47a1f;font-weight:700;margin-right:0.6rem\"\u003e✓\u003c\/span\u003eHeavy-duty seals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin:0;font-size:1.4rem;line-height:1.5;color:#201f1e\"\u003eShop more: \u003ca href=\"\/collections\/cat-idlers\" style=\"color:#201f1e;text-decoration:underline\"\u003eCAT idlers\u003c\/a\u003e · \u003ca href=\"\/collections\/idler\" style=\"color:#201f1e;text-decoration:underline\"\u003eAll idlers\u003c\/a\u003e\u003c\/p\u003e","brand":"CAT","offers":[{"title":"Default Title","offer_id":55618554855764,"sku":"ID072\/293\/00","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/3793\/5796\/files\/custrecord_image_1_60127_0baa3691-f521-42f7-b18a-390a2c4b2bea.webp?v=1777031917"},{"product_id":"cat-300-9d-bottom-roller","title":"Bottom Roller for CAT 300.9D","description":"\u003cp style=\"margin:0 0 1.4rem;font-size:1.5rem;line-height:1.55;color:#201f1e\"\u003eReplacement \u003cstrong\u003eCAT 300.9D bottom roller\u003c\/strong\u003e (track roller), guaranteed to fit the CAT 300.9D. Bottom rollers run along the underside of the track frame and carry the weight of the machine on the track.\u003c\/p\u003e\u003cul style=\"display:flex;flex-wrap:wrap;gap:0.8rem;list-style:none;padding:0;margin:0 0 1.4rem\"\u003e\n\u003cli style=\"flex:0 0 calc(50% - 0.4rem);box-sizing:border-box;margin:0;padding:0.9rem 1.2rem;background:#f2f2f2;border-radius:0.6rem;list-style:none\"\u003e\n\u003cspan style=\"display:block;font-size:1.1rem;letter-spacing:0.06em;text-transform:uppercase;color:#6b6a69\"\u003ePer machine\u003c\/span\u003e\u003cstrong style=\"display:block;font-size:1.5rem;line-height:1.3;color:#201f1e;font-weight:600\"\u003e4\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli style=\"flex:0 0 calc(50% - 0.4rem);box-sizing:border-box;margin:0;padding:0.9rem 1.2rem;background:#f2f2f2;border-radius:0.6rem;list-style:none\"\u003e\n\u003cspan style=\"display:block;font-size:1.1rem;letter-spacing:0.06em;text-transform:uppercase;color:#6b6a69\"\u003eWarranty\u003c\/span\u003e\u003cstrong style=\"display:block;font-size:1.5rem;line-height:1.3;color:#201f1e;font-weight:600\"\u003e12 months\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli style=\"flex:0 0 calc(50% - 0.4rem);box-sizing:border-box;margin:0;padding:0.9rem 1.2rem;background:#f2f2f2;border-radius:0.6rem;list-style:none\"\u003e\n\u003cspan style=\"display:block;font-size:1.1rem;letter-spacing:0.06em;text-transform:uppercase;color:#6b6a69\"\u003eWeight\u003c\/span\u003e\u003cstrong style=\"display:block;font-size:1.5rem;line-height:1.3;color:#201f1e;font-weight:600\"\u003e7.9 lb\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul style=\"display:flex;flex-wrap:wrap;gap:0.4rem 1.6rem;list-style:none;padding:0;margin:0 0 1.6rem\"\u003e\n\u003cli style=\"flex:1 1 18rem;margin:0;font-size:1.4rem;line-height:1.5;color:#201f1e;list-style:none\"\u003e\n\u003cspan aria-hidden=\"true\" style=\"color:#f47a1f;font-weight:700;margin-right:0.6rem\"\u003e✓\u003c\/span\u003eHeat-treated steel casing\u003c\/li\u003e\n\u003cli style=\"flex:1 1 18rem;margin:0;font-size:1.4rem;line-height:1.5;color:#201f1e;list-style:none\"\u003e\n\u003cspan aria-hidden=\"true\" style=\"color:#f47a1f;font-weight:700;margin-right:0.6rem\"\u003e✓\u003c\/span\u003eSealed, oil-filled shaft and bearings\u003c\/li\u003e\n\u003cli style=\"flex:1 1 18rem;margin:0;font-size:1.4rem;line-height:1.5;color:#201f1e;list-style:none\"\u003e\n\u003cspan aria-hidden=\"true\" style=\"color:#f47a1f;font-weight:700;margin-right:0.6rem\"\u003e✓\u003c\/span\u003eHeavy-duty seals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin:0;font-size:1.4rem;line-height:1.5;color:#201f1e\"\u003eShop more: \u003ca href=\"\/collections\/cat-track-rollers\" style=\"color:#201f1e;text-decoration:underline\"\u003eCAT track rollers\u003c\/a\u003e · \u003ca href=\"\/collections\/track-roller\" style=\"color:#201f1e;text-decoration:underline\"\u003eAll track rollers\u003c\/a\u003e\u003c\/p\u003e","brand":"CAT","offers":[{"title":"Default Title","offer_id":55618554921300,"sku":"TR072\/297\/00","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/3793\/5796\/files\/custrecord_image_1_60132_02705811-f8de-410d-9950-bc9b0cf09893.webp?v=1777031920"}],"url":"https:\/\/excavatorpartsdirect.com\/collections\/cat-300-9d-parts.oembed","provider":"Excavator Parts Direct USA","version":"1.0","type":"link"}