{"id":7967,"date":"2026-07-03T10:53:04","date_gmt":"2026-07-03T02:53:04","guid":{"rendered":"https:\/\/gfmparts.com\/?p=7967"},"modified":"2026-07-03T17:36:53","modified_gmt":"2026-07-03T09:36:53","slug":"gfm-excavator-carrier-rollers-manufactured","status":"publish","type":"post","link":"https:\/\/gfmparts.com\/id\/gfm-excavator-carrier-rollers-manufactured\/","title":{"rendered":"How Are GFM Excavator Carrier Rollers Manufactured?"},"content":{"rendered":"<h3 class=\"wp-block-heading\" id=\"h-key-takeaways\">Key Takeaways<\/h3><ul class=\"wp-block-list\"><li><strong>Core Process<\/strong>: GFM selects premium <strong>40 juta2<\/strong> high-strength alloy steel, utilizing advanced forging techniques and fully automated medium-frequency induction quenching to significantly enhance impact and wear resistance.<\/li>\n\n<li><strong>Broad Compatibility<\/strong>: Our products are perfectly compatible with over <strong>15<\/strong> global leading excavator and bulldozer brands, including Caterpillar, Komatsu, Hitachi, Volvo, Kobelco, Sany, and XCMG.<\/li>\n\n<li><strong>Quality Assurance<\/strong>: GFM provides global buyers with an official warranty period of no less than <strong>one year or 2,000 hours<\/strong>, ensuring <strong>100%<\/strong> rigorous airtightness and hardness testing before shipment.<\/li>\n\n<li><strong>Factory Strength<\/strong>: Specializing in undercarriage parts manufacturing since <strong>2011<\/strong>, GFM operates mature production lines capable of handling large-scale <strong>rol pembawa grosir<\/strong> orders and custom engineering projects.<\/li><\/ul><p>For heavy construction machinery, the durability of the undercarriage system directly dictates overall operational efficiency and running costs. As a critical component of undercarriage parts that supports the track and prevents sagging, a high-quality <strong><a href=\"https:\/\/gfmparts.com\/id\/produk\/produsen-roller-pengangkut-excavator-xcmg-380\/\">rol pembawa ekskavator<\/a><\/strong> must maintain long-term stability under extreme mud-sand abrasion and heavy impact loads. As a professional factory with 15 years of manufacturing experience, GFM has been dedicated to providing high-standard undercarriage precision components for global construction machinery since <strong>2011<\/strong>.<\/p><p>Many international buyers frequently ask: Why do GFM-manufactured carrier rollers feature such an exceptionally long service life? This stems from our standardized, lean manufacturing process\u2014from premium material selection to final product inspection. Below, we will take you behind the scenes of how a high-quality GFM excavator carrier roller is manufactured, helping you understand the technical core behind premium undercarriage parts.<\/p><figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"GFM PARTS - Produsen Suku Cadang untuk Ekskavator dan Buldoser\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/G8M1xg4_iKw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure><h2 class=\"wp-block-heading\" id=\"h-premium-material-selection-amp-forging-source\">Premium Material Selection &amp; Forging Source<\/h2><p>In the undercarriage parts manufacturing industry, the quality of raw materials directly determines the &#8220;core gene&#8221; of the final product. As reputable <strong>produsen rol pembawa<\/strong>, GFM enforces exceptionally rigid standards at the material procurement stage. We reject sub-standard scrap steel and instead source premium high-strength alloy steel (such as <strong>40 juta2<\/strong> atau <strong>50 juta<\/strong> round steel) from top-tier domestic steel mills. These steel grades contain an optimal amount of manganese, which significantly improves hardenability and toughness after quenching.<\/p><p>In terms of shaping, GFM primarily employs advanced <strong>integral hot forging processes<\/strong>. Compared to conventional casting, the internal coarse grains of the metal shaft blanks and roller bodies are highly crushed under the massive pressure of multi-ton forging presses, aligning the metal fiber structure continuously along the profile. This dense internal matrix eliminates common defects found in castings, such as blowholes, porosity, and looseness, boosting impact fatigue resistance by over <strong>30%<\/strong>.<\/p><p>The mechanical properties of GFM&#8217;s core raw materials are outlined below:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Material Grade<\/strong><\/td><td><strong>Yield Strength (MPa)<\/strong><\/td><td><strong>Tensile Strength (MPa)<\/strong><\/td><td><strong>Elongation (%)<\/strong><\/td><td><strong>Main Application Areas<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>40 juta2<\/strong><\/td><td>$\\ge 785$<\/td><td>$\\ge 980$<\/td><td>$\\ge 10$<\/td><td>Carrier\/Track Roller Bodies, Forged Shafts<\/td><\/tr><tr><td><strong>50 juta<\/strong><\/td><td>$\\ge 490$<\/td><td>$\\ge 735$<\/td><td>$\\ge 12$<\/td><td>Track Links, High-Strength Wear Parts<\/td><\/tr><\/tbody><\/table><\/figure><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>\ud83d\udca1 Pertanyaan yang Sering Diajukan<\/strong><\/p>\n\n<p><strong>Q: Why are forged carrier rollers preferred over standard castings for construction machinery undercarriage parts?<\/strong><\/p>\n\n<p><strong>A<\/strong>: According to international construction machinery component wear reports, undercarriage parts endure high-frequency, severe impacts in harsh environments like rocky terrains. Castings are highly susceptible to stress concentration caused by internal microscopic blowholes, which can lead to body cracking. The forging process optimizes the internal metal fiber flow lines, ensuring the <strong>rol pembawa ekskavator<\/strong> possesses an incredibly high impact fatigue life, completely eliminating the risk of early fractures.<\/p><\/blockquote><figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"511\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Precision-Heat-Treatment-Dictates-Wear-Life-1024x511.jpg\" alt=\"Premium Material Selection &amp; Forging Source\" class=\"wp-image-7972\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Precision-Heat-Treatment-Dictates-Wear-Life-1024x511.jpg 1024w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Precision-Heat-Treatment-Dictates-Wear-Life-300x150.jpg 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Precision-Heat-Treatment-Dictates-Wear-Life-768x383.jpg 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Precision-Heat-Treatment-Dictates-Wear-Life-18x9.jpg 18w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Precision-Heat-Treatment-Dictates-Wear-Life-600x299.jpg 600w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Precision-Heat-Treatment-Dictates-Wear-Life.jpg 1151w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h2 class=\"wp-block-heading\" id=\"h-precision-heat-treatment-dictates-wear-life\">Precision Heat Treatment Dictates Wear Life<\/h2><p>If forging gives the carrier roller a tough skeleton, heat treatment outfits it with hard, wear-resistant armor. To ensure that our products do not deform or spall during long-term, high-load friction with the track links, the GFM factory is equipped with fully automated high-frequency and <strong>medium-frequency induction quenching lines<\/strong>.<\/p><p>By adjusting the induction current frequency and heating time, we precisely control the depth and hardness distribution of the hardened layer. The surface hardness of GFM carrier roller treads and dual rims is strictly controlled between <strong>HRC 52-58<\/strong>. More importantly, our hardening depth reaches <strong>5-8mm<\/strong>. This &#8220;hard exterior, tough interior&#8221; gradient structure guarantees superior surface wear life while retaining excellent core impact toughness, preventing brittle fractures under heavy-load conditions.<\/p><p>To achieve consistent quality for large-volume <strong>rol pembawa grosir<\/strong> orders, GFM\u2019s heat treatment parameters are digitally monitored:<\/p><ul class=\"wp-block-list\"><li><strong>Precision Temperature Control<\/strong>: Utilizing an online infrared temperature measurement system, the quenching heating temperature is precisely controlled within $\\pm 5^\\circ\\text{C}$ to avoid overheating or underheating.<\/li>\n\n<li><strong>Uniform Spraying<\/strong>: Specialized quenching media is sprayed via high-pressure, multi-angle nozzles to ensure uniform hardness around the entire circumference of the roller body.<\/li>\n\n<li><strong>Stress Relief<\/strong>: Immediate <strong>continuous tempering<\/strong> is performed after quenching to effectively release internal residual thermal stress, ensuring long-term dimensional stability.<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>\ud83d\udca1 Pertanyaan yang Sering Diajukan<\/strong><\/p>\n\n<p><strong>Q: Is a higher quenching hardness always better for a carrier roller?<\/strong><\/p>\n\n<p><strong>A<\/strong>: Not necessarily. If the hardness blindly exceeds <strong>HRC 60<\/strong>, the material becomes extremely brittle despite being highly wear-resistant, making it prone to chipping or cracking under heavy impacts. As expert <strong><a href=\"https:\/\/gfmparts.com\/id\/produk\/produsen-rol-pembawa-rel\/\">produsen rol pembawa<\/a><\/strong>, GFM scientifically balances the hardness within the <strong>HRC 52-58<\/strong> sweet spot and ensures a sufficient hardening depth\u2014this is the fundamental logic behind long-lasting undercarriage parts.<\/p><\/blockquote><figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"511\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Premium-Material-Selection-Forging-Source-1024x511.jpg\" alt=\"Precision Heat Treatment Dictates Wear Life\" class=\"wp-image-7970\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Premium-Material-Selection-Forging-Source-1024x511.jpg 1024w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Premium-Material-Selection-Forging-Source-300x150.jpg 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Premium-Material-Selection-Forging-Source-768x383.jpg 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Premium-Material-Selection-Forging-Source-18x9.jpg 18w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Premium-Material-Selection-Forging-Source-600x299.jpg 600w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Premium-Material-Selection-Forging-Source.jpg 1151w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h2 class=\"wp-block-heading\" id=\"h-machining-amp-rigorous-precision-assembly\">Machining &amp; Rigorous Precision Assembly<\/h2><p>Following heat treatment, the semi-finished products enter our CNC machining workshop. GFM utilizes high-precision <strong>CNC lathes<\/strong> to perform micron-level fine cutting on the internal bores, shaft paths, and sealing surfaces of the carrier rollers. Strict tolerance control is the foundation for preventing oil leaks and seizures.<\/p><p>During assembly, the core mating components inside GFM carrier rollers are top-tier. We carefully select highly wear-resistant <strong>bimetal bushings<\/strong> and mirror-ground, high-strength <strong>precision shafts<\/strong>. However, the key to trouble-free operation across the roller&#8217;s entire lifespan lies in its sealing system.<\/p><p>GFM exclusively utilizes premium <strong>floating seals<\/strong> and low-temperature, aging-resistant fluororubber O-rings. On a pristine assembly line, experienced technicians press the seal rings into place using specialized precision tooling. These high-quality floating seals form a perfect dynamic sealing interface as the shaft rotates, locking specialized construction machinery gear oil inside the roller while keeping external mud, sand, and water completely out\u2014enabling over <strong>2,000 hours<\/strong> of maintenance-free operation.<\/p><p>As a powerhouse factory catering to the global market, GFM undercarriage parts offer exceptional interchangeability, seamlessly fitting almost all major construction machinery brands worldwide:<\/p><ul class=\"wp-block-list\"><li><strong>Japanese &amp; Korean Brands<\/strong>: Komatsu, Hitachi, Kobelco, Daewoo, Doosan, Hyundai, Kubota, Yanmar.<\/li>\n\n<li><strong>Euro-American Brands<\/strong>: Caterpillar, Volvo, Bobcat.<\/li>\n\n<li><strong>Chinese Export Brands<\/strong>: Sany, Liugong, XCMG, Shantui, and more.<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>\ud83d\udca1 Pertanyaan yang Sering Diajukan<\/strong><\/p>\n\n<p><strong>Q: How can you tell if an excavator carrier roller is leaking oil or wearing out prematurely?<\/strong><\/p>\n\n<p><strong>A<\/strong>: If you notice oil stains on the inner side of the tracks where the excavator is parked, or if the carrier roller stutters or makes abnormal noises while rotating, it indicates that the floating seal has failed or the internal bearings are severely worn. Choosing a GFM <strong>rol pembawa ekskavator<\/strong>\u2014equipped with top-quality floating seals and built to tight assembly tolerances\u2014effectively eliminates these early oil leak failures and reduces downtime losses.<\/p><\/blockquote><figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"378\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Machining-Rigorous-Precision-Assembly-1024x378.jpg\" alt=\"Machining &amp; Rigorous Precision Assembly\" class=\"wp-image-7973\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Machining-Rigorous-Precision-Assembly-1024x378.jpg 1024w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Machining-Rigorous-Precision-Assembly-300x111.jpg 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Machining-Rigorous-Precision-Assembly-768x284.jpg 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Machining-Rigorous-Precision-Assembly-18x7.jpg 18w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Machining-Rigorous-Precision-Assembly-600x222.jpg 600w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/Machining-Rigorous-Precision-Assembly.jpg 1151w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h2 class=\"wp-block-heading\" id=\"h-gfm-s-strict-15-year-quality-control-system\">GFM&#8217;s Strict 15-Year Quality Control System<\/h2><p>Exceptional quality comes from a rigorous grip on every single detail. Since our establishment in <strong>2011<\/strong>, GFM has treated product quality as the lifeblood of our factory&#8217;s growth. To ensure that every spare part delivered to domestic and overseas clients exceeds first-class international standards, we have built a closed-loop quality control system covering raw materials, in-process production, and final goods.<\/p><p>The GFM Quality Inspection Center is outfitted with several industry-advanced precision testing instruments. Our technical team does not just look at external dimensions; they dive deep into the microscopic structures for scientific validation.<\/p><p>Our core QC workflows and professional methods include:<\/p><ul class=\"wp-block-list\"><li><strong>Ultrasonic Nondestructive Testing (NDT)<\/strong>: 100% internal flaw detection on every batch of forged blanks to completely prevent internal cracks or slag inclusions from moving to the next process.<\/li>\n\n<li><strong>Metallographic Microscope Analysis<\/strong>: Regular sectioning and chemical analysis to observe grain size and quenched martensite structures, ensuring a perfect heat-treated microstructure.<\/li>\n\n<li><strong>Rockwell Hardness Full Inspection<\/strong>: Multi-point spot checks on the tread hardness of every batch to ensure it falls precisely within the <strong>HRC 52-58<\/strong> golden range.<\/li>\n\n<li><strong>100% Pressurized Airtightness Testing<\/strong>: Following assembly, every single roller undergoes high-pressure air leak testing to guarantee zero-leakage performance from the sealing system.<\/li><\/ul><p>Beyond our standard product lines, GFM boasts a robust R&amp;D and customization team. For projects requiring custom undercarriage parts tailored to specific working environments (such as ultra-cold regions or highly corrosive mines) or unique configurations, we respond rapidly\u2014providing a one-stop custom service spanning blueprint design, mold development, and mass production. Our highly efficient automated supply chain ensures that large <strong><a href=\"https:\/\/gfmparts.com\/id\/produk\/roller-pembawa-rol-atas-ekskavator\/\">rol pembawa grosir<\/a><\/strong> orders are delivered to global buyers safely and on time.<\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>\ud83d\udca1 Pertanyaan yang Sering Diajukan<\/strong><\/p>\n\n<p><strong>Q: How can international buyers evaluate the true delivery capabilities of a carrier roller factory?<\/strong><\/p>\n\n<p><strong>A<\/strong>: First, look at <strong>factory longevity<\/strong>\u2014GFM has focused on undercarriage parts manufacturing since 2011, packing 15 years of industry experience. Second, check <strong>testing hardware<\/strong>\u2014look for factories configured with metallographic analysis and 100% airtightness testing. Third, review the <strong>warranty commitment<\/strong>\u2014GFM boldly offers an official warranty of no less than one year or 2,000 hours, reflecting absolute confidence in our manufacturing processes.<\/p><\/blockquote><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"511\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/GFMs-Strict-15-Year-Quality-Control-System-1024x511.jpg\" alt=\"GFM's Strict 15-Year Quality Control System\" class=\"wp-image-7974\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/GFMs-Strict-15-Year-Quality-Control-System-1024x511.jpg 1024w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/GFMs-Strict-15-Year-Quality-Control-System-300x150.jpg 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/GFMs-Strict-15-Year-Quality-Control-System-768x383.jpg 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/GFMs-Strict-15-Year-Quality-Control-System-18x9.jpg 18w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/GFMs-Strict-15-Year-Quality-Control-System-600x299.jpg 600w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/07\/GFMs-Strict-15-Year-Quality-Control-System.jpg 1151w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><figure class=\"wp-block-table aligncenter\"><table class=\"has-ast-global-color-5-color has-luminous-vivid-orange-background-color has-text-color has-background has-link-color has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Dapatkan penawaran cepat dan gratis<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Surel: henry@gfmparts.com<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>WhatsApp: +86 17705953659<\/strong><\/td><\/tr><\/tbody><\/table><\/figure><p>Whether you are a global undercarriage parts wholesaler looking for a highly stable supply chain or a construction contractor chasing optimal cost-efficiency, GFM is your trusted partner. We do not just manufacture precision <strong>rol pembawa ekskavator<\/strong>; we supply a comprehensive range of undercarriage components, including track rollers, idlers, sprockets, track shoes, track link assemblies, as well as buckets, bucket tooth pins, high-strength bolts, nuts, and more.<\/p><p>Ready to significantly slash your construction machinery maintenance costs? Reach out to GFM&#8217;s technical experts today. We will provide you with our latest product catalogs, highly competitive direct-from-factory quotes, and tailored undercarriage solutions.<\/p><figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"563\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/02\/image.webp\" alt=\"GFM\" class=\"wp-image-7378\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/02\/image.webp 1000w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/02\/image-300x169.webp 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/02\/image-768x432.webp 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/02\/image-18x10.webp 18w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/02\/image-600x338.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Wholesale excavator carrier roller from GFM, a leading manufacturer since 2011. High-strength forged steel, HRC 52-58 hardening, and 1-year\/2000h warranty. Contact us for free samples!<\/p>","protected":false},"author":1,"featured_media":7969,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1,58,56],"tags":[],"class_list":["post-7967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-gfm-all-news","category-product-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v23.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How Are GFM Excavator Carrier Rollers Manufactured? - Factory<\/title>\n<meta name=\"description\" content=\"Wholesale excavator carrier roller from GFM, a leading manufacturer since 2011. High-strength forged steel, HRC 52-58 hardening, and 1-year\/2000h warranty. Contact us for free samples!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gfmparts.com\/id\/gfm-excavator-carrier-rollers-manufactured\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Are GFM Excavator Carrier Rollers Manufactured?\" \/>\n<meta property=\"og:description\" content=\"Wholesale excavator carrier roller from GFM, a leading manufacturer since 2011. High-strength forged steel, HRC 52-58 hardening, and 1-year\/2000h warranty. 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