{"id":7931,"date":"2026-06-21T11:24:58","date_gmt":"2026-06-21T03:24:58","guid":{"rendered":"https:\/\/gfmparts.com\/?p=7931"},"modified":"2026-06-21T14:32:52","modified_gmt":"2026-06-21T06:32:52","slug":"excavator-bulldozer-undercarriage-parts-differences","status":"publish","type":"post","link":"https:\/\/gfmparts.com\/ru\/excavator-bulldozer-undercarriage-parts-differences\/","title":{"rendered":"Excavator vs Bulldozer Undercarriage Parts: 5 Key Differences"},"content":{"rendered":"<p>Choosing the right heavy equipment parts is the most critical decision for global industrial buyers to reduce fleet maintenance costs. Although excavators and bulldozers look similar from the track perspective, their <strong><a href=\"https:\/\/gfmparts.com\/ru\/product\/%d0%ba%d0%b0%d1%82%d0%ba%d0%be%d0%b2%d1%8b%d0%b9-%d1%8d%d0%ba%d1%81%d0%ba%d0%b0%d0%b2%d0%b0%d1%82%d0%be%d1%80-%d1%81-%d0%bd%d0%b8%d0%b6%d0%bd%d0%b8%d0%bc-%d1%80%d0%be%d0%bb%d0%b8%d0%ba%d0%be%d0%bc\/\">\u0417\u0430\u043f\u0447\u0430\u0441\u0442\u0438 \u0445\u043e\u0434\u043e\u0432\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u0430<\/a><\/strong> \u0438 <strong><a href=\"https:\/\/gfmparts.com\/ru\/product\/%d0%bf%d1%80%d0%be%d0%b8%d0%b7%d0%b2%d0%be%d0%b4%d0%b8%d1%82%d0%b5%d0%bb%d1%8c-%d0%b3%d1%83%d1%81%d0%b5%d0%bd%d0%b8%d1%87%d0%bd%d1%8b%d1%85-%d0%b3%d1%80%d1%83%d0%bf%d0%bf-%d0%b1%d1%83%d0%bb%d1%8c\/\">\u0434\u0435\u0442\u0430\u043b\u0438 \u0445\u043e\u0434\u043e\u0432\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 \u0431\u0443\u043b\u044c\u0434\u043e\u0437\u0435\u0440\u0430<\/a><\/strong> are engineered for entirely different mechanical loads, operating velocities, and environmental stresses. Since <strong>2011<\/strong>, GFM has been a heavy-duty manufacturer specializing in custom undercarriage solutions. Understanding these structural differences ensures you source components that deliver high performance under the most punishing field conditions.<\/p><div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h3>\u041e\u0433\u043b\u0430\u0432\u043b\u0435\u043d\u0438\u0435<\/h3><ul><li><a href=\"#h-analyzing-the-differences-between-excavator-and-bulldozer-undercarriage-parts\" data-level=\"2\">Analyzing the Differences Between Excavator and Bulldozer Undercarriage Parts<\/a><\/li><li><a href=\"#h-exploring-gfm-s-high-strength-premium-steel-manufacturing-process\" data-level=\"2\">Exploring GFM&#8217;s High-Strength Premium Steel Manufacturing Process<\/a><\/li><li><a href=\"#h-full-compatibility-with-global-mainstream-brands-like-komatsu-and-caterpillar\" data-level=\"2\">Full Compatibility with Global Mainstream Brands Like Komatsu and Caterpillar<\/a><\/li><li><a href=\"#h-strict-quality-control-system-and-2-000-hour-warranty\" data-level=\"2\">Strict Quality Control System and 2,000-Hour Warranty<\/a><\/li><li><a href=\"#h-core-knowledge-q-amp-a\" data-level=\"2\">Core Knowledge Q&amp;A<\/a><\/li><\/ul><\/div><div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h2 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-55bff7d391b1656a2cfdcf7fd33a3c41\" id=\"h-analyzing-the-differences-between-excavator-and-bulldozer-undercarriage-parts\">Analyzing the Differences Between Excavator and Bulldozer Undercarriage Parts<\/h2><p>The fundamental difference lies in their operational physics and duty cycles. Excavators function as stationary working platforms that require maximum stability during <strong>360-degree<\/strong> rotations, with tracks absorbing high vertical impact forces during deep digging. Conversely, bulldozers are high-tractive, continuous-displacement machines built for high-frequency, long-distance linear soil pushing.<\/p><p>To help procurement managers make accurate sourcing decisions, we have broken down the core differences between undercarriage heavy equipment components based on engineering specifications:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Component Feature<\/strong><\/td><td><strong>Excavator Undercarriage Parts<\/strong><\/td><td><strong>Bulldozer Undercarriage Parts<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Track Shoe Profile<\/strong><\/td><td><strong>Double or triple grouser<\/strong> (low ground disturbance, high flotation)<\/td><td><strong>Single grouser<\/strong> (deep ground penetration up to <strong>65mm<\/strong> for maximum traction)<\/td><\/tr><tr><td><strong>Chain Tensioning<\/strong><\/td><td>Flexibly loose with <strong>25mm to 40mm<\/strong> sag to absorb dynamic digging vibrations<\/td><td>Highly rigid and tight to efficiently transfer maximum engine torque<\/td><\/tr><tr><td><strong>Roller Load Direction<\/strong><\/td><td>Suffers severe vertical loads and heavy axial thrusts during boom swings<\/td><td>Suffers continuous longitudinal stress and intense front-end impact<\/td><\/tr><tr><td><strong>Link Structure<\/strong><\/td><td>Greased or split-pin design optimized for structural rotation<\/td><td>Heavy-duty, <strong>Sealed and Lubricated Track (SALT)<\/strong> for linear wear<\/td><\/tr><tr><td><strong>Sprocket Tooth Wear<\/strong><\/td><td>Low speed, intermittent contact wear<\/td><td>High-frequency contact, intense frictional abrasion at <strong>3 to 5 km\/h<\/strong><\/td><\/tr><\/tbody><\/table><\/figure><p>Buying parts without considering these parameters leads to premature track separation and uneven component wear. For instance, putting an excavator-style light link on a <strong>30-ton<\/strong> bulldozer operating in a mining field will result in link cracking within a few hundred hours.<\/p><p>Industrial buyers must match the part specification with the actual ground pressure of the job site:<\/p><ul class=\"wp-block-list\"><li><strong>Soft Muddy Soil \/ Wetlands<\/strong>: Triple-grouser excavator shoes with extra width (<strong>600mm to 800mm<\/strong>) are essential to maximize ground contact area and prevent sinking.<\/li>\n\n<li><strong>Rock Quarrying \/ Demolition<\/strong>: Single-grouser bulldozer groups with heavy-duty mud holes are non-negotiable, providing the biting force needed to push heavy granite fragments without slipping.<\/li><\/ul><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"612\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Bulldozer-Undercarriage-Parts.jpg\" alt=\"Bulldozer Undercarriage Parts\" class=\"wp-image-7935\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Bulldozer-Undercarriage-Parts.jpg 1000w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Bulldozer-Undercarriage-Parts-300x184.jpg 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Bulldozer-Undercarriage-Parts-768x470.jpg 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Bulldozer-Undercarriage-Parts-18x12.jpg 18w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Bulldozer-Undercarriage-Parts-600x367.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><h2 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-d9abd4779cbf94ca48192397e24099e2\" id=\"h-exploring-gfm-s-high-strength-premium-steel-manufacturing-process\">Exploring GFM&#8217;s High-Strength Premium Steel Manufacturing Process<\/h2><p>To survive abrasive materials like quartz sand, granite, and mud, undercarriage heavy equipment components require advanced metallurgy. GFM addresses this challenge by selecting premium high-strength alloy steel, including <strong>40Mn2<\/strong> \u0438 <strong>50Mn<\/strong>, which contain precise amounts of manganese to enhance toughness.<\/p><p>Every batch of raw material undergoes chemical composition verification to eliminate structural vulnerabilities before entering our automated production lines.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Production Stage<\/strong><\/td><td><strong>Technical Process Details<\/strong><\/td><td><strong>Key Parameters &amp; Metrics<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>1. \u0412\u044b\u0431\u043e\u0440 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432<\/strong><\/td><td>Sorting premium alloy steel with optimized Carbon and Manganese ratios<\/td><td><strong>40Mn2 \/ 50Mn<\/strong> structural steel<\/td><\/tr><tr><td><strong>2. Shaping &amp; Forming<\/strong><\/td><td>Utilizing <strong>1600-ton<\/strong> friction forging presses and precision casting<\/td><td>Structural density increased by <strong>25%<\/strong><\/td><\/tr><tr><td><strong>3. Machining<\/strong><\/td><td>Multi-axis CNC milling to achieve strict dimensional tolerances<\/td><td>Tolerances controlled within <strong>\u00b10.02mm<\/strong><\/td><\/tr><tr><td><strong>4. Heat Treatment<\/strong><\/td><td>Automated medium-frequency induction hardening and tempering<\/td><td>\u0422\u0432\u0435\u0440\u0434\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438: <strong>HRC 52-58<\/strong><\/td><\/tr><tr><td><strong>5. Depth Hardening<\/strong><\/td><td>Controlling the effective hardened layer depth for wear resistance<\/td><td>Hardness depth: <strong>8mm to 12mm<\/strong><\/td><\/tr><tr><td><strong>6. Final QA Inspection<\/strong><\/td><td>Full-spectrum ultrasonic flaw detection and metallographic checks<\/td><td><strong>100%<\/strong> crack-free validation<\/td><\/tr><\/tbody><\/table><\/figure><p>This precise thermal balance ensures that GFM track rollers maintain a surface hardness of <strong>HRC 52-58<\/strong>. This prevents flat spots and rolling surface distortion even when the machine carries heavy loads over sharp rock surfaces. GFM operates scalable, high-capacity production lines that seamlessly switch between bulk wholesale runs and custom OEM dimensions. No matter how large the order volume, our specialized manufacturing lines guarantee precise tolerances and timely shipping to international ports.<\/p><figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"548\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/High-Strength-Premium-Steel.jpg\" alt=\"High-Strength Premium Steel\" class=\"wp-image-7936\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/High-Strength-Premium-Steel.jpg 1000w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/High-Strength-Premium-Steel-300x164.jpg 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/High-Strength-Premium-Steel-768x421.jpg 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/High-Strength-Premium-Steel-18x10.jpg 18w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/High-Strength-Premium-Steel-600x329.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><h2 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-385b5428ec99a9d04ba2ed4caf1a0dff\" id=\"h-full-compatibility-with-global-mainstream-brands-like-komatsu-and-caterpillar\">Full Compatibility with Global Mainstream Brands Like Komatsu and Caterpillar<\/h2><p>Global fleet management requires parts that match original factory specifications perfectly. GFM has developed a comprehensive catalog of interchangeable excavator track links and undercarriage assemblies that fit the world&#8217;s most trusted machinery brands. Our engineering department maintains an exhaustive blueprint database of over <strong>5,000<\/strong> mechanical designs, allowing us to build parts that fit <strong>1:1<\/strong> with international equipment.<\/p><p>Our manufacturing lines produce components fully compatible with the following heavy equipment brands:<\/p><ul class=\"wp-block-list\"><li><strong>\u041a\u043e\u043c\u0430\u0446\u0443<\/strong>: Full support for heavy crawler series including PC200-7\/8, PC300-8, and PC450-8.<\/li>\n\n<li><strong>\u0413\u0443\u0441\u0435\u043d\u0438\u0446\u0430<\/strong>: Precision components for CAT320, CAT336, and heavy bulldozers like D6, D8, and D9 series.<\/li>\n\n<li><strong>Global Majors<\/strong>: Comprehensive replacement groups for Hitachi, Volvo, Kobelco, and Doosan.<\/li>\n\n<li><strong>Compact &amp; Regional<\/strong>: Reliable undercarriage tracks for Hyundai, Kubota, Bobcat, and Yanmar.<\/li>\n\n<li><strong>Domestic Giants<\/strong>: High-durability tracks customized for Sany, Liugong, XCMG, and Shantui.<\/li><\/ul><p>Our product range goes far beyond basic track groups. GFM provides a complete, single-source procurement solution for global distributors. Our inventory includes track rollers, carrier rollers, idlers, sprockets, track shoes, track chains, and complete track assemblies. We also supply supporting wear parts such as buckets, bucket tooth pins, high-tensile track bolts and nuts (Grade <strong>12.9<\/strong>), pins, and bushings.<\/p><p>By consolidating your undercarriage and bucket accessory orders with GFM, procurement managers can reduce logistical costs by up to <strong>30%<\/strong>. This eliminates the stress of coordinating with multiple sub-suppliers and ensures uniform quality across your entire fleet inventory.<\/p><figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"470\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Global-Mainstream-Brands.jpg\" alt=\"Global Mainstream Brands\" class=\"wp-image-7938\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Global-Mainstream-Brands.jpg 1000w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Global-Mainstream-Brands-300x141.jpg 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Global-Mainstream-Brands-768x361.jpg 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Global-Mainstream-Brands-18x8.jpg 18w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/Global-Mainstream-Brands-600x282.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><h2 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-fe4def5aa28abb081a7b4a63674a921a\" id=\"h-strict-quality-control-system-and-2-000-hour-warranty\">Strict Quality Control System and 2,000-Hour Warranty<\/h2><p>Reliability in the field is verified through structured laboratory testing. GFM operates an internal quality management system certified under <strong>ISO9001<\/strong> standards. Every batch of heavy machinery parts undergoes non-destructive ultrasonic flaw detection to ensure zero internal cracking. We also use computerized metallographic microscopes to check grain structures after heat treatment, ensuring the martensite structure meets international standards.<\/p><p>To demonstrate our commitment to quality, GFM provides a comprehensive warranty on all main undercarriage parts:<\/p><ul class=\"wp-block-list\"><li><strong>Warranty Coverage<\/strong>: Minimum <strong>1 year or 2,000 operating hours<\/strong> (whichever comes first).<\/li>\n\n<li><strong>Performance Guarantee<\/strong>: Zero structural cracking, zero oil leakage from dual-cone seals, and uniform wear rates across the left and right track groups.<\/li>\n\n<li><strong>Support Service<\/strong>: Rapid diagnostic evaluation within <strong>24 hours<\/strong> and priority replacement part shipping to minimize fleet downtime.<\/li><\/ul><p>When receiving a heavy shipment of undercarriage parts, procurement teams can easily verify quality at the port. We advise using a digital portable hardness tester to check the track link rail surface\u2014a reading between <strong>HRC 52-58<\/strong> indicates a proper heat treatment process. You should also check the alignment of the pin holes using digital calipers; precise alignment within <strong>0.05mm<\/strong> ensures smooth track chain assembly and prevents early link tracking issues.<\/p><figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"453\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/excavator-undercarriage-parts-manufacturer-1024x453.jpg\" alt=\"\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0445\u043e\u0434\u043e\u0432\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u0430\" class=\"wp-image-7937\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/excavator-undercarriage-parts-manufacturer-1024x453.jpg 1024w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/excavator-undercarriage-parts-manufacturer-300x133.jpg 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/excavator-undercarriage-parts-manufacturer-768x340.jpg 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/excavator-undercarriage-parts-manufacturer-18x8.jpg 18w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/excavator-undercarriage-parts-manufacturer-600x265.jpg 600w, https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/06\/excavator-undercarriage-parts-manufacturer.jpg 1151w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h2 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-f2ca08b9261e76aafe9d175a2065ffd1\" id=\"h-core-knowledge-q-amp-a\">Core Knowledge Q&amp;A<\/h2><p><strong>Why do bulldozer undercarriage parts wear out faster than excavator parts?<\/strong><\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Bulldozer undercarriage components endure constant high-speed travel and aggressive frictional contact while pushing heavy earth forward. This continuous linear movement creates high tension across the track chain, accelerating frictional wear between the bushings and sprocket teeth. Excavators remain stationary for most of their working cycles, meaning their undercarriage parts experience less travel abrasion.<\/p><\/blockquote><p><strong>Can I use excavator track chains on a bulldozer of the same tonnage?<\/strong><\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>No. Excavator track chains are not designed to handle the continuous high-tractive force and heavy impact of a bulldozer. Bulldozer track chains feature thicker link walls, larger pin diameters, and specialized Sealed and Lubricated Track (SALT) systems to prevent internal abrasive wear. Installing excavator chains on a bulldozer will cause premature pin breakage and link master joint failure.<\/p><\/blockquote><p><strong>How does GFM secure the 2000-hour warranty for undercarriage components?<\/strong><\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>GFM achieves this service life through deep induction hardening, using premium <strong>40Mn2<\/strong> steel, and installing heavy-duty dual-cone seals with high-resilience rubber rings. This prevents lubricating oil from leaking and blocks abrasive dirt from entering internal bushings, guaranteeing reliable operation even in extreme construction and mining conditions.<\/p><\/blockquote><p>Partner with an experienced manufacturer to optimize your heavy equipment parts supply chain. GFM delivers precision-engineered, OEM-compatible undercarriage parts built to cut your operational downtime and withstand the harshest field conditions. Contact GFM today to submit your OEM drawings, request technical specifications, or secure your free product sample.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"563\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2026\/02\/image.webp\" alt=\"\u0413\u0424\u041c\" 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>","protected":false},"excerpt":{"rendered":"<p>Discover the 5 critical differences between excavator and bulldozer undercarriage parts. GFM has delivered OEM-compatible, high-strength steel track rollers and links with a 2000-hour warranty since 2011.<\/p>","protected":false},"author":1,"featured_media":7933,"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-7931","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>Excavator vs Bulldozer Undercarriage Parts: 5 Key Differences<\/title>\n<meta name=\"description\" content=\"Discover the 5 critical differences between excavator and bulldozer undercarriage parts. 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