{"id":8016,"date":"2026-07-27T14:48:18","date_gmt":"2026-07-27T06:48:18","guid":{"rendered":"https:\/\/gfmparts.com\/?post_type=product&#038;p=8016"},"modified":"2026-07-27T14:53:47","modified_gmt":"2026-07-27T06:53:47","slug":"hitachi-zx33u-mini-excavator-track-roller-manufacturer","status":"publish","type":"product","link":"https:\/\/gfmparts.com\/ar\/product\/hitachi-zx33u-mini-excavator-track-roller-manufacturer\/","title":{"rendered":"\u0634\u0631\u0643\u0629 \u0647\u064a\u062a\u0627\u0634\u064a ZX33U-5 \u0644\u062a\u0635\u0646\u064a\u0639 \u0628\u0643\u0631\u0627\u062a \u0627\u0644\u062c\u0646\u0632\u064a\u0631 \u0644\u0644\u062d\u0641\u0627\u0631\u0629 \u0627\u0644\u0635\u063a\u064a\u0631\u0629\u060c \u0631\u0642\u0645 \u0627\u0644\u0645\u0646\u062a\u062c 4719574"},"content":{"rendered":"<p data-path-to-node=\"1\">The Hitachi ZX33U-5 is built for compact versatility, but heavy operating conditions place intense friction on undercarriage components. According to construction equipment maintenance benchmarks, over <b data-path-to-node=\"9\" data-index-in-node=\"202\">50% of machine downtime<\/b> originates from undercarriage failure. As an experienced <a href=\"https:\/\/gfmparts.com\/ar\/product\/%d9%85%d8%b5%d9%86%d8%b9%d9%8a-%d8%a8%d9%83%d8%b1%d8%a7%d8%aa-%d8%a7%d9%84%d8%ac%d9%86%d8%b2%d9%8a%d8%b1-%d9%84%d8%ac%d8%b1%d8%a7%d9%81%d8%a9-%d9%83%d9%88%d9%85%d8%a7%d8%aa%d8%b3%d9%88-d85\/\"><b data-path-to-node=\"9\" data-index-in-node=\"283\">\u0645\u064f\u0635\u0646\u0650\u0651\u0639 \u0628\u0643\u0631\u0627\u062a \u0627\u0644\u062c\u0646\u0632\u064a\u0631<\/b><\/a>, GFM engineers high-performance aftermarket solutions designed to endure severe impact and minimize costly operational delays.<\/p>\n<p data-path-to-node=\"1\">GFM provides high-precision <a href=\"https:\/\/gfmparts.com\/ar\/product\/%d9%85%d8%af%d8%ad%d9%84%d8%a9-%d9%85%d8%ac%d9%86%d8%b2%d8%b1%d8%a9-%d8%b5%d8%ba%d9%8a%d8%b1%d8%a9-%d9%85%d9%86-%d8%b7%d8%b1%d8%a7%d8%b2-%d9%83%d9%88%d8%a8%d9%88%d8%aa%d8%a7-%d9%8a%d9%88-30\/\"><b data-path-to-node=\"10\" data-index-in-node=\"28\">\u0628\u0643\u0631\u0629 \u0645\u0633\u0627\u0631 \u062d\u0641\u0627\u0631\u0629 \u0635\u063a\u064a\u0631\u0629<\/b><\/a> replacements tailored specifically for the Hitachi ZX33U-5 model. Our custom OEM and ODM manufacturing capabilities ensure every roller strictly matches exact original mounting specs, weight balance parameters, and stress distribution points. Whether operating in dense mud, abrasive gravel, or rocky demolition sites, GFM undercarriage parts maintain structural integrity.<\/p>\n<h2 data-path-to-node=\"13\"><span style=\"color: #ff6600;\">Premium Materials and Advanced Manufacturing<\/span><\/h2>\n<p data-path-to-node=\"14\">To achieve exceptional structural strength, GFM selects premium high-strength alloy steel (such as 40Mn2 and 50Mn) for all heavy-duty components. Every <b data-path-to-node=\"14\" data-index-in-node=\"152\">\u0628\u0643\u0631\u0629 \u0645\u0633\u0627\u0631 \u062d\u0641\u0627\u0631\u0629 \u0635\u063a\u064a\u0631\u0629<\/b> undergoes precision forging or specialized casting, followed by automated CNC machining to guarantee sub-millimeter tolerances across deep bore surfaces and mounting brackets.<\/p>\n<p data-path-to-node=\"15\">Our deep induction heat treatment technology creates a outer hardened shell while retaining a tough, resilient inner core. GFM track rollers incorporate dual-cone heavy-duty floating seals and precision ground steel shafts, preventing lubricant leakage and isolating external abrasive dust.<\/p>\n<table data-path-to-node=\"16\">\n<thead>\n<tr>\n<td><strong>Technical Specification<\/strong><\/td>\n<td><strong>Standard Market Aftermarket<\/strong><\/td>\n<td><strong>GFM Heavy-Duty Custom Roller<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"16,1,0,0\"><b data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\">\u062f\u0631\u062c\u0629 \u0627\u0644\u0645\u0627\u062f\u0629<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,1,1,0\">Carbon Steel \/ Standard Alloy<\/span><\/td>\n<td><span data-path-to-node=\"16,1,2,0\">\u0641\u0648\u0644\u0627\u0630 \u0639\u0627\u0644\u064a \u0627\u0644\u0642\u0648\u0629 \u0645\u0645\u062a\u0627\u0632 40Mn2 \/ 50Mn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,2,0,0\"><b data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\">\u0635\u0644\u0627\u0628\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,2,1,0\">HRC 48\u201352<\/span><\/td>\n<td><span data-path-to-node=\"16,2,2,0\"><b data-path-to-node=\"16,2,2,0\" data-index-in-node=\"0\">HRC 52\u201358 Surface Hardness<\/b><\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,3,0,0\"><b data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\">Hardened Layer Depth<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,3,1,0\">3mm \u2013 5mm<\/span><\/td>\n<td><span data-path-to-node=\"16,3,2,0\"><b data-path-to-node=\"16,3,2,0\" data-index-in-node=\"0\">8mm \u2013 12mm Deep Case Hardness<\/b><\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,4,0,0\"><b data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\">\u0646\u0638\u0627\u0645 \u0625\u062d\u0643\u0627\u0645 \u0627\u0644\u063a\u0644\u0642<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,4,1,0\">Standard Rubber O-Ring<\/span><\/td>\n<td><span data-path-to-node=\"16,4,2,0\"><b data-path-to-node=\"16,4,2,0\" data-index-in-node=\"0\">Dual-Cone Floating Seal (NBR \/ Silicone)<\/b><\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,5,0,0\"><b data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\">Lifespan Expectancy<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,5,1,0\">~1,200 Operating Hours<\/span><\/td>\n<td><span data-path-to-node=\"16,5,2,0\"><b data-path-to-node=\"16,5,2,0\" data-index-in-node=\"0\">Exceeds 2,000 Operating Hours<\/b><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"color: #ff6600;\">\u0648\u0635\u0641 \u0627\u0644\u0645\u0646\u062a\u062c<\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\"><strong>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0643\u0645\u064a\u0629 \u0627\u0644\u0637\u0644\u0628:<\/strong>\u00a0\u062c\u0647\u0627\u0632 \u0643\u0645\u0628\u064a\u0648\u062a\u0631 \u0648\u0627\u062d\u062f<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062f\u0641\u0639:<\/strong>\u00a0\u062a\u062d\u0648\u064a\u0644 \u0628\u0646\u0643\u064a<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0645\u0627\u0631\u0643\u0629:<\/strong>\u00a0\u062c\u064a \u0625\u0641 \u0625\u0645<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u062d\u0627\u0644\u0629:<\/strong>\u00a0\u062c\u062f\u064a\u062f<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0644\u0648\u0646:<\/strong>\u00a0\u0623\u0635\u0641\u0631\u060c \u0623\u0633\u0648\u062f \u0623\u0648 \u0645\u062e\u0635\u0635<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0645\u0647\u0644\u0629:<\/strong>\u00a030 \u064a\u0648\u0645\u064b\u0627<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0636\u0645\u0627\u0646:<\/strong>\u00a0\u0633\u0646\u0629 \u0648\u0627\u062d\u062f\u0629<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u062e\u062f\u0645\u0629:<\/strong>\u00a0OEM \u0623\u0648 ODM<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0645\u0643\u0627\u0646 \u0627\u0644\u0645\u0646\u0634\u0623:<\/strong>\u00a0\u0641\u0648\u062c\u064a\u0627\u0646\u060c \u0627\u0644\u0635\u064a\u0646<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0637\u0644\u0628:<\/strong> \u062c\u0631\u0627\u0641\u0629<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0648\u0627\u0644\u062a\u063a\u0644\u064a\u0641:<\/strong> \u0645\u0646\u0635\u0629 \u062e\u0634\u0628\u064a\u0629 \u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u0644\u062a\u0635\u062f\u064a\u0631<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #ff6600;\">\u0633\u0645\u0627\u062a<\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\"><b><\/b><strong><b>\u063a\u0627\u0644\u064a <\/b><\/strong><strong><b>\u0645\u0648\u0627\u062f<\/b><\/strong>:\u0645\u0635\u0646\u0648\u0639 \u0645\u0646 \u0641\u0648\u0644\u0627\u0630 \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629 \u0648\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u062a\u0622\u0643\u0644 \u0644\u0636\u0645\u0627\u0646 \u0639\u0645\u0631 \u0623\u0637\u0648\u0644 \u0648\u0623\u062f\u0627\u0621 \u062b\u0627\u0628\u062a.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b><\/b><strong><b>\u0645\u064f\u063a\u0644\u0642 \u0648\u0645\u064f\u0634\u062d\u0645<\/b><\/strong>:\u0645\u0635\u0645\u0645 \u0628\u0646\u0638\u0627\u0645 \u0645\u062d\u0643\u0645 \u064a\u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u062a\u0634\u062d\u064a\u0645 \u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u0627\u062a\u060c \u0648\u064a\u0642\u0644\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643\u060c \u0648\u064a\u0645\u0646\u0639 \u062f\u062e\u0648\u0644 \u0627\u0644\u0623\u0648\u0633\u0627\u062e \u0623\u0648 \u0627\u0644\u0645\u0627\u0621.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b><\/b><strong><b>\u062a\u0634\u063a\u064a\u0644 \u0633\u0644\u0633 \u0648\u0645\u0633\u062a\u0642\u0631<\/b><\/strong>:\u0645\u0635\u0645\u0645\u0629 \u0628\u062f\u0642\u0629 \u0644\u062a\u062d\u0642\u064a\u0642 \u062d\u0631\u0643\u0629 \u0645\u062a\u0648\u0627\u0632\u0646\u0629\u060c \u0645\u0645\u0627 \u064a\u062d\u0633\u0646 \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b><\/b><strong><b>\u064a\u0646\u0627\u0633\u0628 \u0645\u062e\u062a\u0644\u0641 \u0627\u0644\u0645\u0648\u062f\u064a\u0644\u0627\u062a<\/b><\/strong>:\u0645\u062a\u0648\u0641\u0631\u0629 \u0628\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0630\u0627\u062a \u062d\u0627\u0641\u0629 \u0648\u0627\u062d\u062f\u0629\u060c \u0648\u0634\u0641\u0629 \u0645\u0632\u062f\u0648\u062c\u0629\u060c \u0648\u0634\u0641\u0629 \u0645\u0631\u0643\u0632\u064a\u0629 \u0644\u062a\u0646\u0627\u0633\u0628 \u0645\u062c\u0645\u0648\u0639\u0629 \u0648\u0627\u0633\u0639\u0629 \u0645\u0646 \u0627\u0644\u062d\u0641\u0627\u0631\u0627\u062a \u0648\u0627\u0644\u062c\u0631\u0627\u0641\u0627\u062a.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b><\/b><strong><b>\u0635\u0644\u0627\u0628\u0629 \u0645\u062b\u0628\u062a\u0629<\/b><\/strong>:\u062a\u0645 \u0627\u062e\u062a\u0628\u0627\u0631\u0647 \u0644\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0648\u0627\u0644\u0639\u0645\u0644 \u0628\u0634\u0643\u0644 \u0641\u0639\u0627\u0644 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0635\u0639\u0628\u0629\u060c \u0645\u0645\u0627 \u064a\u0636\u0645\u0646 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0648\u0642\u062a \u0627\u0644\u062a\u0648\u0642\u0641.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u0641\u064a \u0645\u0635\u0646\u0639 GFM\u060c \u0646\u0644\u062a\u0632\u0645 \u0628\u062a\u0648\u0641\u064a\u0631 \u0645\u0643\u0648\u0646\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062c\u0648\u062f\u0629 \u062a\u064f\u0639\u0632\u0632 \u0643\u0641\u0627\u0621\u0629 \u0645\u0639\u062f\u0627\u062a\u0643\u0645 \u0648\u0639\u0645\u0631\u0647\u0627 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a. \u0635\u064f\u0645\u0645\u062a \u0628\u0643\u0631\u0627\u062a \u0627\u0644\u062c\u0646\u0632\u064a\u0631 \u0644\u062f\u064a\u0646\u0627 \u0644\u0636\u0645\u0627\u0646 \u062a\u0634\u063a\u064a\u0644 \u0622\u0644\u0627\u062a\u0643\u0645 \u0628\u0623\u0639\u0644\u0649 \u0623\u062f\u0627\u0621\u060c \u0645\u0645\u0627 \u064a\u064f\u0642\u0644\u0644 \u0645\u0646 \u0648\u0642\u062a \u0627\u0644\u062a\u0648\u0642\u0641 \u0639\u0646 \u0627\u0644\u0639\u0645\u0644 \u0648\u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0644\u0635\u064a\u0627\u0646\u0629.<\/span><\/p>\n<p><span style=\"color: #000000;\">\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0623\u0648 \u0644\u0644\u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u0639\u0646 \u0645\u0648\u062f\u064a\u0644\u0627\u062a \u0645\u062d\u062f\u062f\u0629\u060c \u064a\u064f\u0631\u062c\u0649 \u0627\u0644\u062a\u0648\u0627\u0635\u0644 \u0645\u0639\u0646\u0627. \u0645\u0635\u0646\u0639 GFM - \u0645\u0635\u062f\u0631 \u0642\u0637\u0639 \u0627\u0644\u063a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u062b\u0648\u0642!<\/span><\/p>\n<h3><span style=\"color: #ff6600;\">\u062a\u062d\u062f\u064a\u062f<\/span><\/h3>\n<p style=\"text-align: center;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-6790\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/03\/Bulldozer-bottom-roller-Specifications-1024x662.png\" alt=\"\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 \u0644\u0644\u062c\u0631\u0627\u0641\u0629\" width=\"934\" height=\"604\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/03\/Bulldozer-bottom-roller-Specifications-1024x662.png 1024w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/03\/Bulldozer-bottom-roller-Specifications-300x194.png 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/03\/Bulldozer-bottom-roller-Specifications-768x497.png 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/03\/Bulldozer-bottom-roller-Specifications-1536x993.png 1536w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/03\/Bulldozer-bottom-roller-Specifications-600x388.png 600w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/03\/Bulldozer-bottom-roller-Specifications.png 1863w\" sizes=\"(max-width: 934px) 100vw, 934px\" \/><\/p>\n<h3><span style=\"color: #ff6600;\">\u0646\u0645\u0627\u0630\u062c \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a<\/span><\/h3>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"alignnone size-full wp-image-3147\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/11\/excavator-part-description-e1735350735761.png\" alt=\"\u0648\u0635\u0641 \u062c\u0632\u0621 \u0627\u0644\u062d\u0641\u0627\u0631\u0629\" width=\"856\" height=\"694\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/11\/excavator-part-description-e1735350735761.png 856w, https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/11\/excavator-part-description-e1735350735761-300x243.png 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/11\/excavator-part-description-e1735350735761-768x623.png 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/11\/excavator-part-description-e1735350735761-600x486.png 600w\" sizes=\"(max-width: 856px) 100vw, 856px\" \/><\/p>\n<h3><span style=\"color: #ff6600;\">\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c<\/span><\/h3>\n<p style=\"text-align: center;\"><iframe title=\"\u0645\u0634\u063a\u0644 \u0641\u064a\u062f\u064a\u0648 \u064a\u0648\u062a\u064a\u0648\u0628\" src=\"https:\/\/www.youtube.com\/embed\/c9nWGaJ_cxc?si=MdoYxVrGQYaNoOFY\" width=\"850\" height=\"479\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><img decoding=\"async\" class=\"alignnone wp-image-3043 aligncenter\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/12\/\u901a\u7528\u751f\u4ea7\u6d41\u7a0b-1-1024x648.jpg\" alt=\"\u0639\u0645\u0644\u064a\u0629 \u0625\u0646\u062a\u0627\u062c \u0623\u062c\u0632\u0627\u0621 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