{"product_id":"77-a023-404-hydraulic-brake-assembly-left-hand-12-1-4-x-4-self-adjusting-10k-axle-mat","title":"77-A023-404 - 10K Hydraulic Brake Assembly – Left Hand – 12-1\/4\" x 4\" – Self-Adjusting – HEAVY DUTY | MT","description":"\u003cp\u003eThe MAT 77-A023-404 hydraulic brake assembly is a heavy-duty left-hand brake designed for 10,000 lb trailer axles. Featuring self-adjusting brake shoes and a dual-plunger wheel cylinder design, it delivers reliable braking performance for electric-over-hydraulic and surge brake systems while minimizing maintenance requirements.\u003c\/p\u003e\n\n\u003ch5\u003eDetailed Information:\u003c\/h5\u003e\n\u003ctable style=\"width:100%; border: 1px solid #ddd; border-collapse: collapse;\"\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eBrake Type\u003c\/th\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHydraulic Drum Brake\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eSide\u003c\/th\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eLeft Hand (Driver Side)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eAxle Capacity\u003c\/th\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e10,000 lb\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eBrake Size\u003c\/th\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e12-1\/4\" x 4\"\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eWheel Compatibility\u003c\/th\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e16\" or Larger Wheels\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eMounting Flange\u003c\/th\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e7-Bolt Pattern\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eAdjustment Type\u003c\/th\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSelf-Adjusting\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid\n#ddd; padding: 8px;\"\u003e77-A023-404\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch5\u003eFitting:\u003c\/h5\u003e\n\u003cp\u003eDesigned for 10K trailer axles utilizing a 7-bolt brake mounting flange. Compatible with electric-over-hydraulic and surge brake actuator systems. Fits trailers equipped with 16\" or larger wheels.\u003c\/p\u003e\n\n\u003ch5\u003eFeatures:\u003c\/h5\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Adjusting Design:\u003c\/strong\u003e Automatically maintains optimal brake shoe adjustment for consistent braking performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Maintenance:\u003c\/strong\u003e Eliminates the need for routine manual brake adjustments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Plunger Wheel Cylinder:\u003c\/strong\u003e Delivers consistent braking force in both forward and reverse operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Designed for demanding 10,000 lb axle applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHydraulic Compatibility:\u003c\/strong\u003e Works with electric-over-hydraulic and surge brake systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduced Tow Vehicle Wear:\u003c\/strong\u003e Proper brake adjustment helps reduce braking load on the tow vehicle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eProduct Overview:\u003c\/h5\u003e\n\u003cp\u003eThe MAT 77-A023-404 left-hand hydraulic brake assembly is engineered for dependable braking performance on 10K trailer axles. With self-adjusting technology, heavy-duty construction, and compatibility with modern hydraulic brake systems, it provides reliable stopping power while minimizing maintenance and maximizing trailer safety.\u003c\/p\u003e","brand":"MAT","offers":[{"title":"Default Title","offer_id":45032934998224,"sku":"77-A023-404-HD","price":115.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/0353\/6080\/files\/77-a023-404-10k-hydraulic-brake-assembly-left-hand-12-14-x-4-self-adjusting-heavy-duty-mt-2044249.png?v=1792062073","url":"https:\/\/haulktrailerparts.com\/products\/77-a023-404-hydraulic-brake-assembly-left-hand-12-1-4-x-4-self-adjusting-10k-axle-mat","provider":"HAULK DEPOT®","version":"1.0","type":"link"}