{"id":608,"date":"2025-12-29T09:09:18","date_gmt":"2025-12-29T09:09:18","guid":{"rendered":"https:\/\/mcdamachinery.com\/?post_type=products&#038;p=608"},"modified":"2026-01-16T01:44:14","modified_gmt":"2026-01-16T01:44:14","slug":"mcda-c-420-2","status":"publish","type":"products","link":"https:\/\/mcdamachinery.com\/es\/products\/mcda-c-420-2\/","title":{"rendered":"MCDA C-420 Crack Sealing Machine"},"content":{"rendered":"<p><strong><span style=\"font-size: 14pt;\">Key Applications<\/span><\/strong><\/p>\n<ul>\n<li>Preventive crack sealing for asphalt pavements<\/li>\n<li>Mantenimiento de carreteras municipales<\/li>\n<li>Highway and arterial road crack repair<\/li>\n<li>Airport taxiways and aprons<\/li>\n<li>Industrial parks and logistics yards<\/li>\n<\/ul>\n<hr \/>\n<p><strong><span style=\"font-size: 14pt;\">Key Features<\/span><\/strong><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1294\" src=\"https:\/\/mcdamachinery.com\/wp-content\/uploads\/2025\/12\/5f25beb62cff1e0d6b7a193330750af2.png\" alt=\"\" width=\"196\" height=\"180\" srcset=\"https:\/\/mcdamachinery.com\/wp-content\/uploads\/2025\/12\/5f25beb62cff1e0d6b7a193330750af2.png 196w, https:\/\/mcdamachinery.com\/wp-content\/uploads\/2025\/12\/5f25beb62cff1e0d6b7a193330750af2-13x12.png 13w\" sizes=\"(max-width: 196px) 100vw, 196px\" \/><\/p>\n<p><strong>1. Longxin Power Engine System<\/strong><\/p>\n<ul>\n<li>Reliable <strong>gasoline engine<\/strong>, easy to start and operate<\/li>\n<li>Enlarged fuel tank for <strong>extended continuous operation<\/strong><\/li>\n<li>Optimized combustion chamber and air intake design for <strong>higher efficiency, lower fuel consumption, and improved emissions performance<\/strong><\/li>\n<\/ul>\n<hr \/>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1293\" src=\"https:\/\/mcdamachinery.com\/wp-content\/uploads\/2025\/12\/798c6bfed00fb833419c01b3ffabd896.png\" alt=\"\" width=\"201\" height=\"143\" srcset=\"https:\/\/mcdamachinery.com\/wp-content\/uploads\/2025\/12\/798c6bfed00fb833419c01b3ffabd896.png 201w, https:\/\/mcdamachinery.com\/wp-content\/uploads\/2025\/12\/798c6bfed00fb833419c01b3ffabd896-18x12.png 18w\" sizes=\"(max-width: 201px) 100vw, 201px\" \/><\/p>\n<p><strong>2. Integrated Control System<\/strong><\/p>\n<ul>\n<li>Integrated circuit design for <strong>easy operation and simplified maintenance<\/strong><\/li>\n<li>Includes power unit, control system, temperature display, and pump control switches<\/li>\n<li>Digital temperature monitoring for precise material control<\/li>\n<\/ul>\n<hr \/>\n<p><strong>3. High-Efficiency Hydraulic System<\/strong><\/p>\n<ul>\n<li>Modular hydraulic system powered by a hydraulic pump<\/li>\n<li>Equipped with <strong>electronic proportional control technology<\/strong> for smooth and efficient operation<\/li>\n<li>Stable flow output, <strong>unaffected by load changes<\/strong>, ensuring consistent sealing performance<\/li>\n<li>Reduces energy consumption while improving overall efficiency<\/li>\n<\/ul>\n<hr \/>\n<p><strong>4. Advanced Heating &amp; Insulation System<\/strong><\/p>\n<ul>\n<li>High-capacity melting kettle combined with a diesel burner<\/li>\n<li><strong>Double-jacketed thermal oil indirect heating design<\/strong>\n<ul>\n<li>High heat transfer efficiency<\/li>\n<li>No deformation of the tank body<\/li>\n<li>Excellent thermal insulation<\/li>\n<\/ul>\n<\/li>\n<li>Diesel burner with swirl combustion chamber for <strong>safe and reliable mobile operation<\/strong><\/li>\n<\/ul>\n<hr \/>\n<p><strong>5. Pumping &amp; Delivery System<\/strong><\/p>\n<ul>\n<li>Consists of asphalt pump, electrically heated hose, and crack sealing applicators<\/li>\n<li>Pump and material are <strong>heated synchronously<\/strong>, extending service life and reducing maintenance<\/li>\n<li>Stable and adjustable material flow for precise crack filling<\/li>\n<\/ul>\n<hr \/>\n<p><strong>6. Electrically Heated Hose System<\/strong><\/p>\n<ul>\n<li>Fully electric heated hose throughout the entire material delivery process<\/li>\n<li>Flexible, bend-resistant, corrosion-resistant, and waterproof outer jacket<\/li>\n<li>Internal pipeline <strong>does not require cleaning<\/strong>, saving time and labor<\/li>\n<li>Multiple sealing shoes and applicators available<\/li>\n<li>Electrically controlled material discharge for accurate operation<\/li>\n<\/ul>\n<hr \/>\n<p><strong>7. Independent Generator System<\/strong><\/p>\n<ul>\n<li>Gasoline-powered generator<\/li>\n<li><img decoding=\"async\" class=\"alignnone size-full wp-image-1294\" src=\"https:\/\/mcdamachinery.com\/wp-content\/uploads\/2025\/12\/5f25beb62cff1e0d6b7a193330750af2.png\" alt=\"\" width=\"196\" height=\"180\" srcset=\"https:\/\/mcdamachinery.com\/wp-content\/uploads\/2025\/12\/5f25beb62cff1e0d6b7a193330750af2.png 196w, https:\/\/mcdamachinery.com\/wp-content\/uploads\/2025\/12\/5f25beb62cff1e0d6b7a193330750af2-13x12.png 13w\" sizes=\"(max-width: 196px) 100vw, 196px\" \/>Stable <strong>220V \/ 50Hz output<\/strong>, suitable for continuous on-site operation<\/li>\n<\/ul>\n<hr \/>\n<p style=\"text-align: center;\"><strong><span style=\"font-size: 14pt;\">Technical Specifications<\/span><\/strong><\/p>\n<table style=\"width: 100.019%;\">\n<thead>\n<tr>\n<th style=\"width: 44.0546%; text-align: center;\">Item<\/th>\n<th style=\"width: 392.935%; text-align: center;\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Product Type<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Trailer-Mounted Crack Sealing Machine<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Model<\/td>\n<td style=\"width: 392.935%; text-align: center;\">MCDA C-420<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Sealant Tank Capacity<\/td>\n<td style=\"width: 392.935%; text-align: center;\">400 L<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Total Weight<\/td>\n<td style=\"width: 392.935%; text-align: center;\">1500 kg<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Overall Dimensions (L\u00d7W\u00d7H)<\/td>\n<td style=\"width: 392.935%; text-align: center;\">2200 \u00d7 1200 \u00d7 1600 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Engine Brand<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Longxin<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Engine Power<\/td>\n<td style=\"width: 392.935%; text-align: center;\">18 kW<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Diesel Burner Power<\/td>\n<td style=\"width: 392.935%; text-align: center;\">103 kW<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Fuel Tank Capacity<\/td>\n<td style=\"width: 392.935%; text-align: center;\">30 L<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Heating Method<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Diesel Heated Melting Kettle<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Kettle Structure<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Double-Jacketed<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Heat Transfer<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Indirect Thermal Oil Heating<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Stirring Type<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Hydraulic Vertical &amp; Horizontal Mixing<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Sealant Heating Temperature<\/td>\n<td style=\"width: 392.935%; text-align: center;\">80\u2013220 \u00b0C (Adjustable)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Hydraulic Control<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Proportional Hydraulic Control<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Hydraulic Tank Capacity<\/td>\n<td style=\"width: 392.935%; text-align: center;\">30 L<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Generator Power<\/td>\n<td style=\"width: 392.935%; text-align: center;\">2 kW (Gasoline)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Heated Hose Length<\/td>\n<td style=\"width: 392.935%; text-align: center;\">6 m<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Hose Heating Temperature<\/td>\n<td style=\"width: 392.935%; text-align: center;\">80\u2013220 \u00b0C (Adjustable)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Voltage<\/td>\n<td style=\"width: 392.935%; text-align: center;\">220 V<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Control System<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Integrated Control<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Display Type<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Digital Display<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Thermal Oil Model<\/td>\n<td style=\"width: 392.935%; text-align: center;\">320#<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Thermal Oil Temperature Range<\/td>\n<td style=\"width: 392.935%; text-align: center;\">50\u2013270 \u00b0C (Adjustable)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Asphalt Pump Flow Rate<\/td>\n<td style=\"width: 392.935%; text-align: center;\">0\u201370 L\/min (Adjustable)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.0546%; text-align: center;\">Pump Heating<\/td>\n<td style=\"width: 392.935%; text-align: center;\">Synchronous Heating<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p><span style=\"font-size: 14pt;\"><strong>Why Choose MCDA C-420?<\/strong><\/span><\/p>\n<ul>\n<li>Designed specifically for <strong>preventive pavement maintenance<\/strong><\/li>\n<li>Stable heating and precise temperature control<\/li>\n<li>Efficient hydraulic system with low energy consumption<\/li>\n<li>Durable construction for demanding job sites<\/li>\n<li>Easy operation, low maintenance, and long service life<\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"featured_media":609,"template":"","product_category":[14,19],"class_list":["post-608","products","type-products","status-publish","has-post-thumbnail","hentry","product_category-crack-sealing-machines_cate","product_category-truck-mounted-series"],"_links":{"self":[{"href":"https:\/\/mcdamachinery.com\/es\/wp-json\/wp\/v2\/products\/608","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcdamachinery.com\/es\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/mcdamachinery.com\/es\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mcdamachinery.com\/es\/wp-json\/wp\/v2\/media\/609"}],"wp:attachment":[{"href":"https:\/\/mcdamachinery.com\/es\/wp-json\/wp\/v2\/media?parent=608"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/mcdamachinery.com\/es\/wp-json\/wp\/v2\/product_category?post=608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}