{"id":1542,"date":"2025-04-08T17:47:21","date_gmt":"2025-04-08T17:47:21","guid":{"rendered":"https:\/\/generaltruckparts.com\/\/?page_id=1542"},"modified":"2025-05-02T02:53:33","modified_gmt":"2025-05-02T02:53:33","slug":"detroit-dt12-transmission-2","status":"publish","type":"page","link":"https:\/\/generaltruckparts.com\/products\/automated-manual-transmissions\/detroit-transmissions\/detroit-dt12-transmission-2\/","title":{"rendered":"Detroit DT12 Transmission"},"content":{"rendered":"\n<div class=\"wp-block-columns alignfull banner-block has-background is-layout-flex wp-container-core-columns-is-layout-c753b8dc wp-block-columns-is-layout-flex\" style=\"background-color:#0e0e0e;margin-top:0px;margin-bottom:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px\">\n<div class=\"wp-block-column has-background is-layout-flow wp-container-core-column-is-layout-aa9a9fa2 wp-block-column-is-layout-flow\" style=\"background-color:#0e0e0e;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;flex-basis:100%\">\n<div class=\"wp-block-cover alignfull has-custom-content-position is-position-center-left\" style=\"min-height:370px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-foreground-background-color has-background-dim-20 has-background-dim\"><\/span><img decoding=\"async\" sizes=\"100vw\" class=\"wp-block-cover__image-background wp-image-1254\" alt=\"\" src=\"https:\/\/generaltruckparts.com\/\/wp-content\/uploads\/2025\/04\/Banner-Automatic-Transmission-Detroit.jpg\" data-object-fit=\"cover\"\/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-left has-xx-large-font-size\" id=\"h-detroit-dt12-transmission\" style=\"padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\">Detroit DT12 Transmission<\/h1>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-8b31d6de wp-block-buttons-is-layout-flex\" style=\"padding-right:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-primary-background-color has-background has-border-color has-background-border-color wp-element-button\" href=\"https:\/\/generaltruckparts.com\/support\/request-a-quote\/\" style=\"border-width:1px;border-radius:6px;box-shadow:var(--wp--preset--shadow--natural)\">REQUEST A QUOTE<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"yoast-breadcrumbs\"><span><span><a href=\"https:\/\/generaltruckparts.com\/\">Home<\/a><\/span> \u00bb <span><a href=\"https:\/\/generaltruckparts.com\/products\/\">Products<\/a><\/span> \u00bb <span><a href=\"https:\/\/generaltruckparts.com\/products\/automated-manual-transmissions\/\">Automated Manual Transmissions<\/a><\/span> \u00bb <span><a href=\"https:\/\/generaltruckparts.com\/products\/automated-manual-transmissions\/detroit-transmissions\/\">Detroit Transmissions<\/a><\/span> \u00bb <span class=\"breadcrumb_last\" aria-current=\"page\">Detroit DT12 Transmission<\/span><\/span><\/div>\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.045), 0.9rem);\">The <strong>Detroit DT12<\/strong> is an advanced, automated manual transmission (AMT) designed for heavy-duty trucks and commercial vehicles. Developed by Detroit, a brand known for its engineering excellence, the DT12 combines the benefits of a manual transmission with the convenience of an automated system, offering improved fuel efficiency, reliability, and driver comfort. It is engineered to handle the demands of long-haul and vocational trucking, making it suitable for a wide range of applications, including freight hauling, construction, and other demanding industries.<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"h-key-features\"><strong>Key Features:<\/strong><\/h6>\n\n\n\n<ul style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.045), 0.9rem);\" class=\"wp-block-list\">\n<li><strong>Automated Manual Transmission (AMT):<\/strong> The Detroit DT12 is an electronically controlled, automated manual transmission, meaning it uses a manual gearbox but automates the shifting process. This offers the fuel efficiency of a manual transmission while reducing driver fatigue and the likelihood of shifting errors.<\/li>\n\n\n\n<li><strong>12-Speed Gearbox:<\/strong> The DT12 comes with a 12-speed gearbox that provides a wide range of gear ratios, offering optimal engine power utilization and fuel efficiency in varying driving conditions.<\/li>\n\n\n\n<li><strong>Torque Capacity:<\/strong> The Detroit DT12 is designed to handle up to <strong>1,850 lb-ft<\/strong> of torque, making it suitable for the most demanding heavy-duty applications, such as long-haul trucking and heavy freight hauling.<\/li>\n\n\n\n<li><strong>Intelligent Shift Logic:<\/strong> The transmission features advanced shift logic that adjusts the shifting pattern based on vehicle load, grade, and driving conditions. It ensures smoother gear changes and maximizes fuel efficiency by choosing the optimal gear.<\/li>\n\n\n\n<li><strong>Gradeability and Launch Assist:<\/strong> The DT12 features Hill Start Aid and Gradeability Assist, which helps prevent rollback on inclines and ensures smoother starts on grades. This feature is particularly helpful for drivers operating in mountainous terrain or on steep inclines.<\/li>\n\n\n\n<li><strong>Fuel Efficiency:<\/strong> The Detroit DT12 is optimized for fuel economy, with its automated shifting system allowing the engine to operate in the most efficient range for longer periods. The shift logic also adapts to the driving style and terrain, helping reduce fuel consumption.<\/li>\n\n\n\n<li><strong>Driver Comfort:<\/strong> The automated transmission removes the need for manual gear shifting, which reduces driver fatigue, especially in stop-and-go traffic or during long-haul driving. The system is designed to smoothly shift gears, providing a more comfortable driving experience.<\/li>\n\n\n\n<li><strong>Durability:<\/strong> The DT12 is built with heavy-duty components and is engineered for long-lasting performance in demanding environments. Its design minimizes wear on the transmission, improving reliability and reducing the need for maintenance.<\/li>\n\n\n\n<li><strong>Integrated with Detroit Powertrain:<\/strong> The DT12 is designed to work seamlessly with Detroit engines and axles, offering optimized powertrain performance. This integration helps maximize fuel efficiency and overall vehicle performance, reducing maintenance and downtime.<\/li>\n<\/ul>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"h-additional-features\"><strong>Additional Features:<\/strong><\/h6>\n\n\n\n<ul style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.045), 0.9rem);\" class=\"wp-block-list\">\n<li><strong>Detroit Connect:<\/strong> The DT12 can be integrated with Detroit Connect, an advanced telematics system that provides fleet managers with real-time data on transmission performance, fuel economy, and maintenance needs.<\/li>\n\n\n\n<li><strong>Prognostics and Maintenance:<\/strong> The DT12 includes a built-in prognostic system that monitors the transmission&#8217;s health and predicts potential issues before they become serious, helping fleet operators minimize downtime and reduce maintenance costs.<\/li>\n\n\n\n<li><strong>Driver Mode Selection:<\/strong> The DT12 allows the driver to select from different driving modes, such as Eco, Performance, and Manual modes, providing flexibility depending on the driving conditions and load requirements.<\/li>\n\n\n\n<li><strong>Self-Learning:<\/strong> The DT12 transmission learns the driver\u2019s shifting style and optimizes its shifting pattern accordingly, leading to smoother operation over time.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"border-left-color:#a8a8a8;border-left-width:1px;padding-right:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20);flex-basis:33.33%\">\n<h6 class=\"wp-block-heading\" id=\"h-technical-specifications\"><strong>Technical Specifications:<\/strong><\/h6>\n\n\n\n<ul style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.045), 0.9rem);\" class=\"wp-block-list\">\n<li><strong>Type:<\/strong> Automated Manual Transmission (AMT)<\/li>\n\n\n\n<li><strong>Speeds:<\/strong> 12 forward speeds, with a range of overdrive and underdrive ratios for various driving conditions<\/li>\n\n\n\n<li><strong>Torque Capacity:<\/strong> 1,850 lb-ft (2,500 Nm)<\/li>\n\n\n\n<li><strong>Gear Ratios:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>1st Gear:<\/strong> 16.74:1<\/li>\n\n\n\n<li><strong>2nd Gear:<\/strong> 10.61:1<\/li>\n\n\n\n<li><strong>3rd Gear:<\/strong> 7.02:1<\/li>\n\n\n\n<li><strong>4th Gear:<\/strong> 5.01:1<\/li>\n\n\n\n<li><strong>5th Gear:<\/strong> 3.71:1<\/li>\n\n\n\n<li><strong>6th Gear:<\/strong> 2.70:1<\/li>\n\n\n\n<li><strong>7th Gear:<\/strong> 2.04:1<\/li>\n\n\n\n<li><strong>8th Gear:<\/strong> 1.55:1<\/li>\n\n\n\n<li><strong>9th Gear:<\/strong> 1.19:1<\/li>\n\n\n\n<li><strong>10th Gear:<\/strong> 0.89:1<\/li>\n\n\n\n<li><strong>11th Gear:<\/strong> 0.73:1<\/li>\n\n\n\n<li><strong>12th Gear:<\/strong> 0.58:1<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Creeper Gear (Optional):<\/strong> Available for applications requiring very low-speed operation, providing smoother starts in difficult conditions (e.g., off-road or heavy-load environments).<\/li>\n\n\n\n<li><strong>Weight:<\/strong> Approx. 750-800 lbs (340-363 kg), depending on configuration<\/li>\n\n\n\n<li><strong>Cooling System:<\/strong> The DT12 uses an integrated cooling system to ensure optimal transmission temperature during operation, particularly under heavy load.<\/li>\n\n\n\n<li><strong>Axle Ratio Compatibility:<\/strong> Compatible with a wide range of axle ratios, ensuring versatility for various truck applications.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"background-color:#fafafa\">\n<p class=\"has-text-align-center\">Call now to order!<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter 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Developed by Detroit, a brand known for its engineering excellence, the DT12 combines the benefits of a manual transmission with the convenience of an automated system, offering improved fuel efficiency, reliability, and driver comfort. It is engineered to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1254,"parent":1428,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1542","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Detroit DT12 Transmission - General Truck Parts and Equipment<\/title>\n<meta name=\"description\" content=\"We offer a premium selection of Detroit Transmissions, designed to provide superior performance and reliability for commercial trucks.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/generaltruckparts.com\/products\/automated-manual-transmissions\/detroit-transmissions\/detroit-dt12-transmission-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Detroit DT12 Transmission\" \/>\n<meta property=\"og:description\" content=\"We offer a premium selection of Detroit Transmissions, designed to provide superior performance and reliability for commercial trucks.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/generaltruckparts.com\/products\/automated-manual-transmissions\/detroit-transmissions\/detroit-dt12-transmission-2\/\" \/>\n<meta property=\"og:site_name\" content=\"General Truck Parts and Equipment\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Generaltruckparts\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-02T02:53:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/generaltruckparts.com\/wp-content\/uploads\/2025\/04\/Banner-Automatic-Transmission-Detroit.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"529\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"10 minutes\" \/>\n<meta name=\"geo.placename\" content=\"CHICAGO\" \/>\n<meta name=\"geo.position\" content=\"41.82010121278574;-87.72603897585948\" \/>\n<meta name=\"geo.region\" content=\"United States (US)\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Detroit DT12 Transmission - 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