{"id":6035,"date":"2026-10-20T11:09:00","date_gmt":"2026-10-20T09:09:00","guid":{"rendered":"https:\/\/onyarbi.com\/?p=6035"},"modified":"2026-10-13T13:34:42","modified_gmt":"2026-10-13T11:34:42","slug":"sensors-and-connectivity-in-the-smart-trailer","status":"publish","type":"post","link":"https:\/\/onyarbi.com\/en\/noticias\/sensors-and-connectivity-in-the-smart-trailer\/","title":{"rendered":"Towards the intelligent trailer: sensors and connectivity in the Smart Trailer"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6035\" class=\"elementor elementor-6035 elementor-6021\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bf17520 e-flex e-con-boxed e-con e-parent\" data-id=\"bf17520\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed9ca56 elementor-widget elementor-widget-wp-widget-custom_html\" data-id=\"ed9ca56\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wp-widget-custom_html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"textwidget custom-html-widget\">   \r\n<!-- =====================================================================\r\n     INDUSTRIAS ONYARBI \u00b7 Blog (EN)\r\n     Article: Toward the smart trailer (Smart Trailer)\r\n     Paste the whole file into an Elementor \"HTML\" widget.\r\n     Brand colors: change only the -oy-navy and -oy-orange variables.\r\n\r\n     SEO (Rank Math)\r\n     Meta title: Smart Trailer: Sensors &amp; Telematics for Semi-Trailers\r\n     Meta description: What a smart trailer is, which sensors it uses (TPMS, brake wear, axle load) and how trailer telematics works. Industrias Onyarbi explains.\r\n     Slug: smart-trailer-sensors-telematics\r\n     Focus keyword: smart trailer\r\n     Secondary: trailer sensors, trailer telematics, semi-trailer TPMS, connected trailer, truck and trailer parts\r\n     ===================================================================== -->\r\n\r\n.oy-art{\r\n  --oy-navy:#1B2A47;\r\n  --oy-navy-2:#24365C;\r\n  --oy-orange:#E52927;\r\n  --oy-orange-soft:#FFF3E6;\r\n  --oy-ink:#2B3240;\r\n  --oy-muted:#6B7385;\r\n  --oy-line:#E3E7EE;\r\n  --oy-bg:#F5F7FA;\r\n  max-width:860px;margin:0 auto;color:var(--oy-ink);\r\n  font-size:17px;line-height:1.75;\r\n}\r\n.oy-art *{box-sizing:border-box}\r\n.oy-art p{margin:0 0 1.1em}\r\n.oy-art h2{font-size:28px;line-height:1.25;color:var(--oy-navy);margin:2.2em 0 .7em;font-weight:800;position:relative;padding-left:18px}\r\n.oy-art h2::before{content:\"\";position:absolute;left:0;top:.15em;bottom:.15em;width:6px;border-radius:3px;background:var(--oy-orange)}\r\n.oy-art 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a.oy-btn--ghost{border:2px solid rgba(255,255,255,.6);color:#fff}\r\n\r\n\/* FAQ *\/\r\n.oy-faq details{border:1px solid var(--oy-line);border-radius:12px;margin:0 0 12px;background:#fff;overflow:hidden}\r\n.oy-faq summary{cursor:pointer;list-style:none;padding:18px 54px 18px 20px;font-weight:700;color:var(--oy-navy);position:relative;font-size:16.5px}\r\n.oy-faq summary::-webkit-details-marker{display:none}\r\n.oy-faq summary::after{content:\"+\";position:absolute;right:18px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--oy-orange-soft);color:var(--oy-orange);font-size:20px;line-height:28px;text-align:center;font-weight:700}\r\n.oy-faq details[open] summary::after{content:\"\u2013\"}\r\n.oy-faq details[open] summary{border-bottom:1px solid var(--oy-line)}\r\n.oy-faq .oy-faq__a{padding:16px 20px;font-size:15.5px}\r\n.oy-faq .oy-faq__a p{margin:0}\r\n\r\n\/* M\u00d3VIL *\/\r\n@media (max-width:767px){\r\n  .oy-art{font-size:16px}\r\n  .oy-hero{padding:30px 22px}\r\n  .oy-hero__title{font-size:27px}\r\n  .oy-hero__sub{font-size:16px}\r\n  .oy-lead{font-size:18px}\r\n  .oy-art h2{font-size:23px}\r\n  .oy-grid,.oy-pillars{grid-template-columns:1fr}\r\n  .oy-dark{flex-direction:column;align-items:flex-start;padding:24px}\r\n  .oy-level{flex-direction:column;gap:10px}\r\n  .oy-quote{font-size:20px}\r\n  .oy-brand{padding:22px}\r\n}\r\n\r\n\r\n<article class=\"oy-art\">\r\n\r\n  <!-- HERO -->\r\n  <header class=\"oy-hero\">\r\n    <div class=\"oy-hero__tag\">Technology &middot; Commercial vehicles<\/div>\r\n    <h1 class=\"oy-hero__title\">Toward the <span>smart trailer<\/span>: sensors and connectivity on the Smart Trailer<\/h1>\r\n    <p class=\"oy-hero__sub\">The semi-trailer is no longer the \"silent\" part of road transport. It is becoming a continuous source of data on its condition, its load and its location.<\/p>\r\n    <div class=\"oy-hero__meta\">\r\n      <span>Industrias Onyarbi<\/span>\r\n      <span>6 min read<\/span>\r\n      <span>Truck, trailer and semi-trailer parts<\/span>\r\n    <\/div>\r\n  <\/header>\r\n\r\n  <!-- INTRO -->\r\n  <p class=\"oy-lead\">For decades, the tractor unit gained electronics, displays and driver assistance systems, while the semi-trailer remained, in essence, a chassis with axles, brakes and a body. That is changing.<\/p>\r\n\r\n  <p>At <strong>Industrias Onyarbi<\/strong> we have been manufacturing and selling parts for trucks, trailers and semi-trailers for years, and we know that tomorrow's maintenance will not look like today's. That is why we are developing a <strong>new range of parts designed specifically for the Smart Trailer<\/strong>. In this article we explain what a smart trailer is, which sensors make it possible and why the industry is heading in this direction.<\/p>\r\n\r\n  <!-- INFOGRAPHIC: replace the URL with the one from the WordPress Media Library -->\r\n  <figure class=\"oy-fig\">\r\n    <img decoding=\"async\" src=\"https:\/\/onyarbi.com\/wp-content\/uploads\/smart-trailer-infographic-en.jpg\" alt=\"Smart Trailer infographic showing the 8 measurement points: TPMS, brake wear, axle load, door opening, cargo temperature, wheel bearings, GPS\/4G telematics and ISO 7638 connector\" loading=\"lazy\">\r\n    <figcaption>The main measurement points on a smart trailer.<\/figcaption>\r\n  <\/figure>\r\n\r\n  <!-- WHAT IT IS -->\r\n  <h2>What is a smart trailer?<\/h2>\r\n  <p>A Smart Trailer is a trailer or semi-trailer equipped with sensors, electronics and communication systems that collect information in real time and send it to the driver, the workshop or the fleet management platform.<\/p>\r\n\r\n  <div class=\"oy-callout\">Put simply: <strong>the trailer \"talks\"<\/strong>. It warns you if a tire is losing pressure, if the brake pads are reaching their limit, if a door has been opened where it shouldn't have been or if the cargo temperature goes out of range. All without anyone having to get out and check.<\/div>\r\n\r\n  <p>The difference from a conventional trailer is not in the chassis or the axles, but in the layer of information added on top. And that layer depends on two things: <strong>sensors and connectivity<\/strong>.<\/p>\r\n\r\n  <!-- SENSORS -->\r\n  <h2>Sensors: the trailer's \"senses\"<\/h2>\r\n  <p>Sensors are the components that measure what is happening on the trailer. These are the most common ones on a Smart Trailer:<\/p>\r\n\r\n  <div class=\"oy-grid\">\r\n    <div class=\"oy-card\">\r\n      <div class=\"oy-card__head\">\r\n        <div class=\"oy-card__num\">1<\/div>\r\n        <h3>Tire pressure and temperature (TPMS)<\/h3>\r\n        \r\n      <\/div>\r\n      <p>Monitors the pressure and temperature of each wheel. Incorrect pressure increases fuel consumption, speeds up tire wear and raises the risk of a blowout.<\/p>\r\n      <span class=\"oy-badge\">Mandatory on new heavy trailers (GSR2, EU)<\/span>\r\n    <\/div>\r\n\r\n    <div class=\"oy-card\">\r\n      <div class=\"oy-card__head\">\r\n        <div class=\"oy-card__num\">2<\/div>\r\n        <h3>Brake wear<\/h3>\r\n        \r\n      <\/div>\r\n      <p>They measure the thickness of the pads or linings and warn you before they reach their limit. This lets you plan the replacement in the workshop instead of discovering the problem on the road.<\/p>\r\n    <\/div>\r\n\r\n    <div class=\"oy-card\">\r\n      <div class=\"oy-card__head\">\r\n        <div class=\"oy-card__num\">3<\/div>\r\n        <h3>Load and axle weight<\/h3>\r\n        \r\n      <\/div>\r\n      <p>They monitor the weight on each axle, usually based on the air suspension pressure. They help avoid overloading, fines and uneven wear.<\/p>\r\n    <\/div>\r\n\r\n    <div class=\"oy-card\">\r\n      <div class=\"oy-card__head\">\r\n        <div class=\"oy-card__num\">4<\/div>\r\n        <h3>Doors and opening<\/h3>\r\n        \r\n      <\/div>\r\n      <p>They record when and where the doors are opened. They are key to cargo security and to detecting theft or tampering.<\/p>\r\n    <\/div>\r\n\r\n    <div class=\"oy-card\">\r\n      <div class=\"oy-card__head\">\r\n        <div class=\"oy-card__num\">5<\/div>\r\n        <h3>Cargo temperature<\/h3>\r\n        \r\n      <\/div>\r\n      <p>Essential in refrigerated transport. They record the temperature throughout the trip and generate a log that proves the cold chain has been maintained.<\/p>\r\n    <\/div>\r\n\r\n    <div class=\"oy-card\">\r\n      <div class=\"oy-card__head\">\r\n        <div class=\"oy-card__num\">6<\/div>\r\n        <h3>Hubs and wheel bearings<\/h3>\r\n        \r\n      <\/div>\r\n      <p>A bearing that overheats abnormally is the early warning sign of a serious failure. Detecting it in time prevents downtime and damage to the axle.<\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- CONNECTIVITY -->\r\n  <h2>Connectivity: how the trailer communicates<\/h2>\r\n  <p>Measuring is pointless if the information does not reach the people who need it. Semi-trailer connectivity works on several levels:<\/p>\r\n\r\n  <div class=\"oy-levels\">\r\n    <div class=\"oy-level\">\r\n      <div class=\"oy-level__n\">Level 1<\/div>\r\n      <p><strong>Communication with the tractor unit.<\/strong> Through standardized electrical connectors (such as the 7-pin ISO 7638 connector for the ABS\/EBS system) and the truck-trailer data bus. Many alerts appear directly on the driver's dashboard.<\/p>\r\n    <\/div>\r\n    <div class=\"oy-level\">\r\n      <div class=\"oy-level__n\">Level 2<\/div>\r\n      <p><strong>Short-range wireless.<\/strong> Some sensors, such as wheel sensors, transmit via radio or Bluetooth to a central unit installed on the trailer.<\/p>\r\n    <\/div>\r\n    <div class=\"oy-level\">\r\n      <div class=\"oy-level__n\">Level 3<\/div>\r\n      <p><strong>Trailer telematics.<\/strong> A unit with GPS and a mobile connection (4G\/5G or low-power networks) sends the data to a cloud platform, even when the trailer is uncoupled and parked.<\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"oy-dark\">\r\n    <div class=\"oy-dark__icon\">\r\n      \r\n    <\/div>\r\n    <p>Many fleets have <strong>more trailers than tractor units<\/strong>, and a semi-trailer can sit in a yard for days. With its own telematics, the trailer stays located and monitored at all times.<\/p>\r\n  <\/div>\r\n\r\n  <!-- BENEFITS -->\r\n  <h2>Smart Trailer benefits for fleets and workshops<\/h2>\r\n  <p>The smart trailer is not technology for technology's sake. Its benefits are very concrete:<\/p>\r\n\r\n  <div class=\"oy-benefits\">\r\n    <div class=\"oy-benefit\"><h3>Predictive maintenance<\/h3><p>You act when the data shows something is about to fail, not after it has failed. Fewer roadside breakdowns and less downtime.<\/p><\/div>\r\n    <div class=\"oy-benefit\"><h3>Greater safety<\/h3><p>Continuously monitored tires, brakes and bearings reduce the risk of accidents.<\/p><\/div>\r\n    <div class=\"oy-benefit\"><h3>Lower costs<\/h3><p>Correct tire pressure cuts fuel consumption, and controlled wear extends component life.<\/p><\/div>\r\n    <div class=\"oy-benefit\"><h3>Cargo control<\/h3><p>Location, door openings and temperature are all recorded, something end customers value highly.<\/p><\/div>\r\n    <div class=\"oy-benefit\"><h3>Better workshop planning<\/h3><p>The workshop knows which part it will need before the vehicle arrives, which shortens repair times.<\/p><\/div>\r\n  <\/div>\r\n\r\n  <!-- CHALLENGE -->\r\n  <h2>The challenge: parts need to be \"smart\" too<\/h2>\r\n  <p>A Smart Trailer still has axles, brakes, suspension, lighting and electrical systems that wear out and need replacing. But not just any part will do: components must be compatible with the trailer's sensors, connectors and electronics.<\/p>\r\n  <p>A brake pad with a wear sensor, wiring designed to carry data or a suspension component compatible with the load measurement system are examples of parts that tomorrow's maintenance will need more and more.<\/p>\r\n\r\n  <div class=\"oy-quote\">If the part isn't up to the job, <span>the trailer stops being smart.<\/span><\/div>\r\n\r\n  <!-- ONYARBI -->\r\n  <h2>Industrias Onyarbi: preparing a new range for the Smart Trailer<\/h2>\r\n  <div class=\"oy-brand\">\r\n    <div class=\"oy-note\">\r\n      \r\n      <div><b>To be clear:<\/b> we do not sell sensors or connectivity systems yet. We would rather do things right than do them fast.<\/div>\r\n    <\/div>\r\n    <p>What we are doing is developing a <strong>new range of parts for the smart trailer<\/strong>, so that workshops, distributors and fleets can maintain their Smart Trailers with the same reliability they already find in our current catalog. This work builds on what we do best:<\/p>\r\n\r\n    <div class=\"oy-pillars\">\r\n      <div class=\"oy-pillar\">\r\n        <div class=\"oy-pillar__ic\"><\/div>\r\n        <h3>Catalog and OEM references<\/h3>\r\n        <p>Experience in truck, trailer and semi-trailer parts, with cross-references to original equipment manufacturers.<\/p>\r\n      <\/div>\r\n      <div class=\"oy-pillar\">\r\n        <div class=\"oy-pillar__ic\"><\/div>\r\n        <h3>Technical know-how<\/h3>\r\n        <p>Braking, suspension and electrical systems for commercial vehicles: the foundation on which sensors are fitted.<\/p>\r\n      <\/div>\r\n      <div class=\"oy-pillar\">\r\n        <div class=\"oy-pillar__ic\"><\/div>\r\n        <h3>Close to our customers<\/h3>\r\n        <p>Working directly with professional customers lets us see what workshops need day to day.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <p>Our goal is clear: when smart trailers become the norm on the road, <strong>Industrias Onyarbi will have a range of parts ready to match<\/strong>.<\/p>\r\n\r\n  <!-- CONCLUSION -->\r\n  <h2>Conclusion: the trailer of the future is already on its way<\/h2>\r\n  <p>The Smart Trailer is not a distant idea. EU regulations, pressure to cut costs and demand for traceability are speeding up the arrival of sensors and connectivity on trailers and semi-trailers. For fleets, that means more safety and less downtime; for workshops, new opportunities; and for parts manufacturers, the responsibility to be ready.<\/p>\r\n\r\n  <!-- CTA: check the button URLs (still pointing to the Spanish pages) -->\r\n  <div class=\"oy-cta\">\r\n    <h2>At Industrias Onyarbi, we're already working on it<\/h2>\r\n    <p>Follow us to hear the latest on our new range for the smart trailer. And if you have any questions about our current catalog, our sales team is here to help.<\/p>\r\n    <div class=\"oy-btns\">\r\n      <a class=\"oy-btn oy-btn--main\" href=\"https:\/\/onyarbi.com\/contacto\/\">Contact our sales team<\/a>\r\n      <a class=\"oy-btn oy-btn--ghost\" href=\"https:\/\/onyarbi.com\/documentos\/descargas\/catalogo-12-2.pdf\">View current catalog<\/a>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- FAQ -->\r\n  <h2>Smart trailer FAQ<\/h2>\r\n  <div class=\"oy-faq\">\r\n    <details open>\r\n      <summary>What is a Smart Trailer?<\/summary>\r\n      <div class=\"oy-faq__a\"><p>It is a trailer or semi-trailer with sensors and communication systems that report its condition, load and location in real time.<\/p><\/div>\r\n    <\/details>\r\n    <details>\r\n      <summary>What sensors does a smart trailer have?<\/summary>\r\n      <div class=\"oy-faq__a\"><p>The most common are tire pressure (TPMS), brake wear, axle load, door opening, cargo temperature and wheel bearing temperature sensors.<\/p><\/div>\r\n    <\/details>\r\n    <details>\r\n      <summary>Is TPMS mandatory on trailers?<\/summary>\r\n      <div class=\"oy-faq__a\"><p>In the EU, the General Safety Regulation requires tire pressure monitoring systems on newly registered heavy trailers.<\/p><\/div>\r\n    <\/details>\r\n    <details>\r\n      <summary>Does Industrias Onyarbi sell trailer sensors?<\/summary>\r\n      <div class=\"oy-faq__a\"><p>Not yet. We are developing a new range of parts focused on the Smart Trailer, which we will be launching soon.<\/p><\/div>\r\n    <\/details>\r\n  <\/div>\r\n\r\n<\/article>\r\n\r\n<!-- FAQ structured data for Google (not visible on the page) -->\r\n\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is a Smart Trailer?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"It is a trailer or semi-trailer with sensors and communication systems that report its condition, load and location in real time.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What sensors does a smart trailer have?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"The most common are tire pressure (TPMS), brake wear, axle load, door opening, cargo temperature and wheel bearing temperature sensors.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Is TPMS mandatory on trailers?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"In the EU, the General Safety Regulation requires tire pressure monitoring systems on newly registered heavy trailers.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Does Industrias Onyarbi sell trailer sensors?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Not yet. We are developing a new range of parts focused on the Smart Trailer, which we will be launching soon.\"\r\n      }\r\n    }\r\n  ]\r\n}\r\n\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":9,"featured_media":6031,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[46],"tags":[101,47,57,104,49],"class_list":["post-6035","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias-en","tag-digitalization","tag-industrias-onyarbi-en","tag-moderna-en","tag-quality","tag-recambios-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/posts\/6035","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/comments?post=6035"}],"version-history":[{"count":4,"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/posts\/6035\/revisions"}],"predecessor-version":[{"id":6041,"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/posts\/6035\/revisions\/6041"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/media\/6031"}],"wp:attachment":[{"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/media?parent=6035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/categories?post=6035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onyarbi.com\/en\/wp-json\/wp\/v2\/tags?post=6035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}