{"id":6547,"date":"2026-10-21T10:51:04","date_gmt":"2026-10-21T02:51:04","guid":{"rendered":"https:\/\/chenlutrailer.com\/news\/what-is-a-container-chassis\/"},"modified":"2026-10-21T10:51:04","modified_gmt":"2026-10-21T02:51:04","slug":"what-is-a-container-chassis","status":"publish","type":"news","link":"https:\/\/chenlutrailer.com\/pt\/news\/what-is-a-container-chassis\/","title":{"rendered":"O que \u00e9 um chassi para cont\u00eainer? Tipos, tamanhos e diferen\u00e7as em rela\u00e7\u00e3o a uma carreta plataforma"},"content":{"rendered":"<p><em>CHENLU Engineering Team | Updated October 2026<\/em><\/p>\n<div style=\"background:#F4EEE1;border-left:5px solid #FEDC00;padding:20px 24px;margin:0 0 24px;\">\n<p><strong>Quick answer:<\/strong> A container chassis, also called a <strong>skeleton<\/strong> or <strong>skeletal trailer<\/strong>, is a semi-trailer frame without a deck, fitted with twist locks that lock onto the corner castings of an ISO shipping container. Because it has no deck, it is lighter than a flatbed, so more of the legal weight limit goes to cargo. It carries containers only.<\/p>\n<\/div>\n<h2>How a container chassis works<\/h2>\n<p>The chassis is built from two main longitudinal beams joined by cross members. Twist locks sit at the points where container corners rest. The container is lifted on by a crane or reach stacker, lowered onto the locks, and the locks are turned to hold it in place. The container itself becomes the load-carrying body.<\/p>\n<h2>Main parts of a container chassis<\/h2>\n<table>\n<thead>\n<tr>\n<th>Part<\/th>\n<th>Function<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Main beams<\/td>\n<td>Carry the load; high-strength steel keeps weight down while resisting twisting<\/td>\n<\/tr>\n<tr>\n<td>Twist locks<\/td>\n<td>Lock the container&#8217;s corner castings to the chassis<\/td>\n<\/tr>\n<tr>\n<td>Kingpin<\/td>\n<td>Couples the chassis to the tractor&#8217;s fifth wheel (2&#8243; or 3.5&#8243;)<\/td>\n<\/tr>\n<tr>\n<td>Landing gear<\/td>\n<td>Supports the front when the chassis is uncoupled<\/td>\n<\/tr>\n<tr>\n<td>Axles and suspension<\/td>\n<td>Carry the load to the road; leaf spring suspension is common<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Types of container chassis<\/h2>\n<ul>\n<li><strong>20 ft chassis:<\/strong> short wheelbase for single 20 ft containers and tight port yards.<\/li>\n<li><strong>40 ft chassis:<\/strong> carries one 40 ft or two 20 ft containers, the most common size.<\/li>\n<li><strong>Extendable or 45 ft chassis:<\/strong> adjusts to different container lengths.<\/li>\n<li><strong>Tipping chassis:<\/strong> lifts the container to unload bulk cargo through its rear doors.<\/li>\n<li><strong>Gooseneck chassis:<\/strong> a lowered front section lets taller containers sit lower.<\/li>\n<\/ul>\n<p style=\"font-size:.9em;color:#666;\">These are general industry types. Ask us which configurations we can build for your containers.<\/p>\n<h2>CHENLU 2 axle skeleton trailer: specifications<\/h2>\n<table>\n<thead>\n<tr>\n<th>Item<\/th>\n<th>Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Max payload<\/td>\n<td>30 T<\/td>\n<\/tr>\n<tr>\n<td>Containers<\/td>\n<td>20 ft and 40 ft (45 ft on request)<\/td>\n<\/tr>\n<tr>\n<td>Axles<\/td>\n<td>2 &times; 13T FUWA<\/td>\n<\/tr>\n<tr>\n<td>Suspension<\/td>\n<td>Leaf spring<\/td>\n<\/tr>\n<tr>\n<td>Twist locks<\/td>\n<td>12<\/td>\n<\/tr>\n<tr>\n<td>Landing gear<\/td>\n<td>JOST E100<\/td>\n<\/tr>\n<tr>\n<td>Kingpin<\/td>\n<td>2&#8243; (50 mm) or 3.5&#8243; (90 mm) JOST<\/td>\n<\/tr>\n<tr>\n<td>Size<\/td>\n<td>To buyer&#8217;s request<\/td>\n<\/tr>\n<tr>\n<td>Warranty<\/td>\n<td>2 years<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The short wheelbase gives a tight turning radius for port work. See the <a href=\"https:\/\/chenlutrailer.com\/2-axle-skeleton-trailer\/\">2 Axle Skeleton Trailer<\/a> page for photos and video.<\/p>\n<h2>Container chassis vs flatbed trailer<\/h2>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>Container chassis (skeleton)<\/th>\n<th>Flatbed trailer<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Deck<\/td>\n<td>No deck, frame and twist locks only<\/td>\n<td>Full flat deck plus twist locks<\/td>\n<\/tr>\n<tr>\n<td>Cargo<\/td>\n<td>ISO containers only<\/td>\n<td>Containers, steel, machinery, bulk goods<\/td>\n<\/tr>\n<tr>\n<td>Tare weight<\/td>\n<td>Lowest<\/td>\n<td>Higher<\/td>\n<\/tr>\n<tr>\n<td>Best for<\/td>\n<td>Ports and dedicated container fleets<\/td>\n<td>Mixed cargo and return loads<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>If your trucks return empty after delivering a container, a flatbed lets you carry other cargo on the way back. If you only move containers, the lighter chassis carries more payload. Read more in <a href=\"https:\/\/chenlutrailer.com\/flatbed-trailer-vs-skeleton-trailer-which-one-is-better-for-container-transport\/\">Flatbed Trailer vs Skeleton Trailer<\/a>.<\/p>\n<h2>Container chassis FAQ<\/h2>\n<h3>Is a container chassis the same as a skeleton trailer?<\/h3>\n<p>Yes. Container chassis, skeleton trailer and skeletal trailer all describe a deckless semi-trailer frame with twist locks for ISO containers.<\/p>\n<h3>How much can a container chassis carry?<\/h3>\n<p>The CHENLU 2 axle skeleton trailer has a maximum payload of 30 T. Heavier containers need more axles; the legal payload depends on your road limits.<\/p>\n<h3>How many twist locks does a container chassis need?<\/h3>\n<p>Four locks hold one container. A 40 ft chassis that also carries two 20 ft containers needs more positions; the CHENLU skeleton trailer has 12.<\/p>\n<h3>Can a container chassis carry loose cargo?<\/h3>\n<p>No. It has no deck. For loose cargo, use a flatbed or sidewall trailer.<\/p>\n<h3>What size container chassis do I need?<\/h3>\n<p>Match the chassis to your containers: 20 ft, 40 ft (or two 20 ft), or 45 ft. Tell us your container mix and we will recommend the length and axle count.<\/p>\n<h2>Order a container chassis<\/h2>\n<p>Compare skeleton and flatbed options on our <a href=\"https:\/\/chenlutrailer.com\/flatbed-semi-trailer-container-trailer\/\">flatbed and container trailer page<\/a>, or <a href=\"https:\/\/chenlutrailer.com\/contact-us\/\">contact us<\/a> with your container sizes and route. Pricing is factory-direct and confirmed on inquiry.<\/p>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is a container chassis the same as a skeleton trailer?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Container chassis, skeleton trailer and skeletal trailer all describe a deckless semi-trailer frame with twist locks for ISO containers.\"}},{\"@type\":\"Question\",\"name\":\"How much can a container chassis carry?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The CHENLU 2 axle skeleton trailer has a maximum payload of 30 T. Heavier containers need more axles; the legal payload depends on your road limits.\"}},{\"@type\":\"Question\",\"name\":\"How many twist locks does a container chassis need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Four locks hold one container. A 40 ft chassis that also carries two 20 ft containers needs more positions; the CHENLU skeleton trailer has 12.\"}},{\"@type\":\"Question\",\"name\":\"Can a container chassis carry loose cargo?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It has no deck. For loose cargo, use a flatbed or sidewall trailer.\"}},{\"@type\":\"Question\",\"name\":\"What size container chassis do I need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Match the chassis to your containers: 20 ft, 40 ft (or two 20 ft), or 45 ft. Tell us your container mix and we will recommend the length and axle count.\"}}]}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um chassi para cont\u00eainer (carreta esqueleto) \u00e9 uma estrutura leve com travas girat\u00f3rias para cont\u00eaineres ISO. Veja os tipos de 20\/40 p\u00e9s, a capacidade e as diferen\u00e7as em rela\u00e7\u00e3o \u00e0 carreta plataforma.<\/p>","protected":false},"featured_media":392,"comment_status":"open","ping_status":"closed","template":"","class_list":["post-6547","news","type-news","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/chenlutrailer.com\/pt\/wp-json\/wp\/v2\/news\/6547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chenlutrailer.com\/pt\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/chenlutrailer.com\/pt\/wp-json\/wp\/v2\/types\/news"}],"replies":[{"embeddable":true,"href":"https:\/\/chenlutrailer.com\/pt\/wp-json\/wp\/v2\/comments?post=6547"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chenlutrailer.com\/pt\/wp-json\/wp\/v2\/media\/392"}],"wp:attachment":[{"href":"https:\/\/chenlutrailer.com\/pt\/wp-json\/wp\/v2\/media?parent=6547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}