{"id":578,"date":"2026-11-13T00:00:45","date_gmt":"2026-11-13T00:00:45","guid":{"rendered":"https:\/\/directlogisticsandservices.com\/?page_id=578"},"modified":"2026-11-13T01:52:16","modified_gmt":"2026-11-13T01:52:16","slug":"dls-trailer","status":"publish","type":"page","link":"https:\/\/directlogisticsandservices.com\/?page_id=578","title":{"rendered":"DMB-23 Trailer"},"content":{"rendered":"\n<link rel=\"stylesheet\" href=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dls-site-v7.css\">\n<script type=\"module\" src=\"https:\/\/unpkg.com\/@google\/model-viewer@4.1.0\/dist\/model-viewer.min.js\"><\/script>\n<div class=\"dls\">\n\n<section class=\"hero hero-trailer\">\n  <div class=\"wrap\">\n    <span class=\"badge\">Concept in development<\/span><span class=\"badge pp\">Patent pending<\/span>\n    <span class=\"eyebrow\">DLS DMB-23 &middot; Hopper bottom + belly dump<\/span>\n    <h1>A hopper bottom and a belly dump. <em>One trailer.<\/em><\/h1>\n    <p class=\"lead\">Hopper-bottom work needs a narrow, controlled stream onto a conveyor or into a pit. Belly-dump work needs a wide-open gate to lay down a windrow. Today that takes two trailers. The DMB-23 is one aluminum hopper with four sliding gates that set the opening, so the same trailer runs as a hopper bottom or a belly dump.<\/p>\n    <div class=\"ctas\">\n      <a class=\"btn btn-red\" href=\"#model\">See it in 3D <span class=\"arrow\">&darr;<\/span><\/a>\n      <a class=\"btn btn-ghost\" href=\"\/?page_id=56\">Partner with us<\/a>\n    <\/div>\n    <figure class=\"render\">\n      <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dls-dmb23-render.jpg\" alt=\"Concept rendering of the DLS DMB-23 hopper-bottom and belly-dump trailer with electric tarp and four sliding discharge gates\" width=\"1568\" height=\"455\">\n      <figcaption>Concept rendering<\/figcaption>\n    <\/figure>\n    <div class=\"modes\">\n      <div><i style=\"width:34%\"><\/i><b>Hopper-bottom mode<\/b><span>Narrow, centered stream onto the belt<\/span><\/div>\n      <div><i style=\"width:62%\"><\/i><b>Metered<\/b><span>Any width and length in between<\/span><\/div>\n      <div><i style=\"width:100%\"><\/i><b>Belly-dump mode<\/b><span>Full open for the windrow<\/span><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"orders\">\n  <div class=\"wrap\">\n    <div><b>Patent pending. Now taking orders for pilot units.<\/b> <span>DMB-23 hopper-bottom \/ belly-dump trailer<\/span><\/div>\n    <a href=\"tel:+13032691239\">Call 303-269-1239 <span class=\"arrow\">&rarr;<\/span><\/a>\n  <\/div>\n<\/section>\n\n<section class=\"sand-viewer-sec trailer-viewer-sec\" id=\"model\">\n  <div class=\"wrap\">\n    <div class=\"viewer\">\n      <div class=\"viewer-top\">DMB-23 gate study<span data-mode-label>Closed and sealed<\/span><\/div>\n      <model-viewer id=\"dls-dmb23\" src=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dls-dmb23-closed.glb\" alt=\"Concept 3D model of the DLS DMB-23 variable-aperture hopper trailer with four sliding discharge gates\" camera-controls touch-action=\"pan-y\" shadow-intensity=\"1\" exposure=\"1.25\" camera-orbit=\"-145deg 72deg 105%\" field-of-view=\"32deg\" min-camera-orbit=\"auto 5deg auto\" max-camera-orbit=\"auto 175deg auto\" interaction-prompt=\"auto\">\n        <div class=\"mv-fallback\" slot=\"poster\">Loading 3D model&hellip;<\/div>\n      <\/model-viewer>\n      <div class=\"controls\">\n        <button type=\"button\" class=\"active\" data-model=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dls-dmb23-closed.glb\" data-label=\"Closed and sealed\">Closed<\/button>\n        <button type=\"button\" data-model=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dls-dmb23-conveyor.glb\" data-label=\"Hopper-bottom mode, about 28 &times; 28 in opening\">Hopper-bottom mode<\/button>\n        <button type=\"button\" data-model=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dls-dmb23-belly.glb\" data-label=\"Belly-dump mode, about 48 &times; 96 in opening\">Belly-dump mode<\/button>\n        <button type=\"button\" data-under aria-pressed=\"false\">View from below<\/button>\n        <small>Drag to orbit &middot; scroll or pinch to zoom<\/small>\n      <\/div>\n    <\/div>\n    <p class=\"caption\">Concept visualization. Geometry is illustrative and not for fabrication.<\/p>\n\n    <div class=\"stats stats-dark\">\n      <div><b>1<\/b><span>Hopper and one discharge point, centered in every mode<\/span><\/div>\n      <div><b>4<\/b><span>Sliding gates: one pair sets width, one pair sets length<\/span><\/div>\n      <div><b>28&times;28&Prime;<\/b><span>Hopper-bottom opening (nominal study)<\/span><\/div>\n      <div><b>48&times;96&Prime;<\/b><span>Belly-dump opening (nominal study)<\/span><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section>\n  <div class=\"wrap split\">\n    <div>\n      <span class=\"eyebrow\">How it works<\/span>\n      <h2>Two pairs of gates. Any opening in between.<\/h2>\n      <p class=\"lead\">Four rigid sliding leaves sit on two levels under a single hopper, so one trailer works as a hopper bottom or a belly dump. One opposed pair adjusts the width of the opening, the other adjusts its length. Because the leaves move symmetrically, the stream always lands in the same place.<\/p>\n      <ul class=\"checks\">\n        <li><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\"><path d=\"M5 12.5l4.5 4.5L19 7.5\"\/><\/svg><div><b>Hopper bottom for the belt<\/b><span>Set the width to the conveyor receiver, then meter the feed by opening length, like a hopper bottom.<\/span><\/div><\/li>\n        <li><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\"><path d=\"M5 12.5l4.5 4.5L19 7.5\"\/><\/svg><div><b>Belly dump for the windrow<\/b><span>Open progressively to a full belly-dump footprint for aggregate, base and rock.<\/span><\/div><\/li>\n        <li><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\"><path d=\"M5 12.5l4.5 4.5L19 7.5\"\/><\/svg><div><b>Sealed separately<\/b><span>A dedicated sealing step after the gates close, with replaceable wear covers on each leaf.<\/span><\/div><\/li>\n      <\/ul>\n    <\/div>\n    <figure class=\"gif\">\n      <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dls-dmb23-motion.gif\" alt=\"Animation of the four sliding gates opening from a narrow hopper-bottom opening to a wide belly-dump opening\" loading=\"lazy\" width=\"1000\" height=\"700\">\n      <figcaption>Gate motion study: hopper-bottom opening expanding to full belly-dump opening.<\/figcaption>\n    <\/figure>\n  <\/div>\n<\/section>\n\n<section class=\"dark\">\n  <div class=\"wrap split\">\n    <div>\n      <span class=\"eyebrow\" style=\"color:#f2b544\">The problem<\/span>\n      <h2>The problem is the gate.<\/h2>\n      <p class=\"lead\">A hopper bottom meters sand onto a belt but can&#8217;t spread a windrow. A belly dump spreads rock but weeps fine frac sand through its clamshell gates and can&#8217;t feed a conveyor. So most fleets need both, plus pneumatics and boxes for the sand.<\/p>\n      <p class=\"lead\">When the sand market slows, the hoppers sit. When paving slows, the belly dumps sit. <b style=\"color:#fff\">Fix the gate, and one trailer does both jobs.<\/b><\/p>\n    <\/div>\n    <div class=\"lanes\">\n      <div class=\"lh\"><span>Lane<\/span><span>Today<\/span><span>DMB-23 goal<\/span><\/div>\n      <div><span>Paving &amp; aggregate<\/span><span>Belly dump<\/span><b>Belly-dump mode, same windrow<\/b><\/div>\n      <div><span>Sand to conveyor systems<\/span><span>Hopper bottom, pneumatic or box<\/span><b>Hopper-bottom mode onto the belt<\/b><\/div>\n      <div><span>Wet sand to pits<\/span><span>Belly or end dump<\/span><b>Sealed gate, metered opening<\/b><\/div>\n      <div><span>Grain, lime &amp; dry bulk<\/span><span>Hopper bottom<\/span><b>Hopper-bottom mode, sealed tarp<\/b><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"bg-paper\">\n  <div class=\"wrap\">\n    <span class=\"eyebrow\">Why we&#8217;re building it<\/span>\n    <h2>Keep the trailer working when the market shifts.<\/h2>\n    <p class=\"lead\">Frac sand, aggregate and construction work rise and fall on different cycles. A trailer that can qualify for more kinds of work spends less time parked.<\/p>\n    <div class=\"grid3\">\n      <div class=\"card\"><div class=\"num\">Hopper-bottom work<\/div><h3>Belt-ready discharge<\/h3><p>A narrow, centered stream for conveyor receivers at transloads and on location, and for dry bulk unloading.<\/p><\/div>\n      <div class=\"card\"><div class=\"num\">Belly-dump work<\/div><h3>Windrow spread<\/h3><p>Open wide for road base, gravel and aggregate laid down in a windrow.<\/p><\/div>\n      <div class=\"card\"><div class=\"num\">Driver-first<\/div><h3>Powered gates, electric tarp<\/h3><p>Baseline objectives, so the driver controls the load without climbing on the trailer.<\/p><\/div>\n    <\/div>\n    <dl class=\"spec\" style=\"margin-top:44px\">\n      <div><span>Model<\/span><b>DMB-23 Variable Aperture<\/b><\/div>\n      <div><span>Type<\/span><b>Hopper bottom + belly dump<\/b><\/div>\n      <div><span>Payload target<\/span><b>23.5 US tons (design objective)<\/b><\/div>\n      <div><span>Running gear<\/span><b>Tandem axle<\/b><\/div>\n      <div><span>Gates<\/span><b>4 sliding leaves, 2 levels<\/b><\/div>\n      <div><span>Tarp<\/span><b>Electric (baseline objective)<\/b><\/div>\n      <div><span>Status<\/span><b>3D concept &rarr; full-size gate rig<\/b><\/div>\n    <\/dl>\n  <\/div>\n<\/section>\n\n<section class=\"sand-viewer-sec\" style=\"padding-top:96px\">\n  <div class=\"wrap\">\n    <span class=\"eyebrow\" style=\"color:#f2b544\">Built for the whole system<\/span>\n    <h2 style=\"color:#fff\">The DMB-23 at work on a DLSAPEX pad.<\/h2>\n    <p class=\"lead\" style=\"color:rgba(255,255,255,.75)\">One trailer, two jobs at once: in hopper-bottom mode it meters onto the DLSAPEX receiving belt, and in belly-dump mode it drops straight onto the pile. Designed alongside our sand system, one company from the truck to the blender.<\/p>\n    <div class=\"viewer frame has-poster\" style=\"margin-top:36px\">\n      <a class=\"mv-poster\" href=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dlsapex-3d-v3n.html#both\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dlsapex-card-fleet.jpg\" alt=\"DLSAPEX sand pad with DMB-23 trailers unloading\" loading=\"lazy\"><span>Tap to explore in 3D &rarr;<\/span><\/a>\n      <iframe src=\"https:\/\/directlogisticsandservices.com\/wp-content\/uploads\/dls-site\/dlsapex-3d-v3n.html#both\" title=\"3D model of DLS DMB-23 trailers unloading at a DLSAPEX sand pad\" loading=\"lazy\" allow=\"fullscreen\"><\/iframe>\n    <\/div>\n    <p class=\"caption\">Both DMB-23 deliveries run at once. Use Pile delivery or Our DMB-23 rigs for a close-up. Concept visualization. <a href=\"\/?page_id=577\" style=\"color:#f2b544\">Explore the DLSAPEX Sand Solution &rarr;<\/a><\/p>\n  <\/div>\n<\/section>\n\n<section>\n  <div class=\"wrap\">\n    <span class=\"eyebrow\">Development path<\/span>\n    <h2>Prove the gate, then build the trailer.<\/h2>\n    <div class=\"road\">\n      <div class=\"done\"><b>3D concept<\/b><span>Gate geometry, closed, hopper-bottom and belly-dump states, motion study<\/span><\/div>\n      <div class=\"now\"><b>Receiver &amp; tractor survey<\/b><span>Measure real conveyor receivers and set the clearance envelope<\/span><\/div>\n      <div><b>Full-size gate rig<\/b><span>Test flow, sealing, wear, actuation under load, and wet-sand behavior<\/span><\/div>\n      <div><b>Prototype trailer<\/b><span>Build the complete trailer once the rig proves out<\/span><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"cta\">\n  <div class=\"wrap\">\n    <div>\n      <h2>Build it with us.<\/h2>\n      <p>We&#8217;re talking with trailer engineers, fabricators and development partners. Let&#8217;s compare notes.<\/p>\n    <\/div>\n    <div class=\"ctas\" style=\"align-items:center\">\n      <a class=\"phone\" href=\"tel:+13032691239\">303-269-1239<\/a>\n      <a class=\"btn btn-dark\" href=\"tel:+13032691239\">Order a pilot <span class=\"arrow\">&rarr;<\/span><\/a>\n    <\/div>\n  <\/div>\n<\/section>\n\n<p class=\"wrap fine\" style=\"padding-top:22px;padding-bottom:30px\">Patent pending. The DMB-23 is a concept in development and is not available for sale. The 3D model and animation show geometric motion only; openings, payload and clearances are design objectives subject to engineering, testing, and legal axle and route limits. No load capacity, flow rate or sealing performance is claimed.<\/p>\n\n<\/div>\n<script>\n(function(){var mv=document.getElementById('dls-dmb23');if(!mv)return;var root=mv.closest('.viewer');var lab=root.querySelector('[data-mode-label]');\nroot.querySelectorAll('[data-model]').forEach(function(b){b.addEventListener('click',function(){var o=mv.getCameraOrbit();mv.src=b.dataset.model;lab.innerHTML=b.dataset.label;root.querySelectorAll('[data-model]').forEach(function(x){x.classList.toggle('active',x===b)});mv.addEventListener('load',function f(){mv.cameraOrbit=o.theta+'rad '+o.phi+'rad '+o.radius+'m';mv.jumpCameraToGoal();mv.removeEventListener('load',f)})})});\nvar u=root.querySelector('[data-under]');u.addEventListener('click',function(){var on=u.getAttribute('aria-pressed')!=='true';u.setAttribute('aria-pressed',on);u.classList.toggle('active',on);mv.cameraOrbit=on?'-145deg 160deg 85%':'-145deg 72deg 105%'});\nmv.addEventListener('error',function(){var f=document.createElement('p');f.className='mv-fallback';f.textContent='The 3D model could not load in this browser.';mv.replaceWith(f)});})();\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Concept in developmentPatent pending DLS DMB-23 &middot; Hopper bottom + belly dump A hopper bottom and a belly dump. One [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"disabled","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-578","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/directlogisticsandservices.com\/index.php?rest_route=\/wp\/v2\/pages\/578","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/directlogisticsandservices.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/directlogisticsandservices.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/directlogisticsandservices.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/directlogisticsandservices.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=578"}],"version-history":[{"count":11,"href":"https:\/\/directlogisticsandservices.com\/index.php?rest_route=\/wp\/v2\/pages\/578\/revisions"}],"predecessor-version":[{"id":628,"href":"https:\/\/directlogisticsandservices.com\/index.php?rest_route=\/wp\/v2\/pages\/578\/revisions\/628"}],"wp:attachment":[{"href":"https:\/\/directlogisticsandservices.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}