{"id":5954,"date":"2026-09-16T14:39:49","date_gmt":"2026-09-16T14:39:49","guid":{"rendered":"https:\/\/www.railgrindingwheel.com\/?page_id=5954"},"modified":"2026-09-16T14:44:26","modified_gmt":"2026-09-16T14:44:26","slug":"loram-mrg","status":"publish","type":"page","link":"https:\/\/www.railgrindingwheel.com\/es\/biblioteca-de-railgrinder\/loram-mrg\/","title":{"rendered":"Loram MRG Transit Rail Grinder"},"content":{"rendered":"<style>\n.rgw-mrg{--navy:#082b46;--blue:#075ca8;--pale:#f2f6f8;--line:#d4e0e7;--ink:#14344b;--muted:#5d7281;color:var(--ink);font-family:Montserrat,Arial,sans-serif}.rgw-mrg *{box-sizing:border-box}.rgw-mrg a{color:var(--blue)}.rgw-shell{width:min(1180px,calc(100% - 36px));margin:auto}.rgw-breadcrumb{padding:16px 0;color:#637887;font-size:13px}.rgw-breadcrumb a{text-decoration:none}.rgw-hero{padding:56px 0;background:linear-gradient(120deg,#eef4f7,#fff)}.rgw-hero-grid{display:grid;grid-template-columns:1fr 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minmax(260px,32%)}.rgw-aside{position:sticky}}@media(max-width:760px){.rgw-layout{grid-template-columns:1fr}.rgw-aside{position:static}}\n@media(min-width:601px){.rgw-mrg .rgw-layout{display:grid!important;grid-template-columns:minmax(0,1fr) minmax(220px,30%)!important;gap:24px!important;align-items:start!important}.rgw-mrg .rgw-main,.rgw-mrg .rgw-aside{width:auto!important;max-width:none!important;float:none!important}.rgw-mrg .rgw-aside{position:sticky!important;top:100px!important;grid-column:2!important;grid-row:1!important}}\n.rgw-mrg .rgw-hero{color:#fff!important;background:linear-gradient(120deg,#061d31,#0a3557 72%,#075ca8)!important}.rgw-mrg .rgw-brand{color:#8fcdf4!important}.rgw-mrg .rgw-brand img{width:118px!important;height:48px!important;padding:8px!important;border-radius:4px!important;background:#fff!important;object-fit:contain!important}.rgw-mrg .rgw-hero h1{color:#fff!important}.rgw-mrg .rgw-answer{color:#d6e4ee!important}.rgw-mrg .rgw-review{color:#9fc0d5!important}.rgw-mrg .rgw-btn-primary{border-color:#ec6a19!important;color:#fff!important;background:#ec6a19!important}.rgw-mrg .rgw-btn-secondary{border-color:#ffffff62!important;color:#fff!important;background:#ffffff0b!important}.rgw-mrg .rgw-hero-media{position:relative!important;overflow:hidden!important;border:1px solid #ffffff2b!important;background:#0b2b43!important;box-shadow:0 24px 48px #0003!important}.rgw-mrg .rgw-hero-media img{display:block!important;width:100%!important;aspect-ratio:16\/10!important;object-fit:cover!important}.rgw-mrg .rgw-hero-media figcaption{position:absolute!important;z-index:2!important;right:16px!important;bottom:13px!important;left:16px!important;padding:0!important;color:#dbe9f1!important;font-size:10px!important;text-shadow:0 1px 4px #000!important}\n<\/style>\n<div class=\"rgw-mrg\">\n<div class=\"rgw-shell rgw-breadcrumb\"><a href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/\">Grinding Trains Library<\/a> \/ Loram \/ MRG<\/div>\n<section class=\"rgw-hero\">\n<div class=\"rgw-shell rgw-hero-grid\">\n<div>\n<div class=\"rgw-brand\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/loram-corporate-logo.png\" alt=\"Loram logo\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/165;\">Transit rail grinding<\/div>\n<h1>Loram MRG Transit Rail Grinder<\/h1>\n<p class=\"rgw-answer\">The Loram MRG is a compact 6- or 8-stone transit rail grinder for metros, subways and other restricted-clearance systems. Loram publishes grades up to 6%, curves down to approximately 18 m and a working speed of about 0.1\u20135 km\/h.<\/p>\n<p class=\"rgw-review\">Last source review: 16 September 2026 \u00b7 Manufacturer data<\/p>\n<div class=\"rgw-actions\"><a class=\"rgw-btn rgw-btn-primary\" href=\"#specifications\">View specifications<\/a><a class=\"rgw-btn rgw-btn-secondary\" href=\"#wheel-reference\">Grinding wheel checklist<\/a><\/div>\n<\/div>\n<figure class=\"rgw-hero-media\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/09\/loram-mrg-transit-rail-grinder-main-scaled.jpg.webp\" alt=\"Loram MRG compact transit rail grinding machine\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/540;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/loram-mrg-transit-rail-grinder-main-scaled.jpg&quot;}\"><figcaption>Loram MRG compact transit rail grinder. Image source: Loram.<\/figcaption><\/figure>\n<\/div>\n<\/section>\n<div class=\"rgw-shell rgw-facts\">\n<div><small>Grinding stones<\/small><strong>6 or 8<\/strong><\/div>\n<div><small>Working speed<\/small><strong>Approx. 0.1\u20135 km\/h<\/strong><\/div>\n<div><small>Minimum radius<\/small><strong>Approx. 18 m<\/strong><\/div>\n<div><small>Machine class<\/small><strong>Transit grinder<\/strong><\/div>\n<\/div>\n<p><main class=\"rgw-body\"><\/p>\n<div class=\"rgw-shell rgw-layout\">\n<article class=\"rgw-main\">\n<nav class=\"rgw-toc\" aria-label=\"On this page\"><strong>On this page<\/strong><a href=\"#overview\">Overview<\/a><a href=\"#specifications\">Specifications<\/a><a href=\"#features\">Features<\/a><a href=\"#gallery\">Images<\/a><a href=\"#applications\">Applications<\/a><a href=\"#comparison\">Comparison<\/a><a href=\"#wheel-reference\">Wheel selection<\/a><a href=\"#faq\">FAQ<\/a><\/nav>\n<section id=\"overview\" class=\"rgw-section\"><span class=\"rgw-kicker\">Model overview<\/span><\/p>\n<h2>What is the Loram MRG?<\/h2>\n<p>The MRG is Loram&#8217;s compact transit rail grinder for networks with tight clearance envelopes, steep grades and sharp curves. It is designed to reprofile the rail head, remove corrugation and remove mill scale in subway, metro and other urban rail environments.<\/p>\n<p>Road and rail transportability allows the machine to be deployed close to the worksite. Loram also lists EU noise-emission compliance and quick start-up as features relevant to night maintenance windows.<\/p>\n<p class=\"rgw-note\"><strong>Best-fit summary:<\/strong> consider MRG when compact dimensions, up to 6% grades, approximately 18 m curves and rapid urban deployment are central requirements. <strong>Model-name note:<\/strong> Loram&#8217;s current source page uses \u201cMRG\u201d; some older or secondary listings use \u201cMRG1\u201d. Verify the machine data plate and documentation before treating those labels as the same configuration. For larger transit and production platforms, see the <a href=\"https:\/\/www.railgrindingwheel.com\/loram-rail-grinding\/\">Loram rail grinding guide<\/a>.<\/p>\n<\/section>\n<section id=\"specifications\" class=\"rgw-section\"><span class=\"rgw-kicker\">Manufacturer data<\/span><\/p>\n<h2>Loram MRG specifications: size, speed, radius and gauge<\/h2>\n<p>Values below are taken from Loram&#8217;s published MRG page. Delivered configurations, infrastructure and local operating rules remain controlling.<\/p>\n<div class=\"rgw-spec\">\n<div class=\"rgw-spec-row\"><span>Specification<\/span><span>Published value<\/span><span>Qualification<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Length<\/b><span>4,845 mm<\/span><span>Compact vehicle<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Width \/ height<\/b><span>1,900 \/ 2,450 mm<\/span><span>Published envelope<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Maximum axle weight<\/b><span>6,700 kg<\/span><span>Published value<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding configuration<\/b><span>6 or 8 stones<\/span><span>Optional configurations<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Working speed<\/b><span>Approx. 0.1\u20135 km\/h<\/span><span>Published in overview<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Motor-spindle speed<\/b><span>Variable up to 6,000 rpm*<\/span><span>Confirm with Loram documentation<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Travel speed<\/b><span>Up to 20 km\/h<\/span><span>Published value<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Gradeability<\/b><span>Up to 6%<\/span><span>Infrastructure dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Minimum grind \/ travel radius<\/b><span>Approx. 18 m<\/span><span>Infrastructure dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding angles<\/b><span>45\u00b0 field to 90\u00b0 gauge<\/span><span>Published range<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Generator<\/b><span>100 kW diesel-electric<\/span><span>Published value<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Fuel \/ water capacity<\/b><span>140 \/ 200 L<\/span><span>Published value<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Track gauge<\/b><span>1,000\u20131,520 mm*<\/span><span>Gauge-convertible; confirm configuration<\/span><\/div>\n<\/div>\n<div class=\"rgw-source-line\">Source: <a href=\"https:\/\/loram.com\/maintenance-of-way\/rail-maintenance\/transit-rail-grinding\/mrg\/\">Loram MRG product page<\/a>. *The source labels 6,000 rpm as \u201cGrind Speed\u201d and presents a mixed imperial\/metric gauge line. This page separates working speed from spindle rpm and uses the published metric gauge range; confirm project data.<\/div>\n<\/section>\n<section id=\"features\" class=\"rgw-section\"><span class=\"rgw-kicker\">Transit features<\/span><\/p>\n<h2>Loram MRG features and optional equipment<\/h2>\n<div class=\"rgw-process\">\n<div><b>01<\/b><\/p>\n<h3>Compact envelope<\/h3>\n<p>Designed for subways and transit systems with restricted clearances.<\/p>\n<\/div>\n<div><b>02<\/b><\/p>\n<h3>Sharp curves and grades<\/h3>\n<p>Published for approximately 18 m curves and grades up to 6%.<\/p>\n<\/div>\n<div><b>03<\/b><\/p>\n<h3>Profile measurement<\/h3>\n<p>Optional non-contact transverse rail-profile measurement system.<\/p>\n<\/div>\n<div><b>04<\/b><\/p>\n<h3>Urban deployment<\/h3>\n<p>Road\/rail transportability, noise compliance and rapid start-up near the worksite.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"gallery\" class=\"rgw-section\"><span class=\"rgw-kicker\">Official images<\/span><\/p>\n<h2>Loram MRG transit grinder images<\/h2>\n<div class=\"rgw-gallery\"><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/09\/loram-mrg-transit-rail-grinder-main-scaled.jpg.webp\" data-smush-webp-fallback=\"{&quot;href&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/loram-mrg-transit-rail-grinder-main-scaled.jpg&quot;}\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/09\/loram-mrg-transit-rail-grinder-main-scaled.jpg.webp\" alt=\"Loram MRG compact transit rail grinding machine\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/540;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/loram-mrg-transit-rail-grinder-main-scaled.jpg&quot;}\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/09\/loram-mrg-transit-rail-grinder-side-scaled.jpg.webp\" data-smush-webp-fallback=\"{&quot;href&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/loram-mrg-transit-rail-grinder-side-scaled.jpg&quot;}\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/09\/loram-mrg-transit-rail-grinder-side-scaled.jpg.webp\" alt=\"Loram MRG transit rail grinder side view\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/540;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/loram-mrg-transit-rail-grinder-side-scaled.jpg&quot;}\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/09\/loram-mrg-transit-rail-grinder-detail-scaled.jpg.webp\" data-smush-webp-fallback=\"{&quot;href&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/loram-mrg-transit-rail-grinder-detail-scaled.jpg&quot;}\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/09\/loram-mrg-transit-rail-grinder-detail-scaled.jpg.webp\" alt=\"Loram MRG compact rail grinder for metro systems\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/540;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/loram-mrg-transit-rail-grinder-detail-scaled.jpg&quot;}\"><\/a><\/div>\n<p>All three images are sourced from Loram&#8217;s official MRG page.<\/p>\n<\/section>\n<section id=\"applications\" class=\"rgw-section\"><span class=\"rgw-kicker\">Transit applications<\/span><\/p>\n<h2>Where is the Loram MRG used?<\/h2>\n<div class=\"rgw-usecases\">\n<div><strong>Subways and metros<\/strong><\/p>\n<p>Compact grinding where tunnel and structure clearances restrict larger machines.<\/p>\n<\/div>\n<div><strong>Sharp urban curves<\/strong><\/p>\n<p>Rail reprofiling on curves down to the published approximate 18 m radius.<\/p>\n<\/div>\n<div><strong>Corrugation removal<\/strong><\/p>\n<p>Controlled grinding to address rail corrugation and restore rail-head profile.<\/p>\n<\/div>\n<div><strong>Mill-scale removal<\/strong><\/p>\n<p>Grinding newly installed or renewed rail where mill-scale treatment is required.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"rgw-section\"><span class=\"rgw-kicker\">Measurement and finish<\/span><\/p>\n<h2>Can the Loram MRG measure rail profile?<\/h2>\n<p>Loram lists an optional non-contact transverse rail-profile measurement system. Confirm the sensor package, data format, calibration, reporting and acceptance criteria for the delivered machine. The public page does not publish complete metal-removal or surface-finish guarantees.<\/p>\n<\/section>\n<section id=\"comparison\" class=\"rgw-section\"><span class=\"rgw-kicker\">Model context<\/span><\/p>\n<h2>Loram MRG vs RGX vs RGC<\/h2>\n<div class=\"rgw-spec\">\n<div class=\"rgw-spec-row\"><span>Model<\/span><span>Primary role<\/span><span>Published context<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>MRG<\/b><span>Compact transit grinding<\/span><span>6 or 8 stones<\/span><\/div>\n<div class=\"rgw-spec-row\"><b><a href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/loram-rgx\">RGX<\/a><\/b><span>Transit and urban grinding<\/span><span>Larger model-specific platform<\/span><\/div>\n<div class=\"rgw-spec-row\"><b><a href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/loram-rgc\/\">RGC<\/a><\/b><span>Compact production grinding<\/span><span>Up to 40 stones<\/span><\/div>\n<\/div>\n<p class=\"rgw-note\"><strong>Selection summary:<\/strong> MRG is the compact choice for tight urban geometry and rapid deployment; RGX targets broader transit programs, while RGC is a production-grinding platform. Confirm clearance, gauge, axle load, curve radius and required output.<\/p>\n<\/section>\n<section id=\"wheel-reference\" class=\"rgw-wheel\">\n<header class=\"rgw-wheel-intro\"><span class=\"rgw-kicker\">Grinding wheel compatibility<\/span><\/p>\n<h2>How to specify grinding wheels for a Loram MRG<\/h2>\n<p>Loram&#8217;s public MRG page does not publish complete wheel dimensions, mounting interface, abrasive specification or approved wheel speed. Do not select a replacement wheel from the machine model alone.<\/p>\n<\/header>\n<div class=\"rgw-wheel-body\">\n<figure class=\"rgw-wheel-photo\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/09\/loram-260mm-10-inch-rail-grinding-wheel-scaled.png.webp\" alt=\"Rail grinding wheel reference for Loram MRG specification review\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 810px; --smush-placeholder-aspect-ratio: 810\/1080;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/loram-260mm-10-inch-rail-grinding-wheel-scaled.png&quot;}\"><\/figure>\n<div class=\"rgw-wheel-copy\">\n<dl class=\"rgw-wheel-specs\">\n<div>\n<dt>Machine<\/dt>\n<dd>Loram MRG<\/dd>\n<\/div>\n<div>\n<dt>Configuration<\/dt>\n<dd>6 or 8 stones<\/dd>\n<\/div>\n<div>\n<dt>Wheel dimensions<\/dt>\n<dd>Confirm from marking<\/dd>\n<\/div>\n<div>\n<dt>Mounting and RPM<\/dt>\n<dd>Confirm before quotation<\/dd>\n<\/div>\n<\/dl>\n<div class=\"rgw-caution\">Confirm the full wheel marking, dimensions, bore or thread, mounting form, approved maximum RPM, application and machine documentation.<\/div>\n<div class=\"rgw-actions\"><a class=\"rgw-btn rgw-btn-primary\" href=\"https:\/\/www.railgrindingwheel.com\/rail-grinding-train-wheel\/\">Browse rail grinding wheels<\/a><a class=\"rgw-btn rgw-btn-secondary\" href=\"https:\/\/www.railgrindingwheel.com\/contactus\/\">Request specification review<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"rgw-section\"><span class=\"rgw-kicker\">RFQ checklist<\/span><\/p>\n<h2>What to send for an MRG grinding-wheel quotation<\/h2>\n<div class=\"rgw-checklist\">\n<div><b>01<\/b>MRG configuration and serial information<\/div>\n<div><b>02<\/b>Existing wheel marking and photographs<\/div>\n<div><b>03<\/b>Wheel dimensions and bore\/thread<\/div>\n<div><b>04<\/b>Mounting interface and approved RPM<\/div>\n<div><b>05<\/b>Rail condition and transit application<\/div>\n<div><b>06<\/b>Quantity, destination and required date<\/div>\n<\/div>\n<\/section>\n<section id=\"faq\" class=\"rgw-section rgw-faq\"><span class=\"rgw-kicker\">Buyer questions<\/span><\/p>\n<h2>Loram MRG FAQ<\/h2>\n<details>\n<summary>What is the Loram MRG?<\/summary>\n<p>A compact 6- or 8-stone transit rail grinder for metros, subways and other restricted-clearance systems.<\/p>\n<\/details>\n<details>\n<summary>How many grinding stones does the MRG use?<\/summary>\n<p>Loram lists optional 6- or 8-stone configurations.<\/p>\n<\/details>\n<details>\n<summary>How fast does the MRG grind?<\/summary>\n<p>Loram&#8217;s overview states approximately 0.1\u20135 km\/h. The specification table separately lists variable motor-spindle speed up to 6,000 rpm.<\/p>\n<\/details>\n<details>\n<summary>What is the minimum curve radius?<\/summary>\n<p>Loram publishes approximately 18 m for grinding and travel, subject to railway infrastructure.<\/p>\n<\/details>\n<details>\n<summary>What track gauges can the MRG support?<\/summary>\n<p>The published metric range is 1,000\u20131,520 mm and the machine is described as gauge-convertible. Confirm the delivered configuration because the source&#8217;s imperial and metric line is inconsistent.<\/p>\n<\/details>\n<details>\n<summary>Can the MRG measure rail profile?<\/summary>\n<p>An optional non-contact transverse rail-profile measurement system is listed by Loram.<\/p>\n<\/details>\n<details>\n<summary>Is the Loram MRG suitable for night work?<\/summary>\n<p>Loram lists EU noise-emission compliance and describes the MRG as suitable for urban environments at night. Local noise limits, access rules and the delivered machine configuration still apply.<\/p>\n<\/details>\n<details>\n<summary>Is Loram MRG the same as MRG1?<\/summary>\n<p>Loram&#8217;s current manufacturer page uses the model name MRG. Some older or secondary listings use MRG1; confirm the machine data plate, serial number and technical documentation before assuming they identify the same configuration.<\/p>\n<\/details>\n<details>\n<summary>What grinding wheel fits a Loram MRG?<\/summary>\n<p>Confirm the wheel marking, dimensions, mounting, approved maximum RPM and machine documentation. The model name alone is insufficient.<\/p>\n<\/details>\n<details>\n<summary>What is needed for an MRG wheel quotation?<\/summary>\n<p>Provide the configuration, serial information, wheel marking, dimensions, mounting, RPM, application, quantity and destination country.<\/p>\n<\/details>\n<\/section>\n<section class=\"rgw-references\">\n<h2>References and review method<\/h2>\n<ol>\n<li><a href=\"https:\/\/loram.com\/maintenance-of-way\/rail-maintenance\/transit-rail-grinding\/mrg\/\">Loram MRG product page<\/a> \u2014 manufacturer specifications and source images.<\/li>\n<li><a href=\"https:\/\/www.railgrindingwheel.com\/loram-rail-grinding\/\">Loram rail grinding guide<\/a>.<\/li>\n<li><a href=\"https:\/\/www.railgrindingwheel.com\/rail-grinding-train-wheel\/\">Rail grinding train wheel category<\/a>.<\/li>\n<\/ol>\n<p>Editorial review: compiled from Loram manufacturer data on 16 September 2026. Jumbo Abrasives is not the MRG manufacturer. Wheel compatibility requires the existing marking, dimensions, mounting and approved documentation.<\/p>\n<\/section>\n<\/article>\n<aside class=\"rgw-aside\">\n<div class=\"rgw-info\">\n<div class=\"rgw-info-head\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/loram-corporate-logo.png\" alt=\"Loram logo\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/165;\"><span>Current platform<\/span><\/div>\n<dl>\n<div>\n<dt>Manufacturer<\/dt>\n<dd>Loram<\/dd>\n<\/div>\n<div>\n<dt>Model<\/dt>\n<dd>MRG<\/dd>\n<\/div>\n<div>\n<dt>Machine type<\/dt>\n<dd>Transit grinder<\/dd>\n<\/div>\n<div>\n<dt>Stones<\/dt>\n<dd>6 or 8<\/dd>\n<\/div>\n<div>\n<dt>Working speed<\/dt>\n<dd>Approx. 0.1\u20135 km\/h<\/dd>\n<\/div>\n<div>\n<dt>Minimum radius<\/dt>\n<dd>Approx. 18 m<\/dd>\n<\/div>\n<\/dl>\n<p><a class=\"rgw-official\" href=\"https:\/\/loram.com\/maintenance-of-way\/rail-maintenance\/transit-rail-grinding\/mrg\/\">Official manufacturer source \u2197<\/a><\/div>\n<div class=\"rgw-rfq\"><span class=\"rgw-kicker\">Compatibility review<\/span><\/p>\n<h3>Have an MRG wheel to identify?<\/h3>\n<p>Send the wheel marking, dimensions, mounting data, RPM, application and quantity.<\/p>\n<p><a class=\"rgw-btn\" href=\"https:\/\/www.railgrindingwheel.com\/contactus\/\">Prepare an RFQ \u2192<\/a><\/div>\n<\/aside>\n<\/div>\n<p><\/main><\/p>\n<section class=\"rgw-related\">\n<div class=\"rgw-shell\"><span class=\"rgw-kicker\">Related Loram entries<\/span><\/p>\n<h2>Continue exploring<\/h2>\n<div class=\"rgw-related-grid\"><a href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/loram-rgx\"><small>Transit grinder<\/small><strong>Loram RGX<\/strong><span>Review another Loram transit platform.<\/span><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/loram-rail-grinding\/\"><small>Loram guide<\/small><strong>Loram rail grinding<\/strong><span>Compare Loram grinder families.<\/span><\/a><a class=\"rgw-library\" href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/\"><small>Model encyclopedia<\/small><strong>Grinding Trains Library<\/strong><span>Return to the model index.<\/span><\/a><\/div>\n<\/div>\n<\/section>\n<\/div>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"headline\":\"Loram MRG Transit Rail Grinder\",\"description\":\"Source-backed Loram MRG transit rail grinder specifications, metro and night-work applications, model-name guidance and grinding-wheel selection checks.\",\"image\":\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/loram-mrg-transit-rail-grinder-main-scaled.jpg\",\"datePublished\":\"2026-09-16\",\"dateModified\":\"2026-09-16\",\"author\":{\"@type\":\"Organization\",\"name\":\"Jumbo Abrasives\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Jumbo Abrasives\",\"url\":\"https:\/\/www.railgrindingwheel.com\/\"},\"mainEntityOfPage\":\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/loram-mrg\/\",\"citation\":\"https:\/\/loram.com\/maintenance-of-way\/rail-maintenance\/transit-rail-grinding\/mrg\/\",\"about\":{\"@type\":\"Vehicle\",\"name\":\"Loram MRG Transit Rail Grinder\",\"model\":\"MRG\",\"manufacturer\":{\"@type\":\"Organization\",\"name\":\"Loram\",\"url\":\"https:\/\/loram.com\/\"},\"sameAs\":\"https:\/\/loram.com\/maintenance-of-way\/rail-maintenance\/transit-rail-grinding\/mrg\/\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Working speed\",\"value\":\"Approximately 0.1\u20135 km\/h\"},{\"@type\":\"PropertyValue\",\"name\":\"Grinding stones\",\"value\":\"6 or 8\"},{\"@type\":\"PropertyValue\",\"name\":\"Minimum curve radius\",\"value\":\"Approximately 18 m\"},{\"@type\":\"PropertyValue\",\"name\":\"Gradeability\",\"value\":\"Up to 6%\"}]}},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the Loram MRG?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A compact 6- or 8-stone transit rail grinder for metros, subways and other restricted-clearance systems.\"}},{\"@type\":\"Question\",\"name\":\"How many grinding stones does the MRG use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Loram lists optional 6- or 8-stone configurations.\"}},{\"@type\":\"Question\",\"name\":\"How fast does the MRG grind?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Loram's overview states approximately 0.1\u20135 km\/h. 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Confirm the delivered configuration.\"}},{\"@type\":\"Question\",\"name\":\"Can the MRG measure rail profile?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"An optional non-contact transverse rail-profile measurement system is listed by Loram.\"}},{\"@type\":\"Question\",\"name\":\"What grinding wheel fits a Loram MRG?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Confirm wheel marking, dimensions, mounting, approved maximum RPM and machine documentation.\"}},{\"@type\":\"Question\",\"name\":\"What is needed for an MRG wheel quotation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Provide configuration, serial information, wheel marking, dimensions, mounting, RPM, application, quantity and destination country.\"}},{\"@type\":\"Question\",\"name\":\"Is the Loram MRG suitable for night work?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Loram lists EU noise-emission compliance and describes the MRG as suitable for urban environments at night. 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Some older or secondary listings use MRG1; confirm the data plate, serial number and documentation before assuming they identify the same configuration.\"}}]}]}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Review Loram MRG compact transit rail grinder specifications, metro and night-work applications, model-name guidance and grinding-wheel compatibility checks.<\/p>","protected":false},"author":4,"featured_media":5951,"parent":1438,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","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":"disabled","footer-sml-layout":"","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":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"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":""},"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-5954","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - 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