{"id":1780,"date":"2025-10-15T03:59:02","date_gmt":"2025-10-15T03:59:02","guid":{"rendered":"https:\/\/www.railgrindingwheel.com\/?page_id=1780"},"modified":"2026-09-08T04:43:31","modified_gmt":"2026-09-08T04:43:31","slug":"loram-rgi","status":"publish","type":"page","link":"https:\/\/www.railgrindingwheel.com\/zh\/railgrinderlibrary\/loram-rgi\/","title":{"rendered":"Loram RGI \u8f68\u9053\u6253\u78e8\u673a"},"content":{"rendered":"<style>\n.rgw-rgi{--navy:#082b46;--blue:#075ca8;--pale:#f2f6f8;--line:#d4e0e7;--ink:#14344b;--muted:#5d7281;color:var(--ink);font-family:Montserrat,Arial,sans-serif}.rgw-rgi *{box-sizing:border-box}.rgw-rgi 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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div:nth-child(2){border-right:0}.rgw-gallery{grid-template-columns:1fr 1fr}}@media(max-width:600px){.rgw-shell{width:min(100% - 24px,1180px)}.rgw-hero{padding:38px 0}.rgw-rgi h1{font-size:42px}.rgw-facts,.rgw-process,.rgw-usecases,.rgw-gallery,.rgw-wheel-body,.rgw-wheel-specs,.rgw-checklist,.rgw-related-grid{grid-template-columns:1fr}.rgw-facts div{border-right:0;border-bottom:1px solid var(--line)}.rgw-spec-row{grid-template-columns:1fr;gap:4px}.rgw-spec-row:first-child{display:none}.rgw-wheel-intro{padding:24px}.rgw-wheel-photo{width:calc(100% - 48px);max-width:420px;margin:24px auto}.rgw-wheel-copy{padding:0 24px 25px}.rgw-wheel-specs div:nth-child(odd){border-right:0}.rgw-actions .rgw-btn{width:100%;text-align:center}}\n.rgw-layout{grid-template-columns:minmax(0,1fr) minmax(260px,31%);gap:32px}@media(max-width:900px){.rgw-layout{grid-template-columns:minmax(0,1fr) 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-rgi .rgw-layout{display:grid!important;grid-template-columns:minmax(0,1fr) minmax(220px,30%)!important;gap:24px!important;align-items:start!important}.rgw-rgi .rgw-main,.rgw-rgi .rgw-aside{width:auto!important;max-width:none!important;float:none!important}.rgw-rgi .rgw-aside{position:sticky!important;top:100px!important;grid-column:2!important;grid-row:1!important}}\n.rgw-rgi .rgw-hero{color:#fff!important;background:linear-gradient(120deg,#061d31,#0a3557 72%,#075ca8)!important}.rgw-rgi .rgw-brand{color:#8fcdf4!important}.rgw-rgi .rgw-brand img{width:118px!important;height:48px!important;padding:8px!important;border-radius:4px!important;background:#fff!important;object-fit:contain!important}.rgw-rgi .rgw-hero h1{color:#fff!important}.rgw-rgi .rgw-answer{color:#d6e4ee!important}.rgw-rgi .rgw-review{color:#9fc0d5!important}.rgw-rgi .rgw-btn-primary{border-color:#ec6a19!important;color:#fff!important;background:#ec6a19!important}.rgw-rgi .rgw-btn-secondary{border-color:#ffffff62!important;color:#fff!important;background:#ffffff0b!important}.rgw-rgi .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-rgi .rgw-hero-media img{display:block!important;width:100%!important;aspect-ratio:16\/10!important;object-fit:cover!important}.rgw-rgi .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-rgi\">\n<div class=\"rgw-shell rgw-breadcrumb\"><a href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/\">Grinding Trains Library<\/a> \/ Loram \/ RGI<\/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;\">Production &amp; specialty rail grinding<\/div>\n<h1>Loram RGI Rail Grinder<\/h1>\n<p class=\"rgw-answer\">The Loram RGI is a modular production and specialty rail grinder for commuter, freight and high-speed rail networks with clearance, curve-radius or axle-load constraints. Published configurations use 16\u201396 grinding motors and operate at 3\u201320 km\/h.<\/p>\n<div class=\"rgw-review\">Last source review: 8 September 2026 \u00b7 Manufacturer data<\/div>\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\">View grinding wheel<\/a><\/div>\n<\/div>\n<figure class=\"rgw-hero-media\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-_3.jpg\" alt=\"Loram RGI 60 rail grinding train\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/720;\"><figcaption>Loram RGI 60. Delivered configurations vary by railway and operating requirement.<\/figcaption><\/figure>\n<\/div>\n<\/section>\n<div class=\"rgw-shell rgw-facts\" aria-label=\"RGI quick facts\">\n<div><small>Grinding motors<\/small><strong>16\u201396<\/strong><\/div>\n<div><small>Grinding speed<\/small><strong>3\u201320 km\/h<\/strong><\/div>\n<div><small>Track gauge<\/small><strong>1,000\u20131,600 mm<\/strong><\/div>\n<div><small>Machine class<\/small><strong>Production &amp; specialty<\/strong><\/div>\n<\/div>\n<section class=\"rgw-body\">\n<div class=\"rgw-shell rgw-layout\"><main class=\"rgw-main\"><\/p>\n<nav class=\"rgw-toc\" aria-label=\"On this page\"><strong>On this page<\/strong><a href=\"#overview\">Overview<\/a><a href=\"#gallery\">Gallery<\/a><a href=\"#specifications\">Specifications<\/a><a href=\"#system\">Grinding system<\/a><a href=\"#applications\">Applications<\/a><a href=\"#video\">Video<\/a><a href=\"#wheel-reference\">Wheel product<\/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 RGI?<\/h2>\n<p>The RGI is Loram\u2019s reduced-footprint international grinding platform. Its modular design supports both production and specialty work where loading gauge, axle load or curve radius limits make a larger consist unsuitable. Loram publishes configurations from 16 to 96 grinding motors, with independent tilt-and-shift modules covering a 100-degree grinding range.<\/p>\n<p class=\"rgw-note\">This entry focuses on the RGI platform and its published operating envelope. For a broader comparison of Loram machines, see the <a href=\"https:\/\/www.railgrindingwheel.com\/loram-rail-grinding\/\">Loram rail grinding guide<\/a>.<\/p>\n<\/section>\n<section id=\"gallery\" class=\"rgw-section\"><span class=\"rgw-kicker\">Reference photographs<\/span><\/p>\n<h2>Loram RGI gallery<\/h2>\n<p>These photographs show RGI equipment in different operating and consist arrangements.<\/p>\n<div class=\"rgw-gallery\"><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-_2.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-_2.jpg\" alt=\"Loram RGI 60 rail grinder\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/750;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-.jpg\" alt=\"Loram RGI 60 grinding train\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/750;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-_3.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-_3.jpg\" alt=\"Loram RGI production rail grinder\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/720;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-_4.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-_4.jpg\" alt=\"Loram RGI rail grinding consist\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/750;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__29.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__29.jpg\" alt=\"Loram RGI rail grinder in M\u00fcnster\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 800px; --smush-placeholder-aspect-ratio: 800\/521;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__08.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__08.jpg\" alt=\"Loram RGI equipment in M\u00fcnster\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 533px; --smush-placeholder-aspect-ratio: 533\/800;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__12.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__12.jpg\" alt=\"Loram RGI train side view\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 533px; --smush-placeholder-aspect-ratio: 533\/800;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__13.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__13.jpg\" alt=\"Loram RGI vehicle detail\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 526px; --smush-placeholder-aspect-ratio: 526\/800;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__14.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__14.jpg\" alt=\"Loram RGI grinding module detail\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 800px; --smush-placeholder-aspect-ratio: 800\/515;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__15.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__15.jpg\" alt=\"Loram RGI maintenance equipment detail\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 511px; --smush-placeholder-aspect-ratio: 511\/800;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__16.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/Loram__20130530_Muenster__16.jpg\" alt=\"Loram RGI rail grinding equipment\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 800px; --smush-placeholder-aspect-ratio: 800\/515;\"><\/a><\/div>\n<\/section>\n<section id=\"specifications\" class=\"rgw-section\"><span class=\"rgw-kicker\">Manufacturer data<\/span><\/p>\n<h2>RGI key specifications<\/h2>\n<p>Values below are based on Loram\u2019s published RGI material. Several values depend on the delivered consist and railway requirements; machine-specific documentation remains the controlling reference.<\/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>Width<\/b><span>10.2 ft (3.1 m)<\/span><span>Published maximum envelope<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Height<\/b><span>13.8 ft (4.2 m)<\/span><span>Published maximum envelope<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Maximum axle weight<\/b><span>Up to 24.8 ton (22.5 tonne)<\/span><span>Configuration dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding motors<\/b><span>16\u201396; 30 hp (22.4 kW) each<\/span><span>Modular configuration<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding speed<\/b><span>2\u201312 mph (3\u201320 km\/h)<\/span><span>Application dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Travel speed<\/b><span>Up to 60 mph (100 km\/h)<\/span><span>Self-propelled<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Gradeability<\/b><span>Up to 3%<\/span><span>Configuration dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Minimum grinding radius<\/b><span>130\u2013180 m (10\u00b0\u201313\u00b0 curve)<\/span><span>Configuration dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Minimum travel radius<\/b><span>100 m (17\u00b0 curve)<\/span><span>Published reference<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding angles<\/b><span>70\u00b0 gauge\u201330\u00b0 field or 75\u00b0 gauge\u201325\u00b0 field<\/span><span>100\u00b0 range<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Generator<\/b><span>Up to 2.7 MW, 480 Vac, 60 Hz, 3-phase<\/span><span>Configuration dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Fuel capacity<\/b><span>Up to 3,600 gal (13,600 L)<\/span><span>Configuration dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Track gauge<\/b><span>39.4\u201363 in (1,000\u20131,600 mm)<\/span><span>Configuration dependent<\/span><\/div>\n<\/div>\n<div class=\"rgw-source-line\">Sources: <a href=\"https:\/\/loram.com\/en-gb\/track-maintenance\/rail-grinding\/production-rail-grinding\/rgi\/\">Loram RGI product page<\/a> and <a href=\"https:\/\/loram.com\/wp-content\/uploads\/RGI-SpecSheet-v3_12-21_digital.pdf\">RGI specification sheet<\/a>.<\/div>\n<\/section>\n<section id=\"system\" class=\"rgw-section\"><span class=\"rgw-kicker\">Operating principle<\/span><\/p>\n<h2>How the RGI grinding system works<\/h2>\n<div class=\"rgw-process\">\n<div><b>01<\/b><\/p>\n<h3>Configure<\/h3>\n<p>The consist and number of grinding modules are selected for the railway\u2019s clearance, axle-load and output requirements.<\/p>\n<\/div>\n<div><b>02<\/b><\/p>\n<h3>Position<\/h3>\n<p>Independent tilt-and-shift modules place the grinding stones across the required rail-head angles.<\/p>\n<\/div>\n<div><b>03<\/b><\/p>\n<h3>Grind<\/h3>\n<p>Electric motors apply rotary abrasive stones while the train moves through the planned grinding programme.<\/p>\n<\/div>\n<div><b>04<\/b><\/p>\n<h3>Verify<\/h3>\n<p>Rail measurement and the railway\u2019s acceptance process confirm profile and surface-quality results.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"applications\" class=\"rgw-section\"><span class=\"rgw-kicker\">Use cases<\/span><\/p>\n<h2>Typical RGI applications<\/h2>\n<div class=\"rgw-usecases\">\n<div><strong>Restricted-clearance routes<\/strong><\/p>\n<p>A reduced platform footprint for networks with tighter loading-gauge requirements.<\/p>\n<\/div>\n<div><strong>Curved commuter networks<\/strong><\/p>\n<p>Production or specialty grinding where compact curve-radius capability is important.<\/p>\n<\/div>\n<div><strong>Freight corridors<\/strong><\/p>\n<p>Preventive and corrective grinding on routes whose axle-load or clearance limits suit an RGI configuration.<\/p>\n<\/div>\n<div><strong>High-speed rail<\/strong><\/p>\n<p>Loram states that RGI grind quality is designed to meet EN 13231 requirements for high-speed applications.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"rgw-section\"><span class=\"rgw-kicker\">Configuration guide<\/span><\/p>\n<h2>RGI configurations and machine identification<\/h2>\n<p>RGI machines can be supplied with different numbers of grinding motors and may be joined in certain configurations to increase the working footprint. Confirm the equipment plate, fleet or serial information, grinding-head arrangement and operator documentation before specifying replacement consumables.<\/p>\n<\/section>\n<section id=\"video\" class=\"rgw-section\"><span class=\"rgw-kicker\">Video reference<\/span><\/p>\n<h2>Loram RGI video<\/h2>\n<p>This video provides a visual reference for Loram rail grinding equipment in operation. Delivered equipment and operating programmes vary by railway.<\/p>\n<p><a class=\"rgw-video\" href=\"https:\/\/www.youtube.com\/watch?v=J74CJK84SjY\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-_3.jpg\" alt=\"Loram RGI rail grinder video preview\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/720;\"><span>Watch the Loram rail grinder video<\/span><\/a><\/section>\n<section id=\"wheel-reference\" class=\"rgw-wheel\">\n<header class=\"rgw-wheel-intro\"><span class=\"rgw-kicker\">Grinding wheel reference<\/span><\/p>\n<h2>260 mm \/ 10-inch rail grinding wheel<\/h2>\n<p>A resin-bond zirconia grinding wheel for high-load rail grinding applications. This nominal size is associated with some Loram RGI applications, subject to verification against the individual machine, installed grinding head and approved drawing.<\/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=\"260 mm 10-inch resin-bond zirconia rail grinding wheel\" 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>Nominal size<\/dt>\n<dd>260 mm \/ 10 inches<\/dd>\n<\/div>\n<div>\n<dt>Abrasive<\/dt>\n<dd>Zirconia alumina<\/dd>\n<\/div>\n<div>\n<dt>Bond<\/dt>\n<dd>Resin bond<\/dd>\n<\/div>\n<div>\n<dt>Maximum speed<\/dt>\n<dd>50 m\/s<\/dd>\n<\/div>\n<\/dl>\n<div class=\"rgw-caution\">Reference product only. Confirm complete dimensions, wheel marking, mounting interface, maximum RPM and the approved drawing before ordering.<\/div>\n<div class=\"rgw-actions\"><a class=\"rgw-btn rgw-btn-primary\" href=\"https:\/\/www.railgrindingwheel.com\/rail-grinding-train-wheel\/260x90x154\/\">View complete product details<\/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>Information required before ordering<\/h2>\n<div class=\"rgw-checklist\">\n<div><b>01<\/b>Machine model and fleet or serial information<\/div>\n<div><b>02<\/b>Existing wheel marking and complete dimensions<\/div>\n<div><b>03<\/b>Bore, thread or mounting-interface details<\/div>\n<div><b>04<\/b>Maximum permitted RPM and grinding-head configuration<\/div>\n<div><b>05<\/b>Rail condition and intended grinding application<\/div>\n<div><b>06<\/b>Quantity, destination country and required delivery 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 RGI FAQ<\/h2>\n<details>\n<summary>What is the Loram RGI?<\/summary>\n<p>It is a modular production and specialty rail grinder developed for networks with clearance, curve-radius or axle-load constraints.<\/p>\n<\/details>\n<details>\n<summary>How fast can an RGI grind rail?<\/summary>\n<p>Loram publishes a grinding speed range of 2\u201312 mph (3\u201320 km\/h), depending on the application and delivered configuration.<\/p>\n<\/details>\n<details>\n<summary>How many grinding stones does the RGI use?<\/summary>\n<p>Published modular configurations use 16\u201396 grinding motors and stones.<\/p>\n<\/details>\n<details>\n<summary>What track gauges can the RGI support?<\/summary>\n<p>Loram publishes a configuration-dependent range of 1,000\u20131,600 mm (39.4\u201363 inches).<\/p>\n<\/details>\n<details>\n<summary>What grinding wheel size fits the Loram RGI?<\/summary>\n<p>A 260 mm or 10-inch wheel is a nominal reference associated with some Loram applications. Confirm complete dimensions, mounting interface, maximum RPM and machine documentation before ordering.<\/p>\n<\/details>\n<\/section>\n<section class=\"rgw-references\">\n<h2>References<\/h2>\n<ol>\n<li><a href=\"https:\/\/loram.com\/en-gb\/track-maintenance\/rail-grinding\/production-rail-grinding\/rgi\/\">Loram RGI product page<\/a> \u2014 manufacturer overview, features and published operating data.<\/li>\n<li><a href=\"https:\/\/loram.com\/wp-content\/uploads\/RGI-SpecSheet-v3_12-21_digital.pdf\">Loram RGI specification sheet<\/a> \u2014 manufacturer technical specifications.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=J74CJK84SjY\">Loram rail grinding video<\/a> \u2014 operational video reference.<\/li>\n<li><a href=\"https:\/\/www.railgrindingwheel.com\/rail-grinding-train-wheel\/260x90x154\/\">260 mm \/ 10-inch wheel product page<\/a> \u2014 complete wheel dimensions and product information.<\/li>\n<li><a href=\"https:\/\/www.railgrindingwheel.com\/loram-rail-grinding\/\">Loram rail grinding guide<\/a> \u2014 related machines and application overview.<\/li>\n<\/ol>\n<\/section>\n<p>  <\/main><\/p>\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\" 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>RGI Series<\/dd>\n<\/div>\n<div>\n<dt>Machine type<\/dt>\n<dd>Production &amp; specialty grinder<\/dd>\n<\/div>\n<div>\n<dt>Technology<\/dt>\n<dd>Rotary abrasive grinding<\/dd>\n<\/div>\n<div>\n<dt>Grinding motors<\/dt>\n<dd>16\u201396<\/dd>\n<\/div>\n<div>\n<dt>Working speed<\/dt>\n<dd>3\u201320 km\/h<\/dd>\n<\/div>\n<div>\n<dt>Track gauge<\/dt>\n<dd>1,000\u20131,600 mm<\/dd>\n<\/div>\n<\/dl>\n<p><a class=\"rgw-official\" href=\"https:\/\/loram.com\/en-gb\/track-maintenance\/rail-grinding\/production-rail-grinding\/rgi\/\">Official manufacturer source \u2197<\/a><\/div>\n<div class=\"rgw-rfq\"><span class=\"rgw-kicker\">Compatibility review<\/span><\/p>\n<h3>Have an RGI wheel to identify?<\/h3>\n<p>Send the existing wheel marking, dimensions, mounting data and required 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<\/section>\n<section class=\"rgw-related\">\n<div class=\"rgw-shell\">\n<div class=\"rgw-related-head\">\n<div><span class=\"rgw-kicker\">Related Loram entries<\/span><\/p>\n<h2>Continue exploring<\/h2>\n<\/div>\n<\/div>\n<div class=\"rgw-related-grid\"><a href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/loram-rg400\/\"><small>Production grinder<\/small><strong>Loram RG400<\/strong><span>Review Loram\u2019s larger modular production grinding platform.<\/span><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/rail-grinding-train-wheel\/260x90x154\/\"><small>Grinding wheel<\/small><strong>260 mm \/ 10 inch<\/strong><span>Review complete dimensions and request a specification check.<\/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 global manufacturer and 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 RGI Rail Grinder\",\"description\":\"Loram RGI specifications, applications, grinding-system information and grinding-wheel selection points.\",\"image\":\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2025\/10\/LORAM-RGI-60-_3.jpg\",\"datePublished\":\"2025-10-15\",\"dateModified\":\"2026-09-08\",\"author\":{\"@type\":\"Organization\",\"name\":\"Jumbo Abrasives\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Jumbo Abrasives\",\"url\":\"https:\/\/www.railgrindingwheel.com\/\"},\"mainEntityOfPage\":\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/loram-rgi\/\"},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the Loram RGI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is a modular production and specialty rail grinder developed for networks with clearance, curve-radius or axle-load constraints.\"}},{\"@type\":\"Question\",\"name\":\"How fast can an RGI grind rail?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Loram publishes a grinding speed range of 2\u201312 mph (3\u201320 km\/h), depending on the application and delivered configuration.\"}},{\"@type\":\"Question\",\"name\":\"How many grinding stones does the RGI use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Published modular configurations use 16\u201396 grinding motors and stones.\"}},{\"@type\":\"Question\",\"name\":\"What track gauges can the RGI support?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Loram publishes a configuration-dependent range of 1,000\u20131,600 mm (39.4\u201363 inches).\"}},{\"@type\":\"Question\",\"name\":\"What grinding wheel size fits the Loram RGI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 260 mm or 10-inch wheel is a nominal reference associated with some Loram applications. Confirm complete dimensions, mounting interface, maximum RPM and machine documentation before ordering.\"}}]}]}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Grinding Trains Library \/ Loram \/ RGI Production &amp; specialty rail grinding Loram RGI Rail Grinder The Loram RGI is a modular production and specialty rail grinder for commuter, freight and high-speed rail networks with clearance, curve-radius or axle-load constraints. Published configurations use 16\u201396 grinding motors and operate at 3\u201320 km\/h. Last source review: 8 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1782,"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":"default","site-sidebar-style":"default","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 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with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Railroad Grinder Loram RGI | Rail Grinder Library<\/title>\n<meta name=\"description\" content=\"Discover the Loram RGI rail grinder: review its technical specs, and watch videos and photos of its precision grinding in action.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.railgrindingwheel.com\/zh\/railgrinderlibrary\/loram-rgi\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Loram RGI Rail Grinder\" \/>\n<meta property=\"og:description\" content=\"Rail Grinding Wheel manufacturer since 1996, for Loram, Harsco, Speno, Vossloh, and GEMAC rail grinders.\" \/>\n<meta property=\"og:url\" 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