{"id":6018,"date":"2026-09-17T07:00:53","date_gmt":"2026-09-17T07:00:53","guid":{"rendered":"https:\/\/www.railgrindingwheel.com\/?page_id=6018"},"modified":"2026-09-17T07:00:53","modified_gmt":"2026-09-17T07:00:53","slug":"plasser-atmo","status":"publish","type":"page","link":"https:\/\/www.railgrindingwheel.com\/es\/biblioteca-de-railgrinder\/plasser-atmo\/","title":{"rendered":"Plasser &#038; Theurer ATMO Rail Grinding Trailer"},"content":{"rendered":"<style>\n.rgw-atmo{--blue:#075ca8;--navy:#072a45;--pale:#f2f6f8;--line:#d4e0e7;--ink:#14344b;--muted:#5d7281;color:var(--ink);font-family:Montserrat,Arial,sans-serif}.rgw-atmo *{box-sizing:border-box}.rgw-atmo 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-hero{padding:56px 0;color:#fff;background:linear-gradient(120deg,#061d31,#0a3557 72%,#075ca8)}.rgw-hero-grid{display:grid;grid-template-columns:1fr 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19px;cursor:pointer;font:700 14px \"Roboto Slab\",Georgia,serif}.rgw-faq details p{margin:0;padding:0 19px 18px;color:#607584;font-size:12px;line-height:1.7}.rgw-references{margin-top:44px;padding-top:22px;border-top:1px solid #bdccd5}.rgw-references li{padding:5px 0;color:#607482;font-size:11px;line-height:1.5}.rgw-aside{position:sticky;top:100px}.rgw-info,.rgw-rfq{border:1px solid #cad7df;background:#fff}.rgw-info-head{padding:14px;background:#eef3f6}.rgw-info dl{margin:0}.rgw-info dl div{display:grid;grid-template-columns:105px 1fr;gap:8px;padding:10px 13px;border-top:1px solid #e0e7eb;font-size:11px}.rgw-info dd{margin:0;font-weight:700}.rgw-rfq{margin-top:15px;padding:22px;color:#fff;background:#073b63}.rgw-rfq p{color:#c2d5e1;font-size:11px;line-height:1.6}.rgw-rfq .rgw-btn{display:block;color:#103b56!important;background:#fff}.rgw-related{padding:54px 0;background:#fff}.rgw-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.rgw-related-grid a{padding:20px;border:1px solid var(--line);text-decoration:none}.rgw-related-grid strong{display:block;margin:7px 0;font:700 21px \"Roboto Slab\",Georgia,serif}.rgw-related-grid span{color:#667b89;font-size:11px}.rgw-related-grid .rgw-library{color:#fff;background:#0b3d5d}.rgw-related-grid .rgw-library span{color:#c5d7e1}@media(max-width:760px){.rgw-hero-grid,.rgw-layout,.rgw-wheel-body{grid-template-columns:1fr}.rgw-aside{position:static}.rgw-facts,.rgw-gallery,.rgw-usecases,.rgw-process,.rgw-checklist,.rgw-related-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.rgw-facts,.rgw-gallery,.rgw-usecases,.rgw-process,.rgw-checklist,.rgw-related-grid,.rgw-wheel-specs{grid-template-columns:1fr}.rgw-spec-row{grid-template-columns:1fr}.rgw-spec-row:first-child{display:none}.rgw-wheel-copy{padding:0 24px 25px}}\n<\/style>\n<div class=\"rgw-atmo\">\n<div class=\"rgw-shell rgw-breadcrumb\"><a href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/\">Grinding Trains Library<\/a> \/ Plasser &amp; Theurer \/ ATMO<\/div>\n<section class=\"rgw-hero\">\n<div class=\"rgw-shell rgw-hero-grid\">\n<div>\n<div class=\"rgw-brand\">PLASSER &amp; THEURER \u00b7 URBAN RAIL GRINDING<\/div>\n<h1>Plasser &amp; Theurer ATMO Rail Grinding Trailer<\/h1>\n<p class=\"rgw-answer\">The Plasser ATMO is a compact rail grinding trailer for acoustic and preventive maintenance on tram and light-rail networks. It combines oscillating and sliding grinding, works in curves down to 17.5 m radius, and can treat Vignole rail, grooved rail and rail embedded in road surfaces.<\/p>\n<p class=\"rgw-review\">Source review: Plasser &amp; Theurer official product information and InnoTrans 2022 ATMO brochure<\/p>\n<div class=\"rgw-actions\"><a class=\"rgw-btn rgw-btn-primary\" href=\"#overview\">View machine guide<\/a><a class=\"rgw-btn rgw-btn-secondary\" href=\"#specifications\">View published data<\/a><\/div>\n<\/div>\n<figure class=\"rgw-hero-media\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/plasser-atmo-main.jpg\" alt=\"Plasser and Theurer ATMO rail grinding trailer for urban rail networks\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 900px; --smush-placeholder-aspect-ratio: 900\/600;\"><figcaption>Plasser ATMO rail grinding trailer. Image source: Plasser &amp; Theurer.<\/figcaption><\/figure>\n<\/div>\n<\/section>\n<div class=\"rgw-shell rgw-facts\">\n<div><small>Machine type<\/small><strong>Grinding trailer<\/strong><\/div>\n<div><small>Working radius<\/small><strong>17.5 m minimum<\/strong><\/div>\n<div><small>Grinding modes<\/small><strong>Oscillating + sliding<\/strong><\/div>\n<div><small>Published speed range<\/small><strong>0\u201330+ km\/h<\/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\"><strong>On this page<\/strong><a href=\"#overview\">Overview<\/a><a href=\"#methods\">Grinding methods<\/a><a href=\"#applications\">Applications<\/a><a href=\"#evidence\">Published results<\/a><a href=\"#gallery\">Gallery<\/a><a href=\"#specifications\">Published data<\/a><a href=\"#limitations\">Evidence limits<\/a><a href=\"#faq\">FAQ<\/a><\/nav>\n<section id=\"overview\" class=\"rgw-section\"><span class=\"rgw-kicker\">Machine overview<\/span><\/p>\n<h2>What is the Plasser ATMO?<\/h2>\n<p>ATMO stands for Automatic Track Machine Oscillator. Plasser &amp; Theurer developed the machine as a compact, unstaffed grinding trailer for urban rail maintenance, particularly tram and light-rail networks where narrow structure gauges, small curve radii and short maintenance windows restrict the use of larger grinding vehicles.<\/p>\n<p>The trailer has its own power supply for the grinding equipment but is not presented as a self-propelled vehicle. It can be pushed or pulled by a suitable rail vehicle or road-rail vehicle, allowing operators to adapt the consist to local fleet and access conditions.<\/p>\n<p class=\"rgw-note\"><strong>Short answer:<\/strong> ATMO is selected for acoustic and preventive grinding in constrained urban networks. Its main distinction is the combination of intensive oscillating grinding and speed-flexible sliding grinding in one trailer.<\/p>\n<\/section>\n<section id=\"methods\" class=\"rgw-section\"><span class=\"rgw-kicker\">Combined grinding technology<\/span><\/p>\n<h2>How does the ATMO grinding system work?<\/h2>\n<div class=\"rgw-process\">\n<div><strong>Oscillating grinding<\/strong><\/p>\n<p>The stones move longitudinally over the rail surface. Plasser &amp; Theurer states that this mode achieves a higher removal rate than sliding grinding and supports more intensive treatment of local surface irregularities.<\/p>\n<\/div>\n<div><strong>Sliding grinding<\/strong><\/p>\n<p>The stones remain in sliding contact with the rail as the trailer moves. This mode supports flexible treatment at different speeds and does not require a minimum processing speed.<\/p>\n<\/div>\n<div><strong>Curve alignment<\/strong><\/p>\n<p>The grinding-unit design keeps the stones aligned with the rail head through tight curves. The current manufacturer page specifies a 17.5 m minimum radius in working mode.<\/p>\n<\/div>\n<div><strong>Wet process<\/strong><\/p>\n<p>Water rinses the grinding stones. The manufacturer describes the process as producing no flying sparks, reducing fire risk in street-running and vegetation-adjacent environments.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"applications\" class=\"rgw-section\"><span class=\"rgw-kicker\">Urban operating scope<\/span><\/p>\n<h2>Where is Plasser ATMO used?<\/h2>\n<div class=\"rgw-usecases\">\n<div><strong>Acoustic grinding<\/strong><\/p>\n<p>Smoothing rail-head irregularities helps reduce wheel-rail excitation, rolling noise and vibration at the source.<\/p>\n<\/div>\n<div><strong>Preventive maintenance<\/strong><\/p>\n<p>Regular light treatment helps control early surface deterioration before more intensive rectification is required.<\/p>\n<\/div>\n<div><strong>Contaminated rail cleaning<\/strong><\/p>\n<p>Sliding wet grinding can remove leaf residue, lubricant films and other deposits that impair wheel-rail adhesion.<\/p>\n<\/div>\n<div><strong>Urban rail geometries<\/strong><\/p>\n<p>The system is intended for Vignole rail, grooved rail and rails embedded in road surfaces.<\/p>\n<\/div>\n<\/div>\n<p>Published deployments and manufacturer reports describe work with Wiener Linien, Odense Letbane and demonstrations in other European urban networks. Results depend on rail condition, grinding parameters, number of passes and the selected consumable.<\/p>\n<\/section>\n<section id=\"evidence\" class=\"rgw-section\"><span class=\"rgw-kicker\">Published test and deployment evidence<\/span><\/p>\n<h2>What performance results have been reported for ATMO?<\/h2>\n<p>Plasser &amp; Theurer has published results from development testing and customer applications. These figures show what specific configurations achieved; they are not guaranteed values for every rail condition or operating programme.<\/p>\n<div class=\"rgw-spec\">\n<div class=\"rgw-spec-row\"><span>Measure<\/span><span>Published result<\/span><span>Context<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Processing speed<\/b><span>0 to more than 30 km\/h<\/span><span>Oscillating mode can work from standstill; upper range depends on the task<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Average material removal<\/b><span>Approx. 0.011 mm per pass<\/span><span>Wiener Linien functional testing; configuration and rail condition specific<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Reported noise reduction<\/b><span>Up to 8 dB<\/span><span>Train-type-dependent result reported from Wiener Linien testing<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding-block arrangement<\/b><span>Two units per rail, two blocks per unit<\/span><span>Published block-grinding configuration; verify current build<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Water capacity<\/b><span>2,600 litres<\/span><span>Published configuration for wet grinding and spark suppression<\/span><\/div>\n<\/div>\n<p class=\"rgw-note\"><strong>How to interpret the numbers:<\/strong> removal, roughness improvement and noise response depend on rail hardness, contamination, defect wavelength, vertical force, oscillation settings, working speed and number of passes.<\/p>\n<\/section>\n<section id=\"gallery\" class=\"rgw-section\"><span class=\"rgw-kicker\">Manufacturer images<\/span><\/p>\n<h2>Plasser ATMO gallery<\/h2>\n<div class=\"rgw-gallery\"><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/plasser-atmo-main.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/plasser-atmo-main.jpg\" alt=\"Plasser ATMO urban rail grinding trailer\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 900px; --smush-placeholder-aspect-ratio: 900\/600;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/plasser-atmo-operation.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/plasser-atmo-operation.jpg\" alt=\"Plasser ATMO trailer performing urban rail grinding\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/360;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/plasser-atmo-urban-grinding.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/09\/plasser-atmo-urban-grinding.jpg\" alt=\"Plasser ATMO oscillating rail grinding equipment\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/360;\"><\/a><\/div>\n<\/section>\n<section id=\"specifications\" class=\"rgw-section\"><span class=\"rgw-kicker\">Verified public information<\/span><\/p>\n<h2>Plasser ATMO technical data<\/h2>\n<div class=\"rgw-spec\">\n<div class=\"rgw-spec-row\"><span>Item<\/span><span>Published information<\/span><span>Source qualification<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Machine configuration<\/b><span>Towed or pushed grinding trailer<\/span><span>Suitable rail or road-rail traction vehicle required<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Primary application<\/b><span>Acoustic and preventive rail grinding<\/span><span>Urban tram and light-rail networks<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Working action<\/b><span>Continuous<\/span><span>Official machine classification<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding methods<\/b><span>Oscillating and sliding grinding<\/span><span>Combined working unit<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Minimum working radius<\/b><span>17.5 m<\/span><span>Current manufacturer value<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Processing speed<\/b><span>0 to more than 30 km\/h<\/span><span>Oscillating mode can work from standstill; application dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Published water capacity<\/b><span>2,600 litres<\/span><span>Wet grinding and spark suppression<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Published grinding blocks<\/b><span>8 total<\/span><span>Two units per rail with two blocks per unit; verify current configuration<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Rail forms<\/b><span>Vignole, grooved and road-embedded rail<\/span><span>Manufacturer-listed applications<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Spark control<\/b><span>No flying sparks through stone rinsing<\/span><span>Wet-grinding process<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Operator position<\/b><span>No staff required on trailer<\/span><span>Controlled from the towing consist<\/span><\/div>\n<\/div>\n<p class=\"rgw-note\">The current public product page places the detailed machine datasheet behind a contact form. Values not openly confirmed by the manufacturer are intentionally omitted here.<\/p>\n<\/section>\n<section class=\"rgw-section\"><span class=\"rgw-kicker\">Operational value<\/span><\/p>\n<h2>Why use ATMO in an urban network?<\/h2>\n<div class=\"rgw-process\">\n<div><strong>Works with regular operations<\/strong><\/p>\n<p>The compact trailer can be integrated into suitable train formations and used without an additional line closure where local operating rules permit.<\/p>\n<\/div>\n<div><strong>Handles constrained geometry<\/strong><\/p>\n<p>Tight curves, narrow clearances, grooved rail and embedded track are central design conditions rather than secondary applications.<\/p>\n<\/div>\n<div><strong>Targets noise at the rail<\/strong><\/p>\n<p>Acoustic grinding treats the rail surface that excites wheel-rail noise, supporting quieter vehicle passage.<\/p>\n<\/div>\n<div><strong>Supports stop-and-go work<\/strong><\/p>\n<p>No minimum grinding speed enables treatment through operational speed changes and constrained urban sections.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"rgw-section\"><span class=\"rgw-kicker\">Technology comparison<\/span><\/p>\n<h2>How is ATMO different from a conventional rail grinding train?<\/h2>\n<div class=\"rgw-spec\">\n<div class=\"rgw-spec-row\"><span>Selection point<\/span><span>Plasser ATMO<\/span><span>Conventional production grinder<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Vehicle concept<\/b><span>Compact pushed or towed trailer<\/span><span>Usually self-contained rail vehicle or multi-vehicle consist<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Primary environment<\/b><span>Urban tram and light-rail networks<\/span><span>Mainline, heavy-haul or larger transit systems<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding action<\/b><span>Oscillating and sliding block grinding<\/span><span>Powered rotating abrasive stones<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Typical objective<\/b><span>Acoustic treatment, contamination removal and preventive surface care<\/span><span>Profile correction and broader defect-removal programmes<\/span><\/div>\n<\/div>\n<p class=\"rgw-note\">This comparison describes machine classes, not a universal capability limit. Project planning should be based on measured rail condition, removal target and operator-approved treatment parameters.<\/p>\n<\/section>\n<section id=\"limitations\" class=\"rgw-section\"><span class=\"rgw-kicker\">Evidence and compatibility boundary<\/span><\/p>\n<h2>What remains configuration-specific?<\/h2>\n<p>The machine page and public project reports describe the process and operating concept, but do not provide a public, universal grinding-stone specification. Stone geometry, abrasive formulation, mounting, approved speed and treatment parameters may vary by machine configuration and contract.<\/p>\n<p class=\"rgw-note\"><strong>No grinding-wheel claim is made on this page.<\/strong> A consumable reference should be added only after the installed ATMO grinding-unit drawing, stone marking and Plasser &amp; Theurer approval documentation are available.<\/p>\n<\/section>\n<section id=\"faq\" class=\"rgw-section rgw-faq\"><span class=\"rgw-kicker\">Technical questions<\/span><\/p>\n<h2>Plasser ATMO FAQ<\/h2>\n<details>\n<summary>What does ATMO stand for?<\/summary>\n<p>ATMO stands for Automatic Track Machine Oscillator.<\/p>\n<\/details>\n<details>\n<summary>Is the ATMO self-propelled?<\/summary>\n<p>It is presented as a grinding trailer that is pushed or pulled by a suitable rail vehicle or road-rail vehicle.<\/p>\n<\/details>\n<details>\n<summary>Which grinding methods does it use?<\/summary>\n<p>It combines oscillating grinding and sliding grinding in one working unit.<\/p>\n<\/details>\n<details>\n<summary>What is the minimum working curve radius?<\/summary>\n<p>The current Plasser &amp; Theurer product page specifies 17.5 m in working mode.<\/p>\n<\/details>\n<details>\n<summary>Which rail types can ATMO treat?<\/summary>\n<p>The manufacturer lists Vignole rail, grooved rail and rail embedded in road surfaces.<\/p>\n<\/details>\n<details>\n<summary>Can ATMO work at low speed?<\/summary>\n<p>Yes. Plasser &amp; Theurer states that preventive treatment can be performed at different speeds without a minimum processing speed.<\/p>\n<\/details>\n<details>\n<summary>Why does the process use water?<\/summary>\n<p>Grinding-stone rinsing supports wet grinding and prevents flying sparks, reducing fire risk.<\/p>\n<\/details>\n<details>\n<summary>Which grinding stone fits the ATMO?<\/summary>\n<p>A universal public stone specification has not been verified. Confirm the machine configuration, stone marking, dimensions, mounting and approved documentation before selection.<\/p>\n<\/details>\n<\/section>\n<section class=\"rgw-references\">\n<h2>Sources and review notes<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.plassertheurer.com\/en\/machine\/mobile-rail-rectification\/rail-grinding-machines\/plasser-atmo\">Plasser &amp; Theurer &#8211; Plasser ATMO<\/a>, current official product page.<\/li>\n<li>Plasser &amp; Theurer, <em>Plasser ATMO &#8211; Acoustic and preventive grinding<\/em>, InnoTrans 2022 brochure.<\/li>\n<li><a href=\"https:\/\/aktuell.plassertheurer.com\/en\/aktuell137\/quiet-rails-thanks-to-atmo-1\">Quiet rails thanks to ATMO<\/a>, manufacturer technical article.<\/li>\n<li><a href=\"https:\/\/www.plassertheurer.com\/en\/pt-research\/artikel\/research-developments-for-the-urban-rail\">Research developments for urban rail<\/a>, ATMO development background.<\/li>\n<\/ol>\n<p>Editorial review: 17 September 2026. Current manufacturer values take precedence over earlier prototype figures. No grinding-stone compatibility is claimed.<\/p>\n<\/section>\n<\/article>\n<aside class=\"rgw-aside\">\n<div class=\"rgw-info\">\n<div class=\"rgw-info-head\"><strong>PLASSER ATMO<\/strong><\/div>\n<dl>\n<div>\n<dt>Manufacturer<\/dt>\n<dd>Plasser &amp; Theurer<\/dd>\n<\/div>\n<div>\n<dt>Type<\/dt>\n<dd>Rail grinding trailer<\/dd>\n<\/div>\n<div>\n<dt>Network<\/dt>\n<dd>Tram \/ light rail<\/dd>\n<\/div>\n<div>\n<dt>Method<\/dt>\n<dd>Oscillating + sliding<\/dd>\n<\/div>\n<div>\n<dt>Working radius<\/dt>\n<dd>17.5 m minimum<\/dd>\n<\/div>\n<div>\n<dt>Traction<\/dt>\n<dd>Towed or pushed<\/dd>\n<\/div>\n<\/dl>\n<p><a class=\"rgw-official\" href=\"https:\/\/www.plassertheurer.com\/en\/machine\/mobile-rail-rectification\/rail-grinding-machines\/plasser-atmo\">Official manufacturer page \u2192<\/a><\/div>\n<div class=\"rgw-rfq\"><span class=\"rgw-kicker\">Technical identification<\/span><\/p>\n<h3>Have an ATMO stone to identify?<\/h3>\n<p>Send the installed stone marking, dimensions, mounting photographs and machine documentation. Compatibility cannot be inferred from the model name alone.<\/p>\n<p><a class=\"rgw-btn\" href=\"https:\/\/www.railgrindingwheel.com\/contactus\/\">Send technical details \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 references<\/span><\/p>\n<h2>Continue exploring<\/h2>\n<div class=\"rgw-related-grid\"><a href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/vossloh-hsg-city\/\"><small>Urban grinding model<\/small><strong>Vossloh HSG-city<\/strong><span>Compare another preventive urban rail system.<\/span><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/blog\/rail-track-grinding-standards-and-practical-techniques\/\"><small>Technical guide<\/small><strong>Rail grinding standards<\/strong><span>Review maintenance objectives and practice.<\/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 complete model index.<\/span><\/a><\/div>\n<\/div>\n<\/section>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"headline\":\"Plasser & Theurer ATMO Rail Grinding Trailer\",\"description\":\"Technical guide to the Plasser ATMO urban rail grinding trailer, including oscillating and sliding grinding, 17.5 m working radius, published 0\u201330+ km\/h operation and field-test evidence.\",\"dateModified\":\"2026-09-17\",\"mainEntityOfPage\":\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/plasser-atmo\/\",\"about\":{\"@id\":\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/plasser-atmo\/#vehicle\"}},{\"@type\":\"Vehicle\",\"@id\":\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/plasser-atmo\/#vehicle\",\"name\":\"Plasser ATMO\",\"alternateName\":[\"Automatic Track Machine Oscillator\",\"ATMO rail grinding trailer\"],\"sameAs\":\"https:\/\/www.plassertheurer.com\/en\/machine\/mobile-rail-rectification\/rail-grinding-machines\/plasser-atmo\",\"manufacturer\":{\"@type\":\"Organization\",\"name\":\"Plasser & Theurer\"},\"vehicleConfiguration\":\"Pushed or towed urban rail grinding trailer\",\"description\":\"A compact grinding trailer combining oscillating and sliding block grinding for tram and light-rail networks.\"},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does ATMO stand for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ATMO stands for Automatic Track Machine Oscillator.\"}},{\"@type\":\"Question\",\"name\":\"Is the ATMO self-propelled?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is presented as a grinding trailer that is pushed or pulled by a suitable rail vehicle or road-rail vehicle.\"}},{\"@type\":\"Question\",\"name\":\"Which grinding methods does ATMO use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It combines oscillating grinding and sliding grinding.\"}},{\"@type\":\"Question\",\"name\":\"What is the minimum working curve radius?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The current manufacturer page specifies 17.5 m in working mode.\"}},{\"@type\":\"Question\",\"name\":\"Which rail types can ATMO treat?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The manufacturer lists Vignole rail, grooved rail and rail embedded in road surfaces.\"}},{\"@type\":\"Question\",\"name\":\"Can ATMO work at low speed?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Published information describes operation from standstill in oscillating mode to more than 30 km\/h, depending on the task.\"}},{\"@type\":\"Question\",\"name\":\"Why does the process use water?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Grinding-block rinsing supports wet grinding and prevents flying sparks, reducing fire risk.\"}},{\"@type\":\"Question\",\"name\":\"Which grinding stone fits the ATMO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A universal public stone specification has not been verified; machine-specific markings and approval documentation are required.\"}}]}]}<\/script><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Grinding Trains Library \/ Plasser &amp; Theurer \/ ATMO PLASSER &amp; THEURER \u00b7 URBAN RAIL GRINDING Plasser &amp; Theurer ATMO Rail Grinding Trailer The Plasser ATMO is a compact rail grinding trailer for acoustic and preventive maintenance on tram and light-rail networks. It combines oscillating and sliding grinding, works in curves down to 17.5 m [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":6015,"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":"default","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-6018","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) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Plasser &amp; 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