{"id":4093,"date":"2026-05-08T03:51:56","date_gmt":"2026-05-08T03:51:56","guid":{"rendered":"https:\/\/www.railgrindingwheel.com\/?page_id=4093"},"modified":"2026-09-17T07:43:04","modified_gmt":"2026-09-17T07:43:04","slug":"autech-auf-vm-8000","status":"publish","type":"page","link":"https:\/\/www.railgrindingwheel.com\/de\/autech-auf-vm-8000\/","title":{"rendered":"AUTECH AT VM 8000"},"content":{"rendered":"<style>\n.rgw-atvm8000{--blue:#075ca8;--navy:#072a45;--pale:#f2f6f8;--line:#d4e0e7;--ink:#14344b;--muted:#5d7281;color:var(--ink);font-family:Montserrat,Arial,sans-serif}.rgw-atvm8000 *{box-sizing:border-box}.rgw-atvm8000 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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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}.rgw-video{position:relative;display:block;overflow:hidden;margin-top:18px;background:#0b2b43}.rgw-video img{display:block;width:100%;aspect-ratio:16\/9;object-fit:cover;filter:brightness(.68)}.rgw-video span{position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:16px;font-weight:800;text-align:center}.rgw-video span:before{display:grid;place-items:center;width:64px;height:64px;margin:0 auto 10px;border-radius:50%;background:#e84f2a;content:\"\u25b6\"}@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-atvm8000\">\n<div class=\"rgw-shell rgw-breadcrumb\"><a href=\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/\">Grinding Trains Library<\/a> \/ AUTECH \/ AT VM 8000<\/div>\n<section class=\"rgw-hero\">\n<div class=\"rgw-shell rgw-hero-grid\">\n<div>\n<div class=\"rgw-brand\">AUTECH \u00b7 ROAD-RAIL GRINDING<\/div>\n<h1>AUTECH AT VM 8000 Rail Grinder<\/h1>\n<p class=\"rgw-answer\">The AUTECH AT VM 8000 is a compact road-rail grinding vehicle for metro, tram and suburban networks. Available references include 8- and 12-stone configurations, a 20 m minimum grinding radius, road travel up to 45 km\/h and rapid road-to-rail deployment.<\/p>\n<p class=\"rgw-review\">Technical reference compiled from the existing model page and manufacturer-linked information<\/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\">View grinding wheel<\/a><\/div>\n<\/div>\n<figure class=\"rgw-hero-media\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/ScreenShot_2026-05-07_164351_909-1-scaled.jpg.webp\" alt=\"AUTECH AT VM 8000 road-rail grinding vehicle\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/720;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/ScreenShot_2026-05-07_164351_909-1-scaled.jpg&quot;}\"><figcaption>AUTECH AT VM 8000 compact road-rail grinder.<\/figcaption><\/figure>\n<\/div>\n<\/section>\n<div class=\"rgw-shell rgw-facts\">\n<div><small>Variants<\/small><strong>8 \/ 12 stones<\/strong><\/div>\n<div><small>Road speed<\/small><strong>Up to 45 km\/h<\/strong><\/div>\n<div><small>Grinding radius<\/small><strong>20 m minimum<\/strong><\/div>\n<div><small>Wheel reference<\/small><strong>120 \u00d7 110 \u00d7 M20L<\/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=\"#variants\">Variants<\/a><a href=\"#applications\">Applications<\/a><a href=\"#gallery\">Gallery<\/a><a href=\"#specifications\">Specifications<\/a><a href=\"#video\">Video<\/a><a href=\"#wheel-reference\">Grinding wheel<\/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 AUTECH AT VM 8000?<\/h2>\n<p>The AT VM 8000 combines a Viktor Meili road-rail chassis with a multi-stone grinding system for corrective and preventive treatment on tight-radius urban rail networks. Four-wheel steering and a compact body help it reach constrained work sites where large production grinders are unsuitable.<\/p>\n<p>Published references describe operation on Vignole (flat-bottom) and grooved rails, with automated stone positioning through the RML 9000 controller. Dust extraction, spark protection and optional water curtains support work in sensitive urban environments.<\/p>\n<p class=\"rgw-note\"><strong>Short answer:<\/strong> choose the AT VM 8000 for flexible road access, quick on-tracking and controlled grinding on tram, metro and suburban infrastructure\u2014including curves, switches and short possession windows.<\/p>\n<\/section>\n<section id=\"variants\" class=\"rgw-section\"><span class=\"rgw-kicker\">Machine configurations<\/span><\/p>\n<h2>AT VM 8000-8 and AT VM 8000-12E<\/h2>\n<div class=\"rgw-usecases\">\n<div><strong>AT VM 8000-8<\/strong><\/p>\n<p>Eight grinding stones, arranged as two pairs per rail side. This compact configuration is suited to targeted maintenance and constrained urban work.<\/p>\n<\/div>\n<div><strong>AT VM 8000-12E<\/strong><\/p>\n<p>Twelve grinding stones, arranged as three pairs per rail side. The additional stones support broader grinding patterns and higher treatment capacity.<\/p>\n<\/div>\n<\/div>\n<p>Exact equipment packages, emissions configuration and homologation depend on build year and operator specification. Confirm the machine serial number before using variant data for procurement.<\/p>\n<\/section>\n<section id=\"applications\" class=\"rgw-section\"><span class=\"rgw-kicker\">Typical maintenance work<\/span><\/p>\n<h2>What work can the AT VM 8000 perform?<\/h2>\n<div class=\"rgw-usecases\">\n<div><strong>Corrugation removal<\/strong><\/p>\n<p>Multi-stone passes reduce short-pitch rail corrugation and improve wheel-rail contact conditions.<\/p>\n<\/div>\n<div><strong>Preventive RCF treatment<\/strong><\/p>\n<p>Controlled metal removal can address early head checks before deeper rolling contact fatigue develops.<\/p>\n<\/div>\n<div><strong>Switch and turnout grinding<\/strong><\/p>\n<p>The compact road-rail platform and adjustable heads support work through suitable switch geometry.<\/p>\n<\/div>\n<div><strong>New-rail finishing<\/strong><\/p>\n<p>The machine can remove mill scale and blend suitable rail joints or local surface irregularities.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"gallery\" class=\"rgw-section\"><span class=\"rgw-kicker\">Machine photographs<\/span><\/p>\n<h2>AUTECH AT VM 8000 gallery<\/h2>\n<div class=\"rgw-gallery\">\n<a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/ScreenShot_2026-05-07_164351_909-1-scaled.jpg.webp\" data-smush-webp-fallback=\"{&quot;href&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/ScreenShot_2026-05-07_164351_909-1-scaled.jpg&quot;}\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/ScreenShot_2026-05-07_164351_909-1-scaled.jpg.webp\" alt=\"AUTECH AT VM 8000 rail grinder\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/720;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/ScreenShot_2026-05-07_164351_909-1-scaled.jpg&quot;}\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/neuentwicklung-2-wege-schienenfraese-at-vm-8000-m18-370825-scaled.jpg.webp\" data-smush-webp-fallback=\"{&quot;href&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/neuentwicklung-2-wege-schienenfraese-at-vm-8000-m18-370825-scaled.jpg&quot;}\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/neuentwicklung-2-wege-schienenfraese-at-vm-8000-m18-370825-scaled.jpg.webp\" alt=\"AUTECH AT VM 8000 road-rail machine\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/771;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/neuentwicklung-2-wege-schienenfraese-at-vm-8000-m18-370825-scaled.jpg&quot;}\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/negykerek_kormanyzas2-scaled.jpg.webp\" data-smush-webp-fallback=\"{&quot;href&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/negykerek_kormanyzas2-scaled.jpg&quot;}\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/negykerek_kormanyzas2-scaled.jpg.webp\" alt=\"AT VM 8000 four-wheel steering\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/742;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/negykerek_kormanyzas2-scaled.jpg&quot;}\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/05\/innotrans-2016-berlin-am-gemeinsamen-531543.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/05\/innotrans-2016-berlin-am-gemeinsamen-531543.jpg\" alt=\"AUTECH rail grinding vehicle at exhibition\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/668;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/hullamos_kopas_meres_a_railsurf_meromuszerrel1-scaled.jpg.webp\" data-smush-webp-fallback=\"{&quot;href&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/hullamos_kopas_meres_a_railsurf_meromuszerrel1-scaled.jpg&quot;}\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/hullamos_kopas_meres_a_railsurf_meromuszerrel1-scaled.jpg.webp\" alt=\"Rail surface measurement for AT VM 8000 grinding\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/721;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/hullamos_kopas_meres_a_railsurf_meromuszerrel1-scaled.jpg&quot;}\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/05\/csiszolomu_szikrafogo_lemez_nelkul1.png\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/05\/csiszolomu_szikrafogo_lemez_nelkul1.png\" alt=\"AT VM 8000 grinding unit\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 907px; --smush-placeholder-aspect-ratio: 907\/500;\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/Brusiace-vozidlo-Autech-AT-VM-8000-v-akcii-scaled.jpg.webp\" data-smush-webp-fallback=\"{&quot;href&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/Brusiace-vozidlo-Autech-AT-VM-8000-v-akcii-scaled.jpg&quot;}\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/Brusiace-vozidlo-Autech-AT-VM-8000-v-akcii-scaled.jpg.webp\" alt=\"AUTECH AT VM 8000 operating on track\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/707;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/Brusiace-vozidlo-Autech-AT-VM-8000-v-akcii-scaled.jpg&quot;}\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/az_at_vm_8000-12_e_tipusu_sincsiszolo_jarmu_a_bkv_zrt-scaled.jpg.webp\" data-smush-webp-fallback=\"{&quot;href&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/az_at_vm_8000-12_e_tipusu_sincsiszolo_jarmu_a_bkv_zrt-scaled.jpg&quot;}\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2026\/05\/az_at_vm_8000-12_e_tipusu_sincsiszolo_jarmu_a_bkv_zrt-scaled.jpg.webp\" alt=\"AUTECH AT VM 8000-12E rail grinder\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/810;\" data-smush-webp-fallback=\"{&quot;data-src&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/az_at_vm_8000-12_e_tipusu_sincsiszolo_jarmu_a_bkv_zrt-scaled.jpg&quot;}\"><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/05\/1668764849342.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2026\/05\/1668764849342.jpg\" alt=\"AUTECH AT VM 8000 machine detail\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 800px; --smush-placeholder-aspect-ratio: 800\/533;\"><\/a><\/div>\n<\/section>\n<section id=\"specifications\" class=\"rgw-section\"><span class=\"rgw-kicker\">Published machine data<\/span><\/p>\n<h2>AUTECH AT VM 8000 specifications<\/h2>\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>Grinding stones<\/b><span>8 or 12<\/span><span>Depends on VM 8000-8 or VM 8000-12E<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Minimum grinding radius<\/b><span>20 m<\/span><span>Published reference<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Road speed<\/b><span>Up to 45 km\/h<\/span><span>Road mode<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Road-to-rail transition<\/b><span>Approx. 1.5\u20135 min<\/span><span>Site and operator dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding angle<\/b><span>72\u00b0 gauge side to 55\u00b0 field side<\/span><span>Typical hydraulic adjustment range<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Maximum removal<\/b><span>Up to 0.2 mm\/pass<\/span><span>At about 250 track m\/h; condition dependent<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Engine<\/b><span>Mercedes-Benz OM 926LA<\/span><span>6-cylinder, approximately 322 HP<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Grinding control<\/b><span>RML 9000<\/span><span>Automated stone positioning reference<\/span><\/div>\n<div class=\"rgw-spec-row\"><b>Rail types<\/b><span>Vignole and grooved rails<\/span><span>Confirm rail profile and clearance<\/span><\/div>\n<\/div>\n<\/section>\n<section id=\"grinding-system\" class=\"rgw-section\"><span class=\"rgw-kicker\">Grinding and vehicle systems<\/span><\/p>\n<h2>How does the AT VM 8000 work?<\/h2>\n<div class=\"rgw-process\">\n<div><strong>Individually positioned stones<\/strong><\/p>\n<p>The controller positions grinding stones across the rail head to build the required treatment pattern.<\/p>\n<\/div>\n<div><strong>Hydraulic angle control<\/strong><\/p>\n<p>Grinding units cover the gauge corner, running surface and field side within the published angular envelope.<\/p>\n<\/div>\n<div><strong>Urban emission control<\/strong><\/p>\n<p>Dust extraction, spark shields and optional water curtains help manage debris and sparks near platforms and streets.<\/p>\n<\/div>\n<div><strong>Road-rail mobility<\/strong><\/p>\n<p>Four-wheel steering and rapid on-tracking allow the grinder to reach multiple work sites without a dedicated rail consist.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"video\" class=\"rgw-section\"><span class=\"rgw-kicker\">Machine video<\/span><\/p>\n<h2>AUTECH AT VM 8000 operating video<\/h2>\n<p>The original page video is retained as a visual reference. Individual machines may use different grinding-head, extraction and vehicle configurations.<\/p>\n<p><a class=\"rgw-video\" href=\"https:\/\/www.youtube.com\/watch?v=TBn28WDc0eE\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" data-src=\"https:\/\/img.youtube.com\/vi\/TBn28WDc0eE\/maxresdefault.jpg\" alt=\"AUTECH AT VM 8000 rail grinder video\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\"><span>Watch AT VM 8000 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>120 \u00d7 110 \u00d7 M20L rail grinding wheel<\/h2>\n<p>This is the specified wheel reference for the AUTECH AT VM 8000. The product designation uses 120 \u00d7 110 \u00d7 M20L, while the current product-page technical table lists 100 mm thickness; verify the installed wheel marking and approved drawing before ordering.<\/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\/uploads\/2026\/05\/120x110xM20L.jpg\" alt=\"120 x 110 x M20L rail grinding wheel for AUTECH AT VM 8000\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 808px; --smush-placeholder-aspect-ratio: 808\/1080;\"><\/figure>\n<div class=\"rgw-wheel-copy\">\n<dl class=\"rgw-wheel-specs\">\n<div>\n<dt>Product designation<\/dt>\n<dd>120 \u00d7 110 \u00d7 M20L<\/dd>\n<\/div>\n<div>\n<dt>Outside diameter<\/dt>\n<dd>120 mm<\/dd>\n<\/div>\n<div>\n<dt>Published table thickness<\/dt>\n<dd>100 mm<\/dd>\n<\/div>\n<div>\n<dt>Mounting<\/dt>\n<dd>M20L<\/dd>\n<\/div>\n<div>\n<dt>Published maximum RPM<\/dt>\n<dd>7,000 RPM<\/dd>\n<\/div>\n<div>\n<dt>Published peripheral speed<\/dt>\n<dd>50 m\/s<\/dd>\n<\/div>\n<\/dl>\n<p class=\"rgw-caution\"><strong>Dimensional check required:<\/strong> the product name indicates 110 mm, but the product-page technical table currently states 100 mm thickness. Do not select the wheel from the name alone. Confirm the wheel label, usable thickness, M20L thread direction and engagement, machine RPM and operator-approved drawing.<\/p>\n<div class=\"rgw-actions\"><a class=\"rgw-btn rgw-btn-primary\" href=\"https:\/\/www.railgrindingwheel.com\/rail-grinding-train-wheel\/120x110xm20l-2\/\">View 120 \u00d7 110 \u00d7 M20L wheel \u2192<\/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\">Ordering checklist<\/span><\/p>\n<h2>What should buyers confirm before ordering?<\/h2>\n<div class=\"rgw-checklist\">\n<div>01 \u00b7 AT VM 8000 variant and serial number<\/div>\n<div>02 \u00b7 Existing wheel marking and photographs<\/div>\n<div>03 \u00b7 110 mm vs 100 mm thickness confirmation<\/div>\n<div>04 \u00b7 M20L thread direction and engagement<\/div>\n<div>05 \u00b7 Machine RPM and approved peripheral speed<\/div>\n<div>06 \u00b7 Rail type, defect and removal objective<\/div>\n<\/div>\n<\/section>\n<section id=\"faq\" class=\"rgw-section rgw-faq\"><span class=\"rgw-kicker\">Technical questions<\/span><\/p>\n<h2>AUTECH AT VM 8000 FAQ<\/h2>\n<details>\n<summary>What is the AUTECH AT VM 8000?<\/summary>\n<p>It is a compact self-propelled road-rail grinder for metro, tram and suburban rail maintenance.<\/p>\n<\/details>\n<details>\n<summary>How many grinding stones does it use?<\/summary>\n<p>The VM 8000-8 has eight stones, while the VM 8000-12E reference has twelve.<\/p>\n<\/details>\n<details>\n<summary>What is its minimum grinding curve radius?<\/summary>\n<p>The published minimum grinding radius is 20 m, making the machine suitable for tight urban curves.<\/p>\n<\/details>\n<details>\n<summary>How fast can it travel on the road?<\/summary>\n<p>The published road speed is up to 45 km\/h.<\/p>\n<\/details>\n<details>\n<summary>Can it grind grooved tram rails?<\/summary>\n<p>Published references include both Vignole and grooved rails, subject to rail profile and clearance checks.<\/p>\n<\/details>\n<details>\n<summary>What grinding work can it perform?<\/summary>\n<p>Typical work includes corrugation removal, preventive RCF treatment, suitable switch grinding, new-rail de-scaling and local finishing.<\/p>\n<\/details>\n<details>\n<summary>Which grinding wheel fits the AT VM 8000?<\/summary>\n<p>The specified product reference is 120 \u00d7 110 \u00d7 M20L. Confirm the actual installed wheel because the linked product page currently lists 100 mm thickness in its technical table.<\/p>\n<\/details>\n<details>\n<summary>What must be checked before ordering the wheel?<\/summary>\n<p>Check the machine variant, wheel label, diameter and usable thickness, M20L thread direction and engagement, maximum RPM and approved drawing.<\/p>\n<\/details>\n<\/section>\n<section class=\"rgw-references\">\n<h2>Sources and review notes<\/h2>\n<ol>\n<li><a href=\"https:\/\/autech.ch\/produkte\/at-vm-8000\/?lang=en\">AUTECH AT VM 8000 manufacturer reference<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=TBn28WDc0eE\">AUTECH AT VM 8000 video reference<\/a>.<\/li>\n<li><a href=\"https:\/\/www.railgrindingwheel.com\/rail-grinding-train-wheel\/120x110xm20l-2\/\">120 \u00d7 110 \u00d7 M20L grinding wheel<\/a> \u2014 product specifications and enquiry page.<\/li>\n<\/ol>\n<p>Layout and compatibility review: 17 September 2026. Machine values remain configuration dependent; grinding-wheel dimensions require confirmation because the product name and published table differ.<\/p>\n<\/section>\n<\/article>\n<aside class=\"rgw-aside\">\n<div class=\"rgw-info\">\n<div class=\"rgw-info-head\"><strong>AUTECH AT VM 8000<\/strong><\/div>\n<dl>\n<div>\n<dt>Manufacturer<\/dt>\n<dd>AUTECH<\/dd>\n<\/div>\n<div>\n<dt>Machine type<\/dt>\n<dd>Road-rail grinder<\/dd>\n<\/div>\n<div>\n<dt>Variants<\/dt>\n<dd>8 \/ 12 stones<\/dd>\n<\/div>\n<div>\n<dt>Road speed<\/dt>\n<dd>Up to 45 km\/h<\/dd>\n<\/div>\n<div>\n<dt>Grinding radius<\/dt>\n<dd>20 m minimum<\/dd>\n<\/div>\n<div>\n<dt>Wheel<\/dt>\n<dd>120 \u00d7 110 \u00d7 M20L<\/dd>\n<\/div>\n<\/dl>\n<p><a class=\"rgw-official\" href=\"https:\/\/autech.ch\/produkte\/at-vm-8000\/?lang=en\">Official AUTECH page \u2192<\/a><\/div>\n<div class=\"rgw-rfq\"><span class=\"rgw-kicker\">Wheel identification<\/span><\/p>\n<h3>Need to identify an AT VM 8000 wheel?<\/h3>\n<p>Send the existing wheel marking, measured dimensions, M20L thread details, machine RPM, machine serial number and required quantity.<\/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\/railway-maintenance-equipment-types-and-functions\/\"><small>Equipment guide<\/small><strong>Railway maintenance equipment<\/strong><span>Compare maintenance-machine categories and functions.<\/span><\/a><a href=\"https:\/\/www.railgrindingwheel.com\/rail-grinding-train-wheel\/120x110xm20l-2\/\"><small>Grinding wheel<\/small><strong>120 \u00d7 110 \u00d7 M20L<\/strong><span>Review the referenced AT VM 8000 wheel.<\/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\":\"AUTECH AT VM 8000 Rail Grinder\",\"description\":\"Technical overview of the AUTECH AT VM 8000 compact road-rail grinder and its referenced 120 \u00d7 110 \u00d7 M20L grinding wheel.\",\"dateModified\":\"2026-09-17\",\"mainEntityOfPage\":\"https:\/\/www.railgrindingwheel.com\/railgrinderlibrary\/autech-at-vm-8000\/\"},{\"@type\":\"Vehicle\",\"name\":\"AUTECH AT VM 8000\",\"manufacturer\":{\"@type\":\"Organization\",\"name\":\"AUTECH\"},\"vehicleConfiguration\":\"Compact road-rail grinding vehicle with 8- or 12-stone configurations\",\"description\":\"Road-rail grinding vehicle for urban, metro, tram and suburban rail maintenance.\"},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the AUTECH AT VM 8000?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A compact self-propelled road-rail grinder for metro, tram and suburban rail maintenance.\"}},{\"@type\":\"Question\",\"name\":\"How many grinding stones does it use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Published variants use eight or twelve grinding stones.\"}},{\"@type\":\"Question\",\"name\":\"What is its minimum grinding curve radius?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The published minimum grinding radius is 20 m.\"}},{\"@type\":\"Question\",\"name\":\"Which grinding wheel fits the AT VM 8000?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The specified product reference is 120 \u00d7 110 \u00d7 M20L; the installed wheel marking and dimensions must be confirmed because the current product table lists 100 mm thickness.\"}}]}]}<\/script><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Grinding Trains Library \/ AUTECH \/ AT VM 8000 AUTECH \u00b7 ROAD-RAIL GRINDING AUTECH AT VM 8000 Rail Grinder The AUTECH AT VM 8000 is a compact road-rail grinding vehicle for metro, tram and suburban networks. Available references include 8- and 12-stone configurations, a 20 m minimum grinding radius, road travel up to 45 km\/h [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4104,"parent":0,"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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