{"id":3286,"date":"2025-10-01T12:01:00","date_gmt":"2025-10-01T12:01:00","guid":{"rendered":"https:\/\/vdhmachinery.com\/projects\/successful-conversion-to-electric\/"},"modified":"2026-02-03T10:54:03","modified_gmt":"2026-02-03T10:54:03","slug":"successful-conversion-to-electric","status":"publish","type":"case","link":"https:\/\/vdhmachinery.com\/en\/projects\/successful-conversion-to-electric\/","title":{"rendered":"Successful conversion to electric"},"content":{"rendered":"\n\n<p>We recently completed a special retrofit project for our client <a href=\"http:\/\/heicoop.nl\/\" target=\"_blank\" rel=\"noopener\"><strong>Heicoop<\/strong><\/a>. In collaboration with <a href=\"https:\/\/www.sdkengineering.nl\/\" target=\"_blank\" rel=\"noopener\"><strong>SDK Engineering<\/strong> <\/a>, we converted the Woltman 5021 foundation machine from a diesel engine to a fully electric drive, equipped with the advanced CHD400e unit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>From diesel to electric: a sustainable transformation<\/strong><\/h2>\n\n\n\n<p>During the project, the existing diesel engine of the foundation machine was replaced by an electric motor and battery pack. SDK Engineering designed and built the electrical system, including:<br\/>\u2022 A 267 kWh battery pack with expansion to 600 kWh<br\/>\u2022 High-voltage cabling and cooling motors<br\/>\u2022 Electrical components and chargers<br\/>\u2022 An advanced battery management system<br\/>\u2022 Specific software for the control <\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped splide wpcom-gallery wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><button type='button' class='close-btn'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 640 640\"><path fill=\"#ffffff\" d=\"M320 576C461.4 576 576 461.4 576 320C576 178.6 461.4 64 320 64C178.6 64 64 178.6 64 320C64 461.4 178.6 576 320 576zM231 231C240.4 221.6 255.6 221.6 264.9 231L319.9 286L374.9 231C384.3 221.6 399.5 221.6 408.8 231C418.1 240.4 418.2 255.6 408.8 264.9L353.8 319.9L408.8 374.9C418.2 384.3 418.2 399.5 408.8 408.8C399.4 418.1 384.2 418.2 374.9 408.8L319.9 353.8L264.9 408.8C255.5 418.2 240.3 418.2 231 408.8C221.7 399.4 221.6 384.2 231 374.9L286 319.9L231 264.9C221.6 255.5 221.6 240.3 231 231z\"\/><\/svg><\/button><div class='splide__track'><div class='splide__list'> \n<figure class=\"wp-block-image splide__slide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"1508\" src=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2426-scaled-1-1024x683.jpg\" alt=\"Woltman 5021 inside\" class=\"wp-image-1508\" srcset=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2426-scaled-1-1024x683.jpg 1024w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2426-scaled-1-300x200.jpg 300w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2426-scaled-1-768x512.jpg 768w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2426-scaled-1-1536x1025.jpg 1536w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2426-scaled-1.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image splide__slide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" data-id=\"1510\" src=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2453-scaled-1-683x1024.jpg\" alt=\"Woltman 5021 inside tubes\" class=\"wp-image-1510\" srcset=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2453-scaled-1-683x1024.jpg 683w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2453-scaled-1-200x300.jpg 200w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2453-scaled-1-768x1151.jpg 768w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2453-scaled-1-1025x1536.jpg 1025w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2453-scaled-1.jpg 1366w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image splide__slide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" data-id=\"1517\" src=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2788-scaled-1-683x1024.jpg\" alt=\"Woltman 5021 front\" class=\"wp-image-1517\" srcset=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2788-scaled-1-683x1024.jpg 683w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2788-scaled-1-200x300.jpg 200w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2788-scaled-1-768x1152.jpg 768w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2788-scaled-1-1024x1536.jpg 1024w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2788-scaled-1.jpg 1365w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image splide__slide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"1505\" src=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2957-scaled-1-1024x683.jpg\" alt=\"Woltman 5021 controls\" class=\"wp-image-1505\" srcset=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2957-scaled-1-1024x683.jpg 1024w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2957-scaled-1-300x200.jpg 300w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2957-scaled-1-768x512.jpg 768w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2957-scaled-1-1536x1024.jpg 1536w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A2957-scaled-1.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image splide__slide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"1514\" src=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A3145-scaled-1-1024x683.jpg\" alt=\"Woltman 5021 from below\" class=\"wp-image-1514\" srcset=\"https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A3145-scaled-1-1024x683.jpg 1024w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A3145-scaled-1-300x200.jpg 300w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A3145-scaled-1-768x512.jpg 768w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A3145-scaled-1-1536x1025.jpg 1536w, https:\/\/vdhmachinery.com\/wp-content\/uploads\/2025\/10\/2R8A3145-scaled-1.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Test phase and results<\/strong><\/h2>\n\n\n\n<p>After installation, the machine was subjected to extensive tests and inspections. All systems were optimized and the software was fully adapted to real-world conditions. The Woltman 5021 now functions as desired in <strong>either electric or plug-in hybrid mode<\/strong>. Thanks to this transformation, the machine is ready to be used emission-free on a variety of projects.   <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Advantages of the retrofit<\/strong><\/h2>\n\n\n\n<p>Electrification offers benefits not only for the environment, but also for usability:<br\/>\u2022 Emission-free operation: Ideal for sustainable construction projects.<br\/>\u2022 Flexibility: Suitable for both urban and remote locations without a power connection.<br\/>\u2022 Efficiency: The 400 kW (220 kW nominal) electric motor guarantees optimal performance.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Retrofit Woltman 5021 funderingsmachine\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/PIReIGXJpSA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n","protected":false},"featured_media":1515,"template":"","meta":{"vdh-section-opener":"<!-- wp:paragraph -->\n<p\/>\n<!-- \/wp:paragraph -->","vdh-section-content":"<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->","vdh-section-sidebar":"<!-- wp:paragraph -->\n<p\/>\n<!-- \/wp:paragraph -->","vdh-section-extra-information":"<!-- wp:paragraph -->\n<p\/>\n<!-- \/wp:paragraph -->","vdh-section-pre-footer-left":"<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">More information<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Our specialists are happy to help you find the right crane\u2014whether you're focused on performance, durability, or a specific application. We combine technical knowledge with practical experience and a down-to-earth approach.  Together, we'll find the solution that works best for your needs.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3,\"textColor\":\"primary-blue\"} -->\n<h3 class=\"wp-block-heading has-primary-blue-color has-text-color\">Are you interested or do you have a question?<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Leave your details and we will contact you as soon as possible.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:gravityforms\/form {\"formId\":\"1\",\"title\":false,\"description\":false,\"inputPrimaryColor\":\"#204ce5\"} \/-->","vdh-section-pre-footer-right":"<!-- wp:paragraph -->\n<p\/>\n<!-- \/wp:paragraph -->","downloadable_documents":[],"productId":[]},"class_list":["post-3286","case","type-case","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/vdhmachinery.com\/en\/wp-json\/wp\/v2\/case\/3286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vdhmachinery.com\/en\/wp-json\/wp\/v2\/case"}],"about":[{"href":"https:\/\/vdhmachinery.com\/en\/wp-json\/wp\/v2\/types\/case"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vdhmachinery.com\/en\/wp-json\/wp\/v2\/media\/1515"}],"wp:attachment":[{"href":"https:\/\/vdhmachinery.com\/en\/wp-json\/wp\/v2\/media?parent=3286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}