{"id":"deif-sdu-104-a4d3f26b7b","name":"SDU 104","manufacturer":"DEIF","category":"generator-auxiliaries","description":"DEIF SDU 104 marine engine shutdown unit: editable DWG outlines, dimensioned PDF views and a STEP housing model for cabinet layouts. The datasheet supplies mounting and size references.","equipment":["SDU 104"],"keywords":["SDU 104","","Unclassified electrical reference","controller","control-panel arrangement","control-equipment reference","sdu-104-2d-cad-drawing.dwg","sdu-104-2d-pdf.pdf","sdu-104-3d-step-file.stp","sdu-104-3d-pdf.pdf","4921240625"],"markets":["Global"],"marketNote":"Confirm the exact regional configuration against the selected manufacturer drawing.","kind":"product","partNumber":"SDU 104","sourceUrl":"https://www.deif.com/documentation/sdu-104/","officialEvidenceUrl":"https://www.deif.com/documentation/sdu-104/","sourcePublisher":"DEIF","formats":["DWG","PDF","STEP"],"availability":"request","accessNote":"Source-only. Open the manufacturer reference or request the drawing for your selected equipment.","checkedAt":"2026-11-04","files":[{"id":"4a225bf141451df4c9c0","name":"sdu-104-2d-cad-drawing.dwg","format":"DWG","purpose":"Manufacturer drawing reference sdu-104-2d-cad-drawing.dwg","url":"https://deif-cdn-umbraco.azureedge.net/media/cjqnmtzl/sdu-104-2d-cad-drawing.dwg?rnd=133625651248730000&v=9","availability":"direct","sha256":"4a225bf141451df4c9c06a668031484af3e3b30f9f3d131f65d29d90fdd8d7be","bytes":298265,"retrievedAt":"2026-11-04T00:40:55Z","filenameBasis":"source-url","revision":"","hosted":false,"redistribution":"restricted","validation":"signature-checked","documentNumber":"sdu-104-2d-cad-drawing.dwg","rightsReview":{"checkedAt":"2026-11-04","sources":["https://deif-cdn-umbraco.azureedge.net/media/cjqnmtzl/sdu-104-2d-cad-drawing.dwg?rnd=133625651248730000&v=9","https://www.deif.com/terms-of-use/"],"note":"The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution."}},{"id":"c3c7d43a887727725021","name":"sdu-104-2d-pdf.pdf","format":"PDF","purpose":"Manufacturer drawing reference sdu-104-2d-pdf.pdf","url":"https://deif-cdn-umbraco.azureedge.net/media/z5ekna4x/sdu-104-2d-pdf.pdf?rnd=133625652222370000&v=9","availability":"direct","sha256":"c3c7d43a887727725021c536506fbf85e3fa8ad9d18005050b9bd25a5e09f4e2","bytes":115443,"retrievedAt":"2026-11-04T00:40:57Z","filenameBasis":"source-url","revision":"","hosted":false,"redistribution":"restricted","validation":"signature-checked","documentNumber":"sdu-104-2d-pdf.pdf","rightsReview":{"checkedAt":"2026-11-04","sources":["https://deif-cdn-umbraco.azureedge.net/media/z5ekna4x/sdu-104-2d-pdf.pdf?rnd=133625652222370000&v=9","https://www.deif.com/terms-of-use/"],"note":"The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution."}},{"id":"1be61a77e14b035293ee","name":"sdu-104-3d-step-file.stp","format":"STEP","purpose":"Manufacturer drawing reference sdu-104-3d-step-file.stp","url":"https://deif-cdn-umbraco.azureedge.net/media/eyghgavr/sdu-104-3d-step-file.stp?rnd=133625649219700000&v=9","availability":"direct","sha256":"1be61a77e14b035293eed20b05a62a43b7c69c19d3f22628936ce6c66b9c26dd","bytes":6997243,"retrievedAt":"2026-11-04T01:50:35Z","filenameBasis":"source-url","revision":"","hosted":false,"redistribution":"restricted","validation":"signature-checked","documentNumber":"sdu-104-3d-step-file.stp","rightsReview":{"checkedAt":"2026-11-04","sources":["https://deif-cdn-umbraco.azureedge.net/media/eyghgavr/sdu-104-3d-step-file.stp?rnd=133625649219700000&v=9","https://www.deif.com/terms-of-use/"],"note":"The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution."}},{"id":"d9034feafef4054d8536","name":"sdu-104-3d-pdf.pdf","format":"PDF","purpose":"Manufacturer drawing reference sdu-104-3d-pdf.pdf","url":"https://deif-cdn-umbraco.azureedge.net/media/ebxndu4y/sdu-104-3d-pdf.pdf?rnd=133625646515700000&v=9","availability":"direct","sha256":"d9034feafef4054d853619eeb966899d24173fb003cf672ff4e43786d5d00927","bytes":675370,"retrievedAt":"2026-11-04T01:50:40Z","filenameBasis":"source-url","revision":"","hosted":false,"redistribution":"restricted","validation":"signature-checked","documentNumber":"sdu-104-3d-pdf.pdf","rightsReview":{"checkedAt":"2026-11-04","sources":["https://deif-cdn-umbraco.azureedge.net/media/ebxndu4y/sdu-104-3d-pdf.pdf?rnd=133625646515700000&v=9","https://www.deif.com/terms-of-use/"],"note":"The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution."}},{"id":"9855cc60d8b4e8b8e4b6","name":"sdu-104-data-sheet-4921240625-uk.pdf","format":"PDF","purpose":"Manufacturer drawing reference 4921240625","url":"https://deif-cdn-umbraco.azureedge.net/media/avqgbtql/sdu-104-data-sheet-4921240625-uk.pdf?rnd=134069040828770000&v=9","availability":"direct","sha256":"9855cc60d8b4e8b8e4b64ab4509514ebbcb623a16d6c6809aaffd72e3b6fd474","bytes":437697,"retrievedAt":"2026-11-04T01:53:55Z","filenameBasis":"source-url","revision":"G","hosted":false,"redistribution":"restricted","validation":"signature-checked","documentNumber":"4921240625","rightsReview":{"checkedAt":"2026-11-04","sources":["https://deif-cdn-umbraco.azureedge.net/media/avqgbtql/sdu-104-data-sheet-4921240625-uk.pdf?rnd=134069040828770000&v=9","https://www.deif.com/terms-of-use/"],"note":"The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution."}}],"fileClasses":["manufacturer DWG file","manufacturer PDF reference","manufacturer STEP file"],"configurationNote":"Manufacturer reference sdu-104-2d-cad-drawing.dwg; sdu-104-2d-pdf.pdf; sdu-104-3d-step-file.stp identifies this control-equipment reference.","technicalFacts":[{"label":"Manufacturer nominal dimensions","value":"156 mm length × 125 mm height × 59 mm depth; data sheet 4921240625G, page 16.","sourceUrl":"https://deif-cdn-umbraco.azureedge.net/media/avqgbtql/sdu-104-data-sheet-4921240625-uk.pdf?rnd=134069040828770000&v=9"},{"label":"Mounting and nominal weight","value":"DIN mounting; 0.79 kg.","sourceUrl":"https://deif-cdn-umbraco.azureedge.net/media/avqgbtql/sdu-104-data-sheet-4921240625-uk.pdf?rnd=134069040828770000&v=9"}],"drawingNumber":"sdu-104-2d-cad-drawing.dwg; sdu-104-2d-pdf.pdf; sdu-104-3d-step-file.stp","equipmentFacts":[{"label":"Equipment / resource","value":"SDU 104"},{"label":"Manufacturer","value":"DEIF"},{"label":"Resource type","value":"Product"},{"label":"Part number","value":"SDU 104"},{"label":"Manufacturer drawing","value":"sdu-104-2d-cad-drawing.dwg; sdu-104-2d-pdf.pdf; sdu-104-3d-step-file.stp"},{"label":"Manufacturer nominal dimensions","value":"156 mm length × 125 mm height × 59 mm depth; data sheet 4921240625G, page 16."},{"label":"Mounting and nominal weight","value":"DIN mounting; 0.79 kg."},{"label":"Listed file formats","value":"DWG, PDF, STEP"},{"label":"Listed files","value":"5"},{"label":"Available previews","value":"Manufacturer source / drawing request"},{"label":"Recorded revisions","value":"G"},{"label":"Source checked","value":"2026-11-04"},{"label":"Download access","value":"Use the official manufacturer source or request the exact drawing"}],"relatedReferences":[{"name":"Generator exhaust silencer","url":"https://eloragrid.ai/objects/ga-generator-exhaust-silencer"},{"name":"Generator day tank","url":"https://eloragrid.ai/objects/ga-generator-day-tank"}],"fileChoiceGuidance":["Choose sdu-104-2d-cad-drawing.dwg for editable housing views in your cabinet GA. Choose sdu-104-2d-pdf.pdf for the manufacturer outline: the marked spans are 156.0, 125.4 and 59.1. The matching datasheet expresses the nominal housing dimensions in millimetres. Choose sdu-104-3d-step-file.stp for the supplied housing and terminal geometry in a 3D cabinet layout. Use sdu-104-data-sheet-4921240625-uk.pdf, page 16, for nominal dimensions, DIN mounting and weight. The optional sdu-104-3d-pdf.pdf uses interactive PDF content. Choose STEP for the website model viewer, or use a compatible PDF application for that original."],"plainEnglish":{"title":"What the SDU 104 does","introduction":"DEIF SDU 104 marine engine shutdown unit: editable DWG outlines, dimensioned PDF views and a STEP housing model for cabinet layouts. The datasheet supplies mounting and size references.","example":"An engine-control cabinet can use this unit as an additional shutdown layer. Its drawing helps position the unit and its terminal sides on the mounting rail.","drawings":"Choose sdu-104-2d-cad-drawing.dwg for editable housing views in your cabinet GA. Choose sdu-104-2d-pdf.pdf for the manufacturer outline: the marked spans are 156.0, 125.4 and 59.1. The matching datasheet expresses the nominal housing dimensions in millimetres. Choose sdu-104-3d-step-file.stp for the supplied housing and terminal geometry in a 3D cabinet layout. Use sdu-104-data-sheet-4921240625-uk.pdf, page 16, for nominal dimensions, DIN mounting and weight. The optional sdu-104-3d-pdf.pdf uses interactive PDF content. Choose STEP for the website model viewer, or use a compatible PDF application for that original.","terms":[],"diagram":"flow","steps":["Identify SDU 104","Select the drawing or model","Check the mounting interface"],"caption":"Manufacturer reference sdu-104-2d-cad-drawing.dwg; sdu-104-2d-pdf.pdf; sdu-104-3d-step-file.stp identifies this control-equipment reference.","sources":[{"label":"DEIF source","url":"https://www.deif.com/documentation/sdu-104/"}],"questions":[{"question":"Why do the outline and datasheet dimensions differ slightly?","answer":"The one-sheet outline marks 156.0, 125.4 and 59.1. Data sheet 4921240625G lists rounded nominal dimensions of 156 × 125 × 59 mm. Keep the detailed drawing with your layout instead of replacing its annotations with rounded table values."}],"checklist":["Keep the detailed outline dimensions separate from the rounded datasheet values: the outline marks 125.4 and 59.1, while the nominal table states 125 mm and 59 mm.","This is a marine engine shutdown unit. Confirm the selected engine-controller arrangement against the SDU 104 documentation before specifying it.","Locate the terminal sides shown on the drawing so cabinet wiring can reach them. The outline is not a terminal-function or field-wiring diagram."]},"canonicalUrl":"https://eloragrid.ai/tools/cad-library/equipment/deif-sdu-104-a4d3f26b7b"}