--- title: HG+ url: "https://www.wittenstein-group.com/en-uk/product/hg" date: 2026-02-16 modified: 2026-02-24 lastUpdated: 2026-04-13 --- # HG+ alpha Advanced Line Hypoid gearbox The representatives of the wide range of hypoid gearboxes with a hollow shaft on one or both sides. With the HG+, low torsional backlash and high torsional rigidity ensure the positioning accuracy of the drives and therefore the precision of the machine – even in highly dynamic operation. See CAD data and configure product Downloads ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/0/a/csm_HG-PLUS-IMAGE_14d738b774.webp) ### 3 – 100 Ratio ### 20 – 768 Nm Max. torque ### ≤ 4 arcmin Backlash [ Technical details ](#tech-details) [ Further information ](#further-info) [ Related products ](#related) [ Request consultation ](#consultation) ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/4-compact.svg) ###### Compactness The axially short, right-angled design enables even more compact machine concepts ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/21-1-hollowShaft.svg) ###### Hollow shaft A hollow shaft enables maximum flexibility in machine design ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/29-2-smoothRunning.svg) ###### Consistently smooth running Constant backlash and low operating noise over the entire gearbox service life - Configure product - Technical data - Available options - Downloads | Product type | | HG+ | |---|---|---| | Design | | MF | | Ratio | | 3 – 100 | | Number of sizes | | 5 | | Max. backlash c) | jt | ≤ 4 arcmin | | Max. torque | T2α | 20 – 768 Nm | | Max. input speed | n1Max | 7500 rpm | | Torsional rigidity | Ct21 | 91 Nm/arcmin | | Max. tilting moment | M2KMax | 3213 Nm | | c) In relation to reference sizes | | **Output shape** | | |---|---| | Hollow shaft interface | ✓ | | Output on both sides | ✓ | | **Input shape** | | | Motor-mounted | ✓ | | **Characteristic** | | | ATEX (2014/34/EU) a) | ✓ | | Food-grade lubrication a) b) | ✓ | | Corrosion-resistant a) b) | ✓ | | **Accessory** (for more information, see the relevant product pages) | | | Shrink Disk | ✓ | | a) Performance reduction: Technical data available on request b) Please contact WITTENSTEIN alpha | | Document name | Document type | Language | Downloads | |---|---|---|---| | ![SP+, TP+, HG+, SK+, SPK+, TK+, TPK+, SC+, SPC+, TPC+, VH+, VS+, VT+, DP+, HDP+](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-ADVANCED-LINE-EN_20250910_093457382-92d70bbfc5b5.webp "alpha Advanced Line") alpha Advanced Line SP+, TP+, HG+, SK+, SPK+, TK+, TPK+, SC+, SPC+, TPC+, VH+, VS+, VT+, DP+, HDP+ | Brochure /Catalog | English | [ Download (25 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=939&dl=1&st=1&lg=2&token=9f68f0ad0a036f20f5492a56076f521f0e1c6a72)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=939&st=1&lg=2&token=bdd7003daa9335e42e0f11af624a8d838a121b71) | | ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-ADVANCED-LINE-HG-EN-792d0c42e578.webp "Technical data / Dimension sheets HG+") Technical data / Dimension sheets HG+ | Brochure /Catalog | English | [ Download (1 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=943&dl=1&st=1&lg=2&token=785c6c1a37aea53325b21cac9d4681c523d06267)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=943&st=1&lg=2&token=70bb141418ddc2d5e3a0a52eb35aa12d2b09af66) | | ![Technical documents SK+ / SPK+ / SC+ / SPC+ / HG+](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-SP-SK-SPK-SC-SPC-HG-EN-995f27550bc8.webp "alpha Advanced Line") alpha Advanced Line Technical documents SK+ / SPK+ / SC+ / SPC+ / HG+ | Operating manual | English | [ Download (3 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1113&dl=1&st=1&lg=2&token=78a45680c1b3990a081f20a238ca9966a89193eb)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1113&st=1&lg=2&token=aa6d45f62d1ccceb3640d19d9fa4e61eeb4049a2) | | ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/INFORMATION-SEALING-PLATE-EN-fef33f8cab9d.webp "Sealing Plate") Sealing Plate | Operating manual | English | [ Download (121 B) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1038&dl=1&st=1&lg=2&token=562b41e29aab7ee34e6d4f2747e36dc606db869f)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1038&st=1&lg=2&token=48e7fcd3016c09976cf2559ef2cd239263cd33d1) | | ![Instruction sheet Shrink disc](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/INFORMATION-SHRINK-DISC-EN-e9f0806a74c2.webp "Shrink disc") Shrink disc Instruction sheet Shrink disc | Operating manual | English | [ Download (773 B) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1040&dl=1&st=1&lg=2&token=6fd5633ddb0b82cc4a3db2576c1979714a3ca826)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1040&st=1&lg=2&token=45cd31fe7b98d8a8b4c2381ad351e8c1c6301406) | | ![Operating Manual HG+ ATEX](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-HG-PLUS-ATEX-EN_20250904_113300125-059f3213bae4.webp "alpha Advanced Line") alpha Advanced Line Operating Manual HG+ ATEX | Operating manual (ATEX) | English | [ Download (3 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1077&dl=1&st=1&lg=2&token=f60fa32c0b0b9aea9f8dc1963bc176e7cd9feefb)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1077&st=1&lg=2&token=66c88b78c4933fe5b6095051b47c751717c9ee3b) | | Ordering code / CAD data HG+ | CAD / CAE | English | [ Open in viewer ](https://cad-point.wittenstein-group.com/GearDetails/HG+) | ![](https://www.wittenstein-group.com/fileadmin/_processed_/9/c/csm_logo-sculpture_e38190faf6.webp) Contact us ------------ Would you like to learn more about our solutions? We would be happy to advise you—personally, competently, and tailored to your requirements. [info@wittenstein.co.uk](#) [ +44 1275 395-600 ](tel:+441275395-600) [ To the contact form ](https://www.wittenstein-group.com/en-uk/contact-locations/contact) ![](https://www.wittenstein-group.com/fileadmin/_processed_/c/5/csm_hg-plus-main-image_59fd797370.webp) Tapered roller bearings for the receptacle of axial and radial forces Variable output connection, also reverse High-quality hypoid gearing for increased torque and smooth running Hollow shaft for media feed-through or connection to the application Metal bellows coupling on the drive: Length compensation to protect the motor bearing ### Wide range of output options ### Corrosion-resistant design ### cynapse® & smart services ### Accessories ![](https://www.wittenstein-group.com/fileadmin/_processed_/6/3/csm_Hypoid_Abtriebsarten_tabmodul_b2cba36b34.webp) The diverse output options of hypoid gearboxes offer flexible options for application connection, from shafts to splined shafts to hollow shaft interfaces. ![](https://www.wittenstein-group.com/fileadmin/_processed_/7/0/csm_hg-plus-hohlwelle-stehend-hygiene_slider_ee5f125bb2.webp) alpha Advanced Line gearboxes with increased resistance and food-grade lubrication available. ![](https://www.wittenstein-group.com/fileadmin/_processed_/f/9/csm_cynapse-produkseite-element_slider_3783d47093.webp) With cynapse® and smart services, you can unleash the full potential of your drive system: sensor data is processed, visualized, and analyzed intelligently. Find out how the combination of gearboxes with cynapse® and our smart services can make your digital production faster, safer, and more efficient. [Read more](https://www.wittenstein-group.com/en-uk/products/software-and-digitalization/cynapse-smart-services) ![](https://www.wittenstein-group.com/fileadmin/_processed_/c/c/csm_shrink-disc_slider_f132e4099b.webp) Optimize your value chain: Use the combination of gearboxes and accesor||y in a complete package to streamline your internal processes. Find shrink discs for our products. [Read more](https://www.wittenstein-group.com/en-uk/product/shrink-discs) Related products ------------------ ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-AssetsPublic/TK-PLUS-IMAGE.PNG)##### [ TK+](https://www.wittenstein-group.com/en-uk/product/tk) alpha Advanced Line Ratio3 – 100Max. torque20 – 768 NmBacklash≤ 4 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/b/6/csm_SK-PLUS-IMAGE_9ca5eb9802.webp)##### [ SK+](https://www.wittenstein-group.com/en-uk/product/sk) alpha Advanced Line Ratio3 – 100Max. torque20 – 768 NmBacklash≤ 4 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/c/9/csm_VH-PLUS-IMAGE_520aa6a78e.webp)##### [ VH+](https://www.wittenstein-group.com/en-uk/product/vh) alpha Advanced Line Ratio4 – 400Max. torque74 – 1505 NmBacklash≤ 2 – 3 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/b/c/csm_RGK-IMAGE_f384f79805.webp)##### [ Galaxie® GH ](https://www.wittenstein-group.com/en-uk/product/galaxie-gh) Ratio72 – 240Max. torque1086 – 4050 NmBacklash0 arcmin