--- title: HG+ url: "https://www.wittenstein-group.com/en-us/product/hg" date: 2026-02-12 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-US-6cf47bafeb3e.webp "Catalog alpha Advanced Line") Catalog alpha Advanced Line SP+, TP+, HG+, SK+, SPK+, TK+, TPK+, SC+, SPC+, TPC+, VH+, VS+, VT+, DP+, HDP+ | Brochure /Catalog | American English | [ Download (23 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4054&dl=1&st=1739&lg=0&token=c145ac5d2a8e69c6c7af0fa888c46994abcec8af)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4054&st=1739&lg=0&token=df51b1fd7b683172521b6ce48832020f7a70c176) | | ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-ADVANCED-LINE-HG-e6d871e19ba1.webp "Technical data / Dimension sheets HG+") Technical data / Dimension sheets HG+ | Brochure /Catalog | Neutral | [ Download (1 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3240&dl=1&st=1739&lg=0&token=0e856155dccaa53b420bd2047aae3a3b3e7daeb2)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3240&st=1739&lg=0&token=b967e41aeb8c154bcef7a71126f4740f5ce9e65f) | | ![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-ee7c654d1ca1.webp "alpha Advanced Line") alpha Advanced Line Technical documents SK+ / SPK+ / SC+ / SPC+ / HG+ | Operating manual | Neutral | [ Download (3 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3329&dl=1&st=1739&lg=0&token=dfd32b974290009b3f1d9ced50e87e526aff5cd2)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3329&st=1739&lg=0&token=1889ff2810695fd4359af769b3250879cd990573) | | ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/INFORMATION-SEALING-PLATE-190dba672cbe.webp "Sealing Plate") Sealing Plate | Operating manual | Neutral | [ Download (121 B) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3293&dl=1&st=1739&lg=0&token=c3d69de968cae2150db287914e6e8f2b6fe59b02)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3293&st=1739&lg=0&token=94da936c558ddf2b56f754082763bd13e3759ab7) | | ![Instruction sheet Shrink disc](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/INFORMATION-SHRINK-DISC-66c8b5c5bb58.webp "Shrink disc") Shrink disc Instruction sheet Shrink disc | Operating manual | Neutral | [ Download (773 B) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3294&dl=1&st=1739&lg=0&token=3872098efd6a39566a23ddb2c6f1c36c44f6b42d)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3294&st=1739&lg=0&token=ac5c669c6354873f103deed402f24d63840c8070) | | ![Operating Manual HG+ ATEX](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-HG-PLUS-ATEX_20250904_113300125-6d8a2bd36182.webp "alpha Advanced Line") alpha Advanced Line Operating Manual HG+ ATEX | Operating manual (ATEX) | Neutral | [ Download (3 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3311&dl=1&st=1739&lg=0&token=8f7bb2a2a4c8271cdbb72d8b03fdc105b39509f7)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3311&st=1739&lg=0&token=3d0e952e8406138ffa373a2fe95e77ff95691985) | | Ordering code / CAD data HG+ | CAD / CAE | Neutral | [ 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-us.com](#) [ 1 630 540-5300 ](tel:16305405300) [ To the contact form ](https://www.wittenstein-group.com/en-us/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/int-en/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-us/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-us/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-us/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-us/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-us/product/galaxie-gh) Ratio72 – 240Max. torque1086 – 4050 NmBacklash0 arcmin