--- title: XPK+ url: "https://www.wittenstein-group.com/en-us/product/xpk" date: 2026-02-12 modified: 2026-02-24 lastUpdated: 2026-04-13 --- # XPK+ alpha Premium Line Hypoid gearbox The XPK+ hypoid gearbox impresses with its wide range of gear ratios, high axial and radial forces and high torsional rigidity. It offers the highest performance in the smallest installation space. See CAD data and configure product Downloads ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/f/f/csm_XPK-PLUS-IMAGE_47df853368.webp) ### 12 – 1000 Ratio ### 80 – 2520 Nm Max. torque ### ≤ 2 – 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/8-4-productivity.svg) ###### Productivity Highest torque density and rigidity shorten your cycle time ![](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/32-quality.svg) ###### Process quality Consistently low torsional backlash over the entire gearbox service life and high torsional rigidity enable maximum positioning accuracy - Configure product - Technical data - Available options - Downloads | Product type | | XPK+ | |---|---|---| | Design | | MF | | Ratio | | 12 – 1000 | | Number of sizes | | 4 | | Max. backlash c) | jt | ≤ 2 – 4 arcmin | | Max. torque | T2α | 80 – 2520 Nm | | Max. input speed | n1Max | 7500 rpm | | Torsional rigidity | Ct21 | 226 Nm/arcmin | | Max. tilting moment | M2KMax | 3256 Nm | | c) In relation to reference sizes | | **Output shape** | | |---|---| | Smooth shaft | ✓ | | Shaft with key d) | ✓ | | Splined shaft (DIN 5480) | ✓ | | Blind hollow shaft | ✓ | | System output | ✓ | | **Input shape** | | | Motor-mounted | ✓ | | **Characteristic** | | | Flange with slotted holes | ✓ | | Food-grade lubrication a) b) | ✓ | | **System solutions** | | | Linear system (rack / pinion) | ✓ | | **Accessory** (for more information, see the relevant product pages) | | | Coupling | ✓ | | Shrink Disk | ✓ | | a) Performance reduction: Technical data available on request b) Please contact WITTENSTEIN alpha d) Performance reduction: For detailed sizing, please use our [cymex®](https://stage.wittenstein-group.com/de-de/produkt/cymex-5) design software | | Document name | Document type | Language | Downloads | |---|---|---|---| | ![XP+, RP+,XPK+, RPK+, XPC+, RPC](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-PREMIUM-LINE-US-2e9b04d7f375.webp "Catalog alpha Premium Line") Catalog alpha Premium Line XP+, RP+,XPK+, RPK+, XPC+, RPC | Brochure /Catalog | American English | [ Download (17 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4155&dl=1&st=1739&lg=0&token=662f3d8e42d10821c2fd8cdfd3790573e69ddbb8)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4155&st=1739&lg=0&token=1f90328dec5d3e979f4e3a04de1d1ffc992eec5a) | | ![XPK+, RPK+](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-PREMIUM-LINE-XPK-RPK-US-2e563524948c.webp "Technical data / Dimension sheets XPK+ / RPK+") Technical data / Dimension sheets XPK+ / RPK+ XPK+, RPK+ | Brochure /Catalog | American English | [ Download (1 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4175&dl=1&st=1739&lg=0&token=c215582d504f091c94aaacfacd7a80df8cf705bd)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4175&st=1739&lg=0&token=5c95930f11c632f26aa04db39541b35da2669668) | | ![Technical documents XP+ / XPC+ / XPK+](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-XP-XPC-XPK-fa61fed07ccf.webp "alpha Premium Line") alpha Premium Line Technical documents XP+ / XPC+ / XPK+ | Operating manual | Neutral | [ Download (3 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3338&dl=1&st=1739&lg=0&token=b35c6de243abb34d1ffbffb0213672ba42260b49)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3338&st=1739&lg=0&token=d02fe8ce134fe25f8024c5aabce71a4909e227d8) | | ![](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) | | Ordering code / CAD data XPK+ | CAD / CAE | Neutral | [ Open in viewer ](https://cad-point.wittenstein-group.com/DetailsPremium/XPK+) | ![](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_epim_fs/4/d/csm_XPK-PLUS-IMAGE_a7bb208553.webp) Highest toothing quality results in minimal torsional backlash and maximum torque density Specially designed output for very high torque transmission, enables receptacle for high tilting moments Multiple output options Optionally available with R-flange Use of a metal bellows coupling for thermal length compensation and protection of the motor bearing High-quality hypoid stage with gear ratios of i = 3 - 10 in the angular stage ### The R-flange sets the standard ### Premium Linear System with XPK+ ### cynapse® & smart services ### Accessory ![](https://www.wittenstein-group.com/fileadmin/_processed_/2/2/csm_xpkr-rmw-ritzel_slider_8c8abf3bbf.webp) The R-flange is available as an option for the XPK+. The slotted holes integrated into the gearbox flange allow easy adjustment of the gearbox with the pinion mounted on the rack. ![](https://www.wittenstein-group.com/fileadmin/_processed_/2/2/csm_xpkr-rmw-ritzel-zahnstange_slider_89dc210237.webp) The XPK+ for perfectly matched rack and pinion systems for high to very high demands. Typical areas of application are laser machines, wood, plastic, and composite material processing centers, cutting machine tools, e.g., HSC milling machines, as well as highly dynamic and precise handling applications. [Read more](https://www.wittenstein-group.com/en-us/product/premium-linear-systems) ![](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_/b/1/csm_METALBELLOWS-COUPLING-IMAGE_TabModule_dd3f337064.webp) Optimize your value chain: Utilize the combination of gearboxes and accessories in a complete package to streamline your internal processes. Find the right metal bellows couplings for our products. [Read more](https://www.wittenstein-group.com/en-us/product/metal-bellows-couplings) Related products ------------------ ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/c/8/csm_XP-PLUS-IMAGE_bd51a879af.webp)##### [ XP+](https://www.wittenstein-group.com/en-us/product/xp) alpha Premium Line Ratio3 – 100Max. torque50 – 3840 NmBacklash≤ 1 – 4 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/5/6/csm_XPC-PLUS-IMAGE_ff15a4ca59.webp)##### [ XPC+](https://www.wittenstein-group.com/en-us/product/xpc) alpha Premium Line Ratio4 – 20Max. torque48 – 2646 NmBacklash≤ 2 – 4 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/6/d/csm_PLS-IMAGE_39abb2f4db.webp)##### [ Premium Linear Systems ](https://www.wittenstein-group.com/en-us/product/premium-linear-systems) alpha Premium Line Max. feed force5.45 – 112 kNMax. feed velocity91 – 333 m/minPositioning accuracy (single drive)≥ 30 µm ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/c/f/csm_RP-PLUS-IMAGE_af0c5f8b29.webp)##### [ RP+](https://www.wittenstein-group.com/en-us/product/rp) alpha Premium Line Ratio4 – 220Max. torque352 – 10450 NmBacklash≤ 1 – 3 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/8/9/csm_PREMO-XP-LINE-IMAGE_506c1b0191.webp)##### [ premo® XP Line ](https://www.wittenstein-group.com/en-us/product/premo-xp-line) alpha Premium Line Ratio16 – 100Max. torque35 – 450 NmBacklash≤ 2 – 4 arcmin