--- title: MBL (USA) | SUPER KB description: Smooth clutching and backside idler use define Mitsuboshi SUPER KB V-belts, with aramid cords for length stability and strength in light-duty drives. --- [Skip to content](https://www.mblusa.com/super_kb#main-content) - - [mailto:mblusa.sales@mitsuboshi.com](mailto:mblusa.sales@mitsuboshi.com) - - [E-COMMERCE](https://ecommerce.mblusa.com/my-account/login/)        [AUTO BELT SEARCH](https://www.showmetheparts.com/mbl/) [![Mitsuboshi Logo](https://www.mblusa.com/hs-fs/hubfs/Mitsuboshi%20Long%20Logo%20Blue%20Web-1.png?width=325&height=37&name=Mitsuboshi%20Long%20Logo%20Blue%20Web-1.png "Mitsuboshi Logo")](https://www.mblusa.com?hsLang=en) - [About Us](https://www.mblusa.com/mitsuboshi_belting_ltd#about_us) Show submenu for About Us - [Our Company](https://www.mblusa.com/mitsuboshi_belting_ltd) - [Our History](https://www.mblusa.com/history) - [Join Us](https://www.mblusa.com/careers) - [News & Insights](https://www.mblusa.com/mbl-usa-corporation-news) - [Products](https://www.mblusa.com/products) Show submenu for Products - [By Categories](https://www.mblusa.com/products#by_catagories) - [By Transmission Type](https://www.mblusa.com/products#by_transmission_type) - [By Application](https://www.mblusa.com/products#by_application) - [Industries](https://www.mblusa.com/products#by_application) Show submenu for Industries - [Agriculture](https://www.mblusa.com/agriculture) - [Automotive](https://www.mblusa.com/automotive) - [Heavy Duty](https://www.mblusa.com/heavy_duty) - [Industrial](https://www.mblusa.com/industrial) - [Lawn & Garden](https://www.mblusa.com/lawnandgarden) - [Recreational](https://www.mblusa.com/powersports) - [Resources](https://www.mblusa.com/resources) - [Careers](https://www.mblusa.com/careers) - [Contact Us](https://www.mblusa.com/service/contact/#contact_us) Show submenu for Contact Us - [North & South America](https://www.mblusa.com/service/contact/) - [Japan](https://www.mitsuboshi.com/english/inquiry/form_general/) - [Europe](https://www.mitsuboshi.de/en/contact/) - [About Us](https://www.mblusa.com/mitsuboshi_belting_ltd#about_us) Show submenu for About Us - [Our Company](https://www.mblusa.com/mitsuboshi_belting_ltd) - [Our History](https://www.mblusa.com/history) - [Join Us](https://www.mblusa.com/careers) - [News & Insights](https://www.mblusa.com/mbl-usa-corporation-news) - [Products](https://www.mblusa.com/products) Show submenu for Products - [By Categories](https://www.mblusa.com/products#by_catagories) - [By Transmission Type](https://www.mblusa.com/products#by_transmission_type) - [By Application](https://www.mblusa.com/products#by_application) - [Industries](https://www.mblusa.com/products#by_application) Show submenu for Industries - [Agriculture](https://www.mblusa.com/agriculture) - [Automotive](https://www.mblusa.com/automotive) - [Heavy Duty](https://www.mblusa.com/heavy_duty) - [Industrial](https://www.mblusa.com/industrial) - [Lawn & Garden](https://www.mblusa.com/lawnandgarden) - [Recreational](https://www.mblusa.com/powersports) - [Resources](https://www.mblusa.com/resources) - [Careers](https://www.mblusa.com/careers) - [Contact Us](https://www.mblusa.com/service/contact/#contact_us) Show submenu for Contact Us - [North & South America](https://www.mblusa.com/service/contact/) - [Japan](https://www.mitsuboshi.com/english/inquiry/form_general/) - [Europe](https://www.mitsuboshi.de/en/contact/) This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. # SUPER KB [know more](https://www.hubspot.com/) - [Products](https://www.mblusa.com/products?hsLang=en) \> - [Industrial](https://www.mblusa.com/industrial?hsLang=en) \> - [Friction Forced Belts](https://www.mblusa.com/friction_forced_belts?hsLang=en) \> - SUPER KB ![Super KB (3LK, 4LK, 5LK)-1](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/Super%20KB%20(3LK%2c%204LK%2c%205LK)-1.jpg?width=1200&length=1200&name=Super%20KB%20(3LK%2c%204LK%2c%205LK)-1.jpg) ## Wrapped V-belt ## SUPER KB **Light-duty** **Aramid cord** **Greater horsepower** **Smooth clutching** The SUPER KB belt surpasses FHP belts in withstanding heavy shock loads, making it ideal for lighter-duty tasks. The belt incorporates aramid fiber in its tensile cord for added length stability, providing greater horsepower than light-duty FHP belts. It is specifically designed for smooth clutching and backside idler applications and can withstand extreme temperatures, high humidity, oil, and cracking. ![superkbcomposition](https://www.mblusa.com/hs-fs/hubfs/superkbcomposition.png?width=550&height=381&name=superkbcomposition.png "superkbcomposition") 3LK 4LK 5LK ![fhpprofile3L](https://www.mblusa.com/hs-fs/hubfs/fhpprofile3L.jpg?width=350&height=256&name=fhpprofile3L.jpg)   ![fhpprofile4L](https://www.mblusa.com/hs-fs/hubfs/fhpprofile4L.jpg?width=350&height=259&name=fhpprofile4L.jpg)   ![fhpprofile5L](https://www.mblusa.com/hs-fs/hubfs/fhpprofile5L.jpg?width=350&height=257&name=fhpprofile5L.jpg)   ##### Construction | **Cover fabric** | Cotton | | --- | --- | | **Adhesion rubber** | Chloroprene rubber | | **Cord** | Aramid | | **Compression rubber** | Chloroprene rubber | ##### Characteristics | **Heat resistance** | +90°C / +194°F | | --- | --- | | **Cold resistance** | -30°C / -22°F | | **Electric conductive** | Yes | [Super KB Flyer](https://www.mblusa.com/hubfs/Brochures%20and%20Catalogs%20(pdfs%2C%20covers)/PDFs/Super_KB_(V-Belts_for_Agricultural_Machines)_(V628-C)%20Compress.pdf?hsLang=en) #### Questions? Please contact us to request more information about our product and how it can work with your application. [Contact Us](https://www.mblusa.com/service/contact/?hsLang=en) #### Design Manual Offers a wealth of valuable guidance and detailed instructions on the properties and construction design of V-belts. [Request Now](https://www.mblusa.com/v-belt_design_manual_request?hsLang=en) [![Conventional](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/Belts%20(photos%2c%20graphics%2c%20profiles%2c%20etc.)/Belt%20Photos/Conventional.jpg?width=1200&length=1200&name=Conventional.jpg)](https://www.mblusa.com/conventional_vbelt?hsLang=en) Conventional V-belt [![Maxstar Power Green (AK, BK)](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/Maxstar%20Power%20Green%20(AK%2c%20BK).jpg?width=1200&length=1200&name=Maxstar%20Power%20Green%20(AK%2c%20BK).jpg)](https://www.mblusa.com/maxstar_power?hsLang=en) MAXSTAR POWER [![MAXSTAR WEDGE V-belt (3V, 5V, 8V)](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/MAXSTAR%20WEDGE%20V-belt%20(3V%2c%205V%2c%208V).jpg?width=1200&length=1200&name=MAXSTAR%20WEDGE%20V-belt%20(3V%2c%205V%2c%208V).jpg)](https://www.mblusa.com/maxstar_wedge?hsLang=en) MAXSTAR WEDGE [![Wrapped Narrow](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/Wrapped%20Narrow.jpg?width=1200&length=1200&name=Wrapped%20Narrow.jpg)](https://www.mblusa.com/narrow_vbelt?hsLang=en) Narrow V-belt [![FHP V-belt (3L, 4L, 5L)](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/FHP%20V-belt%20(3L%2c%204L%2c%205L).jpg?width=1200&length=1200&name=FHP%20V-belt%20(3L%2c%204L%2c%205L).jpg)](https://www.mblusa.com/fhp_vbelt?hsLang=en) FHP V-belt [![Hexagonal V-belt (AA, BB, CC)](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/Hexagonal%20V-belt%20(AA%2c%20BB%2c%20CC).jpg?width=1200&length=1200&name=Hexagonal%20V-belt%20(AA%2c%20BB%2c%20CC).jpg)](https://www.mblusa.com/hexagonal_vbelt?hsLang=en) Hexagonal V-belt --- [![6△ロゴ(青地白文字)](https://www.mblusa.com/hs-fs/hubfs/6%E2%96%B3%E3%83%AD%E3%82%B4(%E9%9D%92%E5%9C%B0%E7%99%BD%E6%96%87%E5%AD%97).png?width=109&height=113&name=6%E2%96%B3%E3%83%AD%E3%82%B4(%E9%9D%92%E5%9C%B0%E7%99%BD%E6%96%87%E5%AD%97).png "6△ロゴ(青地白文字)")](https://www.mblusa.com?hsLang=en) MBL (USA) Corporation manufactures and distributes power transmission belts for original equipment and service parts in the automotive, recreational, and industrial markets. [![Japanese button english-1](https://www.mblusa.com/hs-fs/hubfs/Japanese%20button%20english-1.png?width=411&height=75&name=Japanese%20button%20english-1.png "Japanese button english-1")](https://www.mitsuboshi.com/english/) [![global\_portal\_en-1](https://www.mblusa.com/hs-fs/hubfs/global_portal_en-1.png?width=231&height=71&name=global_portal_en-1.png "global_portal_en-1")](https://global.mitsuboshi.com/?_fsi=BTkyi7wZ) ## Get In Touch (815) 434-1282 Toll Free (877) 625-7832 [mblusa.websupport@mitsuboshi.com](mailto:mblusa.websupport@mitsuboshi.com) Plant & Warehouse: 601 Dayton Road, Ottawa, IL 61350 Sales & Engineering: 1600 Golf Road, Rolling Meadows, IL 60008 ## Menu - [About Us](https://www.mblusa.com) - [Products](https://www.mblusa.com/products) - [Resources](https://www.mblusa.com/resources) - [Careers](https://www.mblusa.com/careers) - [News](https://www.mblusa.com/mbl-usa-corporation-news) Copyright © 2025 MBL (USA) Corporation All Rights Reserved. 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