HQ Series Drive Belt by Ultimax®. Ultimax UHQ ATV/UTV Belt UHQ406 Comprised of 28 part numbers, the Ultimax HQ belt line fits most popular machines and comes with a one-year warranty. Proudly made in the USA, the Ultimax family includes Ultimax MAX, Ultimax PRO and Ultimax XS snowmobile drive belts; Ultimax HQ, Ultimax UA and Ultimax XP drive belts for ATVs, UTVs and SxSs; and Ultimax MD (Multi-Duty) belts.