Made with Kevlar to Meet or Exceed FSP Specifications, 1/2 X 102 1/4″. John Deere Replacement Hydro drive belt for M110978. Hydro drive belt for LX176, LX178, LX186, LX188. Kevlar corded lawn and garden belts have become increasingly popular over the last few years due to their extreme strength, durability, and value-added pricing. Kevlar corded belts, also called Aramid or extra-heavy duty belts are constructed of organic polyaramide fibers that are manufactured using complex chemical processes. **Interesting fact: Kevlar is the same material bulletproof vests are constructed with. Kevlar is used as a tension member because of its inherent stability and high tensile strength Cord