FAQ

Why do wiper arms and shafts have so many interfaces (i.e. knurl, drum, tapered knurl, DIN)?

Over the years, the mainstream manufacturers have each developed their own standards for wiper arms.

  • Drum interfaces were popular in 1950s and 1960s automobiles.

  • The tapered knurl is commonly found on many off-road applications, as well as larger applications such as motorhomes and buses.

  • The European DIN standard is the latest world-wide adopted interface and can be found on all types of equipment.

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As the holiday season approaches, we at Magneto Movement, along with AM Equipment and Dumore Motors, will be closing our facilities to allow our team to celebrate with family and friends. Services impacted during this closure include shipping and receiving, from Monday, December 16, through Friday, December 27, 2024. We will be back and fully operational on December 30, 2024.