About Us

Steve Henley, Owner

Steve Henley, Owner

Sierra Heavy Duty is a family owned company and has been involved in the heavy truck and tractor industry since the 1950’s and RV industry since the early 1960’s.

Our experience in the “trucking business” ranges from purchasing, hauling and repairing, to providing RV service for manufacturer and extended warranties, to general repairs.

With over 50 years in the truck, tractor and RV industry we have an extensive network of suppliers and contacts to meet your particular need. As a family owned business, we are proud of the team of knowledgeable professionals we have assembled to serve our customers.

  • From Our Customers

    Dear Steve,
    We so appreciated you coming to Jackson Rancheria RV Park to site 27 to get our slide out to go back in on our trailer. We thank you for coming so quickly and finding the problem. With my husband being handicap it is not easy for us. If you are ever in Loomis, look us up.

    Nancy & Richard Beck
    Loomis, CA

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  • Contact Us

    Sierra Heavy Duty, Inc.
    18968 Waylon Way
    Sonora, CA 95370

    (209) 532-7994
    (209) 532-8229 (fax)

    Map & directions...