Lot # 8713 - 1975 MACK RS685LS

    Auction 
    End Date: Wednesday, June 24, 2026 12:07 PM (CDT)
    Machine Location:2215 S 70 EOakley, Idaho 83346

    Seller Information

    Auctioneer Information

    United Auction Company

    Contact:Aron Hansen

    Phone:(775) 293-0128

    Wells, Nevada 89835

    231 Items Sold

    (775) 293-0128

    Hide Thumbnails

    Description

    1975 Mack RS685LS Dump Truck – Running and Operational – Classic Mack R-Series Workhorse Up for auction is a 1975 Mack RS685LS dump truck that is currently running and operational. This truck represents one of the most respected eras of Mack's legendary R-Series lineup, a model family that helped establish Mack's reputation for building some of the toughest vocational trucks ever put on the road. The Mack R-Series was produced from 1966 through 2005, making it one of the longest-running and most successful heavy truck platforms in industry history. The RS685LS designation places this truck within Mack's heavy-duty R-Series vocational lineup, a platform known for exceptional durability, straightforward maintenance, and long service life. These trucks became a staple in construction, aggregate hauling, logging, municipal work, and heavy hauling operations throughout North America. Many operators still seek out these classic Mack models because of their rugged construction and reputation for reliability. Built during the golden era of American heavy trucking, this 1975 model features the classic Mack styling that enthusiasts and working operators continue to appreciate today. These trucks were designed to work hard and many remain in service decades after they left the factory. The Mack bulldog hood ornament has long been a symbol of toughness in the trucking industry, and trucks from this era helped build that reputation. Highlights / Positives 1975 Mack RS685LS dump truck Running and operational Desirable Mack R-Series platform Classic Mack vocational truck Proven heavy-duty dump truck configuration Built during Mack's most respected era Strong collector and enthusiast following Durable commercial-grade construction Excellent farm, ranch, construction, or hauling truck Increasingly difficult to find original R-Series trucks Great candidate for continued work or restoration Iconic Mack styling and heritage Known Issues / Negatives Used commercial truck with normal wear consistent with age Nearly 50-year-old vehicle Buyers should inspect all mechanical systems prior to operation Exact engine, transmission, mileage, and specifications should be independently verified Sold as-is, where-is This truck would be ideal for: Construction companies Excavation contractors Farm and ranch operations Aggregate and gravel hauling Mack collectors Vintage truck enthusiasts Truck show participants Property maintenance operations Municipal and public works applications Anyone looking for a classic working dump truck Classic Mack R-Series trucks have earned a reputation for being among the most durable vocational trucks ever built. Many trucking enthusiasts consider them some of the best-looking and hardest-working trucks of their generation. Their straightforward design, heavy-duty construction, and enduring parts support continue to make them desirable today. Overall, this 1975 Mack RS685LS presents an excellent opportunity to purchase a running and operational piece of Mack history. Whether you're looking for a dependable working dump truck, a restoration candidate, or a classic addition to your collection, this truck deserves a serious look. Important Pickup Information Buyer is responsible for all loading, transportation, permits, and removal arrangements. Item must be picked up within 30 days of the auction closing date. Sold as-is, where-is. Inspections are encouraged prior to bidding.

    Specifications

    Year1975
    ManufacturerMACK
    ModelRS685LS
    VINRS685LST22437
    ConditionUsed
    Drive SideLeft Hand Drive
    Year1975|
    ManufacturerMACK|
    ModelRS685LS|
    VINRS685LST22437|
    ConditionUsed|
    Drive SideLeft Hand Drive|
    Show As Paragraph

    Your current browser cannot run our content, please make sure your browser is fully updated or try one of the browsers below.

    Your browser is not supported

    Microsoft Edge

    Google Chrome

    Mozilla Firefox