Septic Tank Trucks For Sale

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    About Septic Tank Trucks

    New and used septic tank trucks enable tree care professionals and landscapers to excavate large amounts of soil, clean up debris, transport fresh water, and complete other tasks more easily.

    Read More (About Septic Tank Trucks)
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    1 - 28 of 445 Listings

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    Mileage539,586 mi
    Capacity3,600 gal
    Location: Grass Lake, Michigan
    Online Auction
    2007 FREIGHTLINER BUSINESS CLASS M2 106 Used Septic Tank Trucks upcoming auctions2007 FREIGHTLINER BUSINESS CLASS M2 106 Used Septic Tank Trucks upcoming auctions
     
     
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    Auction Date:7/10/2026 8:00:00 AM (CDT)
    Gross Vehicle Weight RatingClass 8: 33,001 pounds or greater
    Location: Fort Myers, Florida
    Seller: Royal Auction Group
    Mileage101,527 mi
    Capacity2,500 gal
    Location: Cartersville, Georgia
    Mileage180,280 mi
    Engine ManufacturerCUMMINS
    Location: Forest Park, Georgia
    Seller: Viking Truck
    Mileage1,211 mi
    Engine ManufacturerINTERNATIONAL
    Location: Forest Park, Georgia
    Seller: Viking Truck
    Mileage1,237 mi
    Engine ManufacturerINTERNATIONAL
    Location: Forest Park, Georgia
    Seller: Viking Truck
    Mileage219,784 mi
    Engine ManufacturerCUMMINS
    Location: Forest Park, Georgia
    Seller: Viking Truck
    Mileage207,656 mi
    Engine ManufacturerCUMMINS
    Location: Forest Park, Georgia
    Seller: Viking Truck
    Mileage1,173 mi
    Engine ManufacturerPACCAR
    Location: Forest Park, Georgia
    Seller: Viking Truck
    Mileage104,284 mi
    Capacity2,500 gal
    Location: Cartersville, Georgia
    Mileage51,381 mi
    Engine ManufacturerCUMMINS
    Location: Fyffe, Alabama
    Seller: Hill Heavy Truck
    Mileage1,973 mi
    Engine ManufacturerPACCAR
    Location: Dallas, Texas
    Seller: VERNON GENE'S MEGA STORE - Dallas
    Mileage183,790 mi
    Capacity50 gal
    Location: Crosby, Texas
    Seller: All Star Sales LLC
    Mileage241,725 mi
    Engine ManufacturerCUMMINS
    Location: Macon, Georgia
    Seller: Nationwide Haul
    Mileage284,682 mi
    Engine ManufacturerHINO
    Location: Sour Lake, Texas
    Seller: All Star Sales LLC
    Mileage255,145 mi
    Engine ManufacturerHINO
    Location: Sour Lake, Texas
    Seller: All Star Sales LLC
    Mileage120,530 mi
    Engine ManufacturerCUMMINS
    Location: Orlando, Florida
    Mileage56,543 mi
    Capacity2,000 gal
    Location: Orlando, Florida
    Mileage156,374 mi
    Capacity2,000 gal
    Location: Miami, Florida
    Seller: National Truck Center
    Mileage166,928 mi
    Capacity2,500 gal
    Location: Miami, Florida
    Seller: National Truck Center
    Mileage222,254 mi
    Capacity5,000 gal
    Location: Miami, Florida
    Seller: National Truck Center
    Mileage38,247 mi
    Capacity1,400,600 gal
    Location: Des Moines, Iowa
    Seller: SAM'S RIVERSIDE TRUCK PARTS AND SALES
    Mileage12 mi
    Capacity4,200 gal
    Location: Miami, Florida
    Seller: National Truck Center
    Mileage12 mi
    Capacity4,000 gal
    Location: Miami, Florida
    Seller: National Truck Center
    Mileage16 mi
    Capacity4,000 gal
    Location: Miami, Florida
    Seller: National Truck Center
    Mileage10 mi
    Capacity4,000 gal
    Location: Miami, Florida
    Seller: National Truck Center
    Mileage71,900 mi
    Capacity4,000 gal
    Location: Orlando, Florida
    Mileage23,567 mi
    Engine ManufacturerCUMMINS
    Location: Orlando, Florida

    About Septic Tank Trucks 

    Septic tank trucks are vacuum trucks used to clean out septic tanks, sewer pump stations, portable toilets, and more. Tree care and landscaping companies also incorporate these trucks into their operations for a variety of purposes. Popular manufacturers of septic tank trucks include Freightliner, International, and Mack


    Mack MD6 Septic Tank Truck

    How Septic Tank Trucks Operate

    Septic tank trucks use suction hoses and vacuum systems to pump feces, sludge, and wastewater out of underground reservoirs into a tank on the truck for transport. Once collected, the tank’s contents are typically taken to a wastewater treatment facility where the water may be processed and used for other applications, such as crop irrigation and fertilization. 

    Unlike some other styles of tank trucks, septic tank trucks require the operator to leave the cab to access separate controls on the exterior of the truck body. For septic truck operators, this could be as simple as connecting a hose to a septic tank and turning on the vacuum pump.

    Septic Tank Trucks For Tree & Landscaping 

    These trucks can save tree care and landscaping companies time, manual labor, and the need to use additional machinery when creating holes, extracting soil, cleaning up debris, and performing other tasks. A landscaping company, for example, can quickly and precisely remove large amounts of earth to plant a large tree without disturbing underground utilities, nearby established plant beds, or other obstacles. 

    Depending on the truck, installing a second tank compartment may be possible to transport hundreds of gallons of fresh water to jobsites for watering plants, cleaning tools, and more.

    Septic Tank Truck Sizes 

    Most of these trucks were originally cab and chassis trucks that have been outfitted with septic pump systems and tanks; tank sizes and features will vary. The gross vehicle weight rating (GVWR) of tank trucks also varies, from around 26,000 up to 33,000 pounds (11,800 to 15,000 kilograms), which puts them in the heavy-duty category, although some severe-duty models can have GVWRs as high as 66,000 lbs (30,000 kg) or more.

    Septic Tank Truck Characteristics

    The main tank of a septic tank truck will typically have a capacity of 1,000 to 5,500 gallons (3,785 to 20,800 liters) or more and is often constructed of stainless steel, aluminum, or carbon steel. Stainless steel tanks may be more expensive but are more corrosion-resistant than other materials. Carbon steel tanks are less expensive and highly durable but are more susceptible to rust, which can be a problem when working with waste and water.

    Many popular septic tank truck models, like the International Durastar 4300, have a diesel engine and an automatic transmission. Many septic tank trucks have onboard aluminum toolboxes for stowing equipment and supplies, aluminum hose trays for neat hose management, and a ladder for accessing the top of the tank.

    Find Septic Tank Trucks For Sale Near Me

    Browse for-sale listings for new and used septic tank trucks at TreeTrader.com to find the truck that’s right for your landscaping or tree care business. Compare models from manufacturers such as Freightliner, International, Mack, and others.