Located in Watertown, South Dakota, Peterson Motors continuously stocks over 180 semi-truck tractors, new and used semi-trailers. We cater to farming, co-ops, over-the-road and construction industries as well as local and national heavy hauling needs. Your exclusive provider of the Quickveyor—the fastest, strongest, most advanced fertilizer trailer conveyor system on the market. Since 1989, we have been committed to providing the best products and services to meet your needs. contact us at 888-327-8298 for more information.

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Newest Listings by Peterson Motors

  • 2012 PETERBILT 367
    $79,995

    engine make: Cummins

    horsepower: 484 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    26,380 miles
    10 years old
  • 2012 PETERBILT 367
    $79,995

    engine make: Cummins

    horsepower: 484 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    23,277 miles
    10 years old
  • 2015 WESTERN STAR 4900EX
    $109,995

    engine make: Detroit Diesel

    horsepower: 600 hp

    Tri-Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    494,275 miles
    7 years old
  • 2012 PETERBILT 367
    $79,995

    engine make: Cummins

    horsepower: 485 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    40,655 miles
    10 years old
  • 2023 PRESTIGE 40 AND 42 FT
    Price Unavailable

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    Unknown
    0 years old
  • 2023 QUICKVEYOR QV38, QV40, AND QV50
    Price Unavailable

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    Unknown
    0 years old
  • 2013 KENWORTH T800
    $89,995

    engine make: Cummins

    horsepower: 500 hp

    Tri-Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    490,419 miles
    9 years old
  • 2015 FONTAINE 8.5 X 48
    $19,995

    length: 48 ft

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    Unknown
    7 years old
  • 2007 PETERBILT 379
    $74,995

    engine make: PACCAR

    horsepower: 475 hp

    Tri-Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    1,807,852 miles
    15 years old
  • 2012 PETERBILT 388
    $99,995

    engine make: PACCAR

    horsepower: 485 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    154,527 miles
    10 years old
  • 2011 KENWORTH T800
    $69,995

    engine make: Cummins

    horsepower: 450 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    508,283 miles
    11 years old
  • 2012 PETERBILT 367
    $89,995

    engine make: Cummins

    horsepower: 485 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    198,779 miles
    10 years old
  • 2016 FREIGHTLINER M2 100
    $47,995

    engine make: Cummins

    horsepower: 300 hp

    Tandem Axle

    transmission: Automatic

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    358,199 miles
    6 years old
  • 2012 PETERBILT 386
    $59,995

    engine make: Cummins

    horsepower: 450 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    559,370 miles
    10 years old
  • 2016 INTERNATIONAL 9900I EAGLE
    $89,995

    engine make: Cummins

    horsepower: 500 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    347,915 miles
    6 years old
  • 2018 MERRITT 8 X 42
    $38,995

    length: 42 ft

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    Unknown
    4 years old
  • 2014 MACK PINNACLE CXU613
    $79,995

    engine make: Mack

    horsepower: 415 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    16,088 miles
    8 years old
  • 2017 STOUGHTON DDWS
    $7,995

    length: 116 ft

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    Unknown
    5 years old
  • 2014 KENWORTH T800
    $79,995

    engine make: PACCAR

    horsepower: 500 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    523,870 miles
    8 years old
  • 2015 INTERNATIONAL LONESTAR
    $99,995

    engine make: Cummins

    horsepower: 550 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    376,000 miles
    7 years old
  • 2014 KENWORTH T800
    $129,995

    engine make: Cummins

    horsepower: 450 hp

    Tri-Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    163,646 miles
    8 years old
  • 2016 INTERNATIONAL PROSTAR
    $89,995

    engine make: Navistar

    horsepower: 500 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    434,463 miles
    6 years old
  • 2016 FREIGHTLINER CORONADO 122 SD
    $89,995

    engine make: Detroit Diesel

    horsepower: 560 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    433,549 miles
    6 years old
  • 2014 MACK PINNACLE CXU613
    $79,995

    engine make: Mack

    horsepower: 415 hp

    Tandem Axle

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    22,713 miles
    8 years old
  • 2014 DOOSAN C185
    $12,995

    Peterson Motors

    Watertown, South Dakota
    petersonmotors.net
    Unknown
    8 years old