Commercial Truck Forums

Manufacturer specific forums for owners of semi trucks and heavy duty vehicles:

  1. Freightliner Forum

    Ownership, maintenance and mechanical issues forum for all Freightliner models, including Cascadia, Century, Classic, Coe, Columbia, Condor, FLD, M2, and Coronado
    Discussions:
    3,412
    Messages:
    32,702
    Latest: 2016 DD15 - 4364 FM18 and 5246 FMI0 Alex P., Apr 29, 2025 at 7:09 AM
  2. International Forum

    Ownership, maintenance and mechanical issues forum for all Navistar International trucks, including Lonestar, Prostar, Transtar and 9000.
    Discussions:
    1,990
    Messages:
    17,527
    Latest: 02 9100i a/c issues Heavyd, Apr 29, 2025 at 5:33 PM
  3. Kenworth Forum

    Ownership, maintenance and mechanical issues forum for all Kenworth truck models, including T660, T700, T800, W800, W900, K100, T2000, C500
    Discussions:
    1,977
    Messages:
    18,614
    Latest: Saved From Scrap AModelCat, Apr 27, 2025 at 5:47 PM
  4. Mack Forum

    Ownership, maintenance and mechanical issues forum for all Mack truck models, including Pinnacle, Vision, Titan, Granite, CH, CX, CV
    Discussions:
    322
    Messages:
    2,120
    Latest: 2017 MACK cxu613 mtclex, Apr 3, 2025
  5. Peterbilt Forum

    Ownership, maintenance and mechanical issues forum for all Peterbilt models, including 210, 220, 320, 325, 330, 337, 348, 365, 367, 386 Hybrid, 386, 387, 388, 389, 379
    Discussions:
    2,341
    Messages:
    20,486
    Latest: Are 379 and 378 Diesel Dave, Apr 29, 2025 at 5:19 PM
  6. Volvo Forum

    Ownership, maintenance and mechanical issues forum for all Volvo semi trucks, including VNL 300, VNL430, VNL630, VNL670, VNL730, VNL 780, VHD/VHD430, VNM200, VT880/830, VNL610/660, VNL770, VNL420/300, VNM series
    Discussions:
    3,751
    Messages:
    37,074
    Latest: Electric fan issues Mdavid0614, Apr 27, 2025 at 11:36 PM
  7. Western Star Forum

    Ownership, maintenance and mechanical issues forum for all Western Star truck models, including Lowmax, 4900, 5900, 3406E
    Discussions:
    448
    Messages:
    4,107
    Latest: Alternator upgrade? 40si too much juice? Ridgeline, Apr 25, 2025 at 11:54 AM
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