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:
    3,414
    Messages:
    32,712
    Latest: Freightliner Cascadia Loses Prime every so often LakenT, Jun 13, 2025 at 8:28 PM
  2. International Forum

    Ownership, maintenance and mechanical issues forum for all Navistar International trucks, including Lonestar, Prostar, Transtar and 9000.
    Discussions:
    1,992
    Messages:
    17,559
    Latest: 2019 LT Air Leak at Front Relay Valve JeremyTourville, Jun 15, 2025 at 9:01 AM
  3. Kenworth Forum

    Ownership, maintenance and mechanical issues forum for all Kenworth truck models, including T660, T700, T800, W800, W900, K100, T2000, C500
    Discussions:
    1,979
    Messages:
    18,639
    Latest: Full overhaul or partial Lazer, Jun 16, 2025 at 4:46 PM
  4. Mack Forum

    Ownership, maintenance and mechanical issues forum for all Mack truck models, including Pinnacle, Vision, Titan, Granite, CH, CX, CV
    Discussions:
    323
    Messages:
    2,121
    Latest: Mack E7 and fuller trans fit Mack E6 ? john510, Jun 16, 2025 at 9:41 AM
  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:
    2,344
    Messages:
    20,515
    Latest: Paccar no pulling power blm7171, Jun 9, 2025
  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:
    3,754
    Messages:
    37,103
  7. Western Star Forum

    Ownership, maintenance and mechanical issues forum for all Western Star truck models, including Lowmax, 4900, 5900, 3406E
    Discussions:
    449
    Messages:
    4,114
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