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:
    3,443
    Messages:
    32,976
    Latest: Idling a 2020 Cascadia johnwhick, Apr 9, 2026 at 8:36 PM

  2. International Forum

    Ownership, maintenance and mechanical issues forum for all Navistar International trucks, including Lonestar, Prostar, Transtar and 9000.
    Discussions:
    2,020
    Messages:
    17,792
    Latest: LT headlights me myself and I, Apr 9, 2026 at 10:35 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:
    2,014
    Messages:
    18,979
    Latest: T680 next gen headlight adjustment tscottme, Apr 8, 2026 at 7:53 PM

  4. Mack Forum

    Ownership, maintenance and mechanical issues forum for all Mack truck models, including Pinnacle, Vision, Titan, Granite, CH, CX, CV
    Discussions:
    324
    Messages:
    2,147
    Latest: Looking at purchasing a 2020 Mack Anthem, any concerns? 86scotty, Mar 28, 2026

  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:
    2,362
    Messages:
    20,695
    Latest: 362 Radiator Grille needed Rollinthunder567, Apr 5, 2026 at 8:20 AM

  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:
    3,777
    Messages:
    37,290
    Latest: Cummins isx 15 coolant loss no external leak Burdisco, Apr 8, 2026 at 7:58 PM

  7. Western Star Forum

    Ownership, maintenance and mechanical issues forum for all Western Star truck models, including Lowmax, 4900, 5900, 3406E
    Discussions:
    457
    Messages:
    4,156
    Latest: 2024 4900 RocketyMan, Apr 8, 2026 at 1:33 PM
Sort By:
Title Start Date
Replies Views
Last Message ↓
  1. XxdiggitxX

    EGR issues

    XxdiggitxX, Dec 23, 2020
    Replies:
    4
    Views:
    1,639
    XxdiggitxX
    Dec 23, 2020
  2. Road_HAWG

    New Owner Op

    Road_HAWG, Apr 26, 2020
    Replies:
    0
    Views:
    9,454
    Road_HAWG
    Apr 26, 2020
  3. Adriantx

    Truck bouncing

    Adriantx, Apr 16, 2020 ... 2
    Replies:
    10
    Views:
    23,098
    Adriantx
    Apr 16, 2020
  4. Wheep

    Big cam Cummins 4 parts

    Wheep, Sep 6, 2019
    Replies:
    8
    Views:
    2,359
    Wheep
    Sep 6, 2019
  5. Vipercat

    C15 Acert code after service

    Vipercat, Aug 26, 2019
    Replies:
    0
    Views:
    1,307
    Vipercat
    Aug 26, 2019
  6. Yagbt

    Secondary air completely gone.

    Yagbt, Jul 12, 2019 ... 2
    Replies:
    14
    Views:
    4,499
    Yagbt
    Jul 12, 2019
  7. Mandeepsingh

    On command connection

    Mandeepsingh, Apr 2, 2019
    Replies:
    0
    Views:
    10,374
    Mandeepsingh
    Apr 2, 2019
Showing threads 1 to 7 of 7

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