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:
    3,457
    Messages:
    33,101
    Latest: 1997 Freightliner FLD 112 AC Compressor Replacement blairandgretchen, Sep 8, 2026 at 4:06 AM

  2. International Forum

    Ownership, maintenance and mechanical issues forum for all Navistar International trucks, including Lonestar, Prostar, Transtar and 9000.
    Discussions:
    2,026
    Messages:
    17,856
    Latest: 2017 inter 4300 durastar no breaks at all Raffito, Sep 5, 2026 at 10:06 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:
    2,025
    Messages:
    19,122
    Latest: 1995 t600 no crank WitchingHour, Aug 30, 2026

  4. Mack Forum

    Ownership, maintenance and mechanical issues forum for all Mack truck models, including Pinnacle, Vision, Titan, Granite, CH, CX, CV
    Discussions:
    328
    Messages:
    2,177
    Latest: Mack Anthem Sleeper windows #1 Crude Hauler, Sep 3, 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:
    2,367
    Messages:
    20,734
    Latest: Paccar no pulling power frenchbrokers, Sep 8, 2026 at 10:39 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:
    3,787
    Messages:
    37,342
    Latest: VOLVO VNL 2017 Leaking air from abs modulator exhaust port RoadRanger^^, Sep 6, 2026 at 10:44 PM

  7. Western Star Forum

    Ownership, maintenance and mechanical issues forum for all Western Star truck models, including Lowmax, 4900, 5900, 3406E
    Discussions:
    460
    Messages:
    4,170
    Latest: 8v92 into 4964 Star4900, Sep 1, 2026
Sort By:
Title Start Date
Replies Views
Last Message ↓
  1. XxdiggitxX

    EGR issues

    XxdiggitxX, Dec 23, 2020
    Replies:
    4
    Views:
    1,742
    XxdiggitxX
    Dec 23, 2020
  2. Road_HAWG

    New Owner Op

    Road_HAWG, Apr 26, 2020
    Replies:
    0
    Views:
    9,866
    Road_HAWG
    Apr 26, 2020
  3. Adriantx

    Truck bouncing

    Adriantx, Apr 16, 2020 ... 2
    Replies:
    10
    Views:
    24,283
    Adriantx
    Apr 16, 2020
  4. Wheep

    Big cam Cummins 4 parts

    Wheep, Sep 6, 2019
    Replies:
    8
    Views:
    2,484
    Wheep
    Sep 6, 2019
  5. Vipercat

    C15 Acert code after service

    Vipercat, Aug 26, 2019
    Replies:
    0
    Views:
    1,405
    Vipercat
    Aug 26, 2019
  6. Yagbt

    Secondary air completely gone.

    Yagbt, Jul 12, 2019 ... 2
    Replies:
    14
    Views:
    4,775
    Yagbt
    Jul 12, 2019
  7. Mandeepsingh

    On command connection

    Mandeepsingh, Apr 2, 2019
    Replies:
    0
    Views:
    10,808
    Mandeepsingh
    Apr 2, 2019
Showing threads 1 to 7 of 7

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