Trucks [ Eighteen Wheelers ]

Forum for owners and mechanics of semi trucks. Includes Freightliner, Peterbilt, International, Volvo, Kenworth, Detroit Diesel, Cummins and CAT
Freightliner Truck Forum, International Truck Forum, Kenworth Truck Forum, Mack Truck Forum, Peterbilt Truck Forum, Volvo Truck Forum, Western Star Truck Forum

  1. Sub-Forums

    Commercial Truck Forums

    Manufacturer specific forums for owners of semi trucks and heavy duty vehicles:
    Discussions:
    14,406
    Messages:
    134,099

    1. Freightliner Forum

    2. International Forum

    3. Kenworth Forum

    4. Mack Forum

    5. Peterbilt Forum

    6. Volvo Forum

    7. Western Star Forum

    Latest: 1999 VNL 630 Instrument Cluster Swap Senya, Apr 20, 2026 at 10:13 PM

  2. Sub-Forums

    Heavy Duty Diesel Truck Mechanics Forum

    For mechanics and owners of shops servicing semi trucks and Class 7-8 vehicles. Repairs, troubleshooting and business advice.
    Discussions:
    9,740
    Messages:
    95,132
    Latest: DD15 coolant temp issue Magoo1968, Apr 20, 2026 at 3:17 AM
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  1. Goodysnap

    Help request's lacking information, Read this first!

    Goodysnap, Dec 24, 2018 ... 2
    Replies:
    19
    Views:
    11,609
    rob_low35
    Mar 17, 2024
  2. d o g

    Trucks Forum Popular Threads

    d o g, Jan 16, 2015
    Replies:
    0
    Views:
    15,674
    d o g
    Jan 16, 2015
  3. Admin

    No Emission Modification/Deletion Threads, Please

    Admin, Mar 13, 2014
    Replies:
    0
    Views:
    27,844
    Admin
    Mar 13, 2014
  4. Ratt643

    2006 Eaton Fuller push button console wont come on.

    Ratt643, Aug 6, 2025 ... 2
    Replies:
    12
    Views:
    1,015
    Ratt643
    Apr 20, 2026 at 9:07 PM
  5. ColumbiaBoB

    Water collecting.

    ColumbiaBoB, Apr 18, 2026 at 9:15 PM
    Replies:
    9
    Views:
    259
    OldeSkool
    Apr 20, 2026 at 4:21 PM
  6. mromgcorey

    Eaton clutch problems

    mromgcorey, Apr 1, 2026
    Replies:
    2
    Views:
    282
    mromgcorey
    Apr 19, 2026 at 4:52 PM
  7. Deezl Smoke

    Factory AGM to sealed flooded in 2021 Paccar?

    Deezl Smoke, Apr 16, 2026 at 2:14 PM
    Replies:
    3
    Views:
    224
    Deezl Smoke
    Apr 16, 2026 at 9:42 PM
  8. Andres Guerrero

    D13 Fan staying on SID33 FMI5

    Andres Guerrero, Apr 4, 2026
    Replies:
    0
    Views:
    172
    Andres Guerrero
    Apr 4, 2026
  9. cmulli56

    Help determine 3030 push rod length

    cmulli56, Mar 31, 2026 ... 2
    Replies:
    15
    Views:
    633
    Big Road Skateboard
    Apr 1, 2026
  10. Brandonpdx

    Seeing some unusual wear patterns on this steer tire

    Brandonpdx, Feb 20, 2026 ... 2 3 4
    Replies:
    38
    Views:
    1,731
    Tuoba
    Mar 31, 2026
  11. TheLoadOut

    Trucks of Hollywood

    TheLoadOut, Apr 29, 2020 ... 12 13 14
    Replies:
    130
    Views:
    23,189
    Trucker61016
    Mar 30, 2026
  12. flat-step

    Oil Trap

    flat-step, Aug 14, 2012 ... 2
    Replies:
    14
    Views:
    11,347
    stat.will
    Mar 29, 2026
  13. DoubleGs

    2006 Freightliner M2 - No Right Headlamp / Frt Ambers on fenders or Hazard lights

    DoubleGs, Apr 9, 2015 ... 2 3 4
    Replies:
    33
    Views:
    41,320
    MtnMed
    Mar 29, 2026
  14. maxwellhouse

    What is the torque spec for rear axle nuts on Peterbilt 379?

    maxwellhouse, Dec 15, 2025
    Replies:
    6
    Views:
    774
    Lowboy456
    Mar 24, 2026
  15. GipsyD

    N14 Celect Plus - Manual to Auto Conversion with AS3 - Possible?

    GipsyD, Mar 7, 2026
    Replies:
    6
    Views:
    439
    DUNE-T
    Mar 21, 2026
  16. Straight Diesel

    Did I pay too much for this clutch replacement on a 1998 Volvo

    Straight Diesel, Mar 16, 2026 ... 2 3
    Replies:
    27
    Views:
    1,223
    rollin coal
    Mar 17, 2026
  17. Scrapper

    CAT IVA (Intake Valve Actuator) Defined...Kind of

    Scrapper, Feb 22, 2012 ... 3 4 5
    Replies:
    42
    Views:
    134,280
    ABudjak
    Mar 15, 2026
  18. Tegster

    isx cm871 jakes

    Tegster, Mar 4, 2026
    Replies:
    3
    Views:
    217
    Deezl Smoke
    Mar 5, 2026
  19. z2898

    Maybe someone can tell me what this is???

    z2898, Feb 20, 2026 ... 2
    Replies:
    12
    Views:
    850
    z2898
    Mar 2, 2026
  20. Butterfield_Truckers

    Cascadia- Disable distance sensor BEEP and collision braking

    Butterfield_Truckers, Apr 6, 2022 ... 2 3 4
    Replies:
    31
    Views:
    29,539
    Antinomian
    Feb 25, 2026
  21. CZR

    Pre emissions truck

    CZR, Feb 4, 2026 ... 2
    Replies:
    13
    Views:
    1,074
    bad-luck
    Feb 23, 2026
  22. Deezl Smoke

    Cummins insite question. Sensor values?

    Deezl Smoke, Feb 21, 2026 ... 2
    Replies:
    12
    Views:
    682
    D.Tibbitt
    Feb 22, 2026
  23. DavisLane

    Peterbilt with a seized clutch after brief time in a flood.

    DavisLane, Feb 19, 2026
    Replies:
    7
    Views:
    456
    Lennythedriver
    Feb 19, 2026
Showing threads 1 to 20 of 18,011

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