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:
    134,094

    1. Freightliner Forum

    2. International Forum

    3. Kenworth Forum

    4. Mack Forum

    5. Peterbilt Forum

    6. Volvo Forum

    7. Western Star Forum

    Latest: Volvo 2016 fan clutch manual switch Usisha05, Apr 16, 2026 at 8:04 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:
    9,738
    Messages:
    95,109
    Latest: Need help on some DPF related issues. Diesel Dave, Apr 17, 2026 at 2:33 AM
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  1. Admin

    No Emission Modification/Deletion Threads, Please

    Admin, Mar 13, 2014
    Replies:
    0
    Views:
    27,835
    Admin
    Mar 13, 2014
  2. d o g

    Trucks Forum Popular Threads

    d o g, Jan 16, 2015
    Replies:
    0
    Views:
    15,670
    d o g
    Jan 16, 2015
  3. Goodysnap

    Help request's lacking information, Read this first!

    Goodysnap, Dec 24, 2018 ... 2
    Replies:
    19
    Views:
    11,574
    rob_low35
    Mar 17, 2024
  4. snowbird_89

    Why do so many Americans hate European trucks?

    snowbird_89, Jun 10, 2011 ... 2046 2047 2048
    Replies:
    20,474
    Views:
    1,954,556
    Caesar
    Jun 23, 2019
  5. Bean Jr.

    Trucking in North America vs around the world

    Bean Jr., Oct 26, 2017 ... 752 753 754
    Replies:
    7,531
    Views:
    761,708
    98989
    Jan 5, 2026
  6. Wildcat74

    Cabovers

    Wildcat74, Apr 3, 2011 ... 261 262 263
    Replies:
    2,620
    Views:
    733,745
    mjd4277
    Sep 18, 2019
  7. Rawze

    Cummins ISX CM871 Technical discussion

    Rawze, Aug 13, 2013 ... 32 33 34
    Replies:
    334
    Views:
    530,890
    wizbang
    Jan 23, 2015
  8. 98989

    Scania v8 730hp

    98989, Apr 16, 2010 ... 101 102 103
    Replies:
    1,025
    Views:
    419,781
    maconhadalata
    Jan 3, 2021
  9. Roadhound

    Caterpillar power harness

    Roadhound, Jan 15, 2008 ... 97 98 99
    Replies:
    983
    Views:
    359,008
    diesels unlimited
    Oct 18, 2013
  10. Derov

    Truck won't perform parked regen, trying to get home

    Derov, Oct 24, 2012 ... 2 3
    Replies:
    27
    Views:
    324,658
    Lostmykey
    Jun 5, 2023
  11. fullthrotle

    big cam 400 cummins tricks

    fullthrotle, May 10, 2007 ... 11 12 13
    Replies:
    125
    Views:
    314,810
    spsauerland
    Sep 22, 2018
  12. underpsi

    Cat trouble codes

    underpsi, Feb 5, 2009 ... 4 5 6
    Replies:
    55
    Views:
    309,320
    Snake1969
    Oct 1, 2017
  13. gtn428

    Cummins vs. Cat

    gtn428, Oct 26, 2008 ... 22 23 24
    Replies:
    234
    Views:
    304,046
    wilbert muswere
    Aug 31, 2015
  14. tomsws6

    c16 vs c15

    tomsws6, Jul 1, 2010 ... 12 13 14
    Replies:
    131
    Views:
    267,314
    maconhadalata
    Feb 19, 2022
  15. diesel_weasel

    International Prosatar/Maxxforce: Worthless junk!!!

    diesel_weasel, Feb 7, 2010 ... 21 22 23
    Replies:
    223
    Views:
    238,996
    KB3MMX
    May 27, 2017
  16. Manny129

    TriPac APU Alarm Codes

    Manny129, Aug 19, 2010 ... 16 17 18
    Replies:
    179
    Views:
    235,721
    Lobaina Perez
    Aug 30, 2023
  17. areelius

    6NZ vs 3406E

    areelius, Sep 27, 2013 ... 5 6 7
    Replies:
    63
    Views:
    220,870
    Wheel twister
    Jul 9, 2020
  18. EmersonSC

    Volvo reviews or opinions

    EmersonSC, Feb 13, 2010 ... 41 42 43
    Replies:
    427
    Views:
    218,166
    Hammercity
    Jul 9, 2023
  19. thomas

    Truck Frame Stretching

    thomas, Jan 1, 2009 ... 9 10 11
    Replies:
    101
    Views:
    211,343
    LongLife
    Jan 4, 2021
  20. Spochen

    Scania, Volvo, Mercedes vs American trucks. How can you stand them?

    Spochen, Aug 13, 2010 ... 19 20 21
    Replies:
    207
    Views:
    209,896
    Mastertech
    Nov 13, 2010
  21. TriPac Dude

    How to disable the stupid on guard system

    TriPac Dude, Feb 9, 2014 ... 13 14 15
    Replies:
    145
    Views:
    203,102
    Walk Among Us
    Aug 14, 2025
  22. xkmail

    Making more HP in a Cummins M11

    xkmail, Apr 26, 2007 ... 2 3 4
    Replies:
    35
    Views:
    202,562
    Olskool95
    Oct 23, 2021
  23. allan5oh

    Why do people use lucas "oil stabilizer"?

    allan5oh, Oct 28, 2012 ... 6 7 8
    Replies:
    75
    Views:
    201,373
    anthonyar4
    Apr 12, 2020
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