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   Commercial Truck Forums

   Manufacturer specific forums for owners of semi trucks and heavy duty vehicles:

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   1. Freightliner Forum

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   Latest: KW 2006 W900 Air Brake issues Cindy, Aug 6, 2025 at 9:08 AM

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.

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   Latest: Wierd 5v source wire problem on ecm harness isx15 cummins JB7, Aug 6, 2025 at 10:01 AM

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