Diesel truck notes

Marketplace updates, practical buying guides, and useful notes worth checking before you message a seller.

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5.9 Cummins Maintenance: A Sensible First-90-Days Plan

Use the first three months with a 5.9 Cummins to establish records, resolve defects, and learn the truck. A practical plan before spending money on upgrades.

Oct 9, 20263 min read10

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Guide/Badass Diesels Club

5.9 Cummins Problems: Separate Engine Issues From Truck Age

A 5.9 Cummins diagnosis starts with the engine generation and the actual symptom. Check starting, fuel-system history, cooling, and the aging truck around it.

Oct 7, 20263 min read10

Guide/Badass Diesels Club

5.9 Cummins Buyer’s Guide: Buy the Truck Around the Engine

A desirable 5.9 Cummins can still sit in a worn-out truck. Identify the generation, verify the repair history, and inspect the chassis before paying for the badge.

Oct 5, 20263 min read10

Guide/Badass Diesels Club

6.6 Duramax Maintenance: Make the Service Log Mean Something

Use the correct Duramax supplement, verify what the reminders track, and document service clearly. A practical maintenance baseline for a used Chevrolet or GMC HD.

Oct 2, 20263 min read20

Guide/Badass Diesels Club

6.6 Duramax Problems: How to Read Symptoms and Repair Records

A rough start or exhaust warning is a symptom, not a parts order. Learn how to assess a used 6.6 Duramax by its exact engine and documented repair history.

Sep 30, 20263 min read10

Guide/Badass Diesels Club

6.6 Duramax Buyer’s Guide: Identify the Truck Before the Deal

A Duramax listing needs more detail than displacement and an Allison badge. Verify the engine, truck configuration, service history, and condition before buying.

Sep 28, 20263 min read20

Guide/Badass Diesels Club

6.7 Cummins Maintenance: Get the Service Details Right

Match oil, fuel filters, and the rest of your Ram’s service plan to its year and workload. A practical guide to records, intervals, and missing maintenance.

Sep 25, 20263 min read30

Guide/Badass Diesels Club

6.7 Cummins Reliability: Questions Behind the Warning Lights

Repeated exhaust messages, hard starts, and unexplained repairs need context. Here is how to assess 6.7 Cummins problems without guessing at expensive parts.

Sep 23, 20263 min read30

Guide/Badass Diesels Club

6.7 Cummins Buyer’s Guide: Find the Right Ram for the Job

A Cummins badge is only the start. Match the Ram’s year, transmission, payload, maintenance history, and inspection results to the work you need it to do.

Sep 21, 20263 min read20

Guide/Badass Diesels Club

6.7 Power Stroke Maintenance: Build a Baseline You Can Trust

A used Super Duty needs more than a fresh oil change. Build a clear record of filters, fluids, inspections, and the service schedule for its actual use.

Sep 18, 20263 min read20

Guide/Badass Diesels Club

6.7 Power Stroke Problems: What the Symptoms Actually Tell You

Hard starts, coolant loss, and exhaust warnings need different investigations. Use this 6.7 Power Stroke symptom guide before accepting a diagnosis or a deal.

Sep 16, 20263 min read20

Guide/Badass Diesels Club

6.7 Power Stroke Buyer’s Guide: Look Past the Trim Package

The right Super Duty starts with records, a cold inspection, and the capacity for your actual load. Here is how to narrow a 6.7 Power Stroke shortlist.

Sep 14, 20263 min read20

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