Diesel maintenance, demystified
Keep your diesel running — trucks, big rigs, and equipment.
Charleston Diesel is a no-nonsense maintenance resource for diesel pickup trucks, heavy trucks, and off-road equipment. Service intervals, troubleshooting, and how-to guides from working diesel techs in the Lowcountry.
Diesel Pickup Trucks
Power Stroke, Cummins, and Duramax maintenance — oil intervals, DPF regen, fuel systems, towing, and the fixes that keep a 3/4- and 1-ton diesel on the road.
1 guide →Heavy Trucks
Class 7 and 8 preventive maintenance, DOT inspections, aftertreatment and DEF, air brakes, and drivetrain service for working trucks.
1 guide →Equipment
Excavators, loaders, generators, and off-road diesels — hour-based service, hydraulics, fluids, and seasonal storage that protects your investment.
1 guide →Latest guides
- Diesel Pickup Oil Change Intervals: Power Stroke, Cummins & Duramax
How often to change the oil in a diesel pickup, why the interval differs from gas, and how towing and short trips change the math.
- Heavy Truck PM Schedule Basics: A, B, and C Service Explained
What an A/B/C preventive-maintenance schedule covers on a Class 7–8 truck, typical intervals, and how to keep a DOT inspection from sidelining you.
- Hour-Based Service Intervals for Diesel Equipment
Why excavators, loaders, and generators are serviced by engine hours instead of miles — and the intervals that protect your investment.