How many gallons of diesel does a Chevy 3500 hold?
The typical diesel-powered Chevrolet Silverado 3500HD holds 36 gallons of diesel in its main fuel tank. Exact capacity can vary by cab/bed configuration and model year, so it’s best to check your specific vehicle’s documentation.
Standard tank capacity
Understanding the baseline helps set expectations for range and refueling intervals. Most Silverado 3500HD trucks equipped with a Duramax diesel use a 36-gallon tank.
- Typical capacity: 36 gallons (136 liters).
- The fuel-tank size is listed on the vehicle’s window sticker and in GM’s official specifications for the year and trim.
- Some very old or specialty configurations may differ; always verify for your exact truck.
In practical terms, a 36-gallon tank provides substantial driving range under diesel-powered heavy duty use, with real-world range affected by load, terrain, and driving style.
How to verify the capacity for your specific truck
To confirm the exact tank size for your Silverado 3500HD, check the following sources:
- Door jamb or glovebox window sticker for the fuel-tank capacity.
- Owner’s manual and the vehicle’s VIN-specific GM specification sheet.
- Chevrolet’s official website or dealership data for your year, cab, and bed configuration.
If you don’t have access to the vehicle, contacting a Chevrolet dealership with the VIN will yield the exact tank capacity for that truck.
Notes on variations
While 36 gallons is the standard for most Silverado 3500HD diesels, always verify for your exact configuration, as there can be minor changes across model years or special editions.
Summary
In short, a Silverado 3500HD with a Duramax diesel typically holds 36 gallons of diesel in its main fuel tank. Always confirm with the vehicle’s documentation to account for any year-to-year or configuration differences. This capacity supports a strong range for towing and heavy-duty driving when fueled by diesel.
