Since trucks vary a lot (light-duty pickups vs heavy-duty commercial trucks), hereβs a general breakdown:
π Truck Fuel Tank Capacities
1. Pickup Trucks (Light-Duty)
- Ford F-150: 23 β 36 gallons (87 β 136 liters)
- Chevrolet Silverado 1500: 24 β 34 gallons (91 β 129 liters)
- Toyota Tundra: 22 β 38 gallons (83 β 144 liters)
2. Medium-Duty Trucks
- Ford F-650 / F-750: 50 β 115 gallons (189 β 435 liters)
- Isuzu NPR: ~30 β 55 gallons (113 β 208 liters)
3. Heavy-Duty Semi Trucks (18-Wheelers)
- Usually two tanks on each side.
- Freightliner / Kenworth / Volvo / Peterbilt:
- 100 β 150 gallons (378 β 568 liters) per tank.
- Total capacity: 200 β 300 gallons (757 β 1,135 liters).

4. Special Heavy Trucks
- Mining dump trucks (e.g., Caterpillar 797F): ~1,000 gallons (3,785 liters).
- Military or long-haul trucks: Can have extended-range tanks up to 1,200+ gallons.

β Summary:
- Pickups: 20β40 gallons
- Medium-duty: 30β115 gallons
- Heavy-duty semis: 200β300 gallons (two tanks)
- Super heavy/military: 500β1,200+ gallons
