2021 RAM 1500 Owner’s Manual — FLUID CAPACITIES

US

Metric

Fuel (Approximate)

1500 Regular Cab Shortbed/Crew Quad Cab Models

23 Gallons

87 Liters

1500 Regular Cab Shortbed/Crew Quad Cab Models

26 Gallons

98 Liters

1500 Regular Cab Longbed/Crew Quad Cab Models (Optional)

33 Gallons

121 Liters

Engine Oil With Filter

3.6L Engine

5 Quarts

4.7 Liters

5.7L Engine

7 Quarts

6.6 Liters

Cooling System

3.6L Engine

13.7 Quarts

13 Liters

3.6L Motor Generator Unit

1.8 Quarts

1.7 Liters

5.7L Engine

18.3 Quarts

17.3 Liters

Fuel (Approximate)

3.0L Turbo Diesel Engine

26 Gallons

98.5 Liters

Diesel Exhaust Fluid Tank

Tradesman/Rebel Models

5.14 Gallons

19.5 Liters

All Other Models

5.74 Gallons

21.7 Liters

Engine Oil With Filter

3.0L Turbo Diesel Engine

8.5 Quarts

8.0 Liters

Cooling System

3.0L Turbo Diesel Engine

11.6 Quarts

11 Liters