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5.9L Cummins Fluid Capacities

Fluid Capacity

  • Fluid Type
    Application
    Standard
    Metric
    Fluid Spec
    Notes
  • Air Cond Refrigerant
    5.9L Eng
    1.85 LBS.
    0.8 KG
    Air Cond Refrigerant
  • Automatic Transmission Fluid
    Trans Mfr CD 48RE Overhaul
    15.00 QTS.
    14.2 L
    Automatic Transmission Fluid

    Automatic Transmission Fluid Plus 4 or equivalent

  • Automatic Transmission Fluid
    Trans Mfr CD 48RE Service Fill
    4.00 QTS.
    3.8 L
    Automatic Transmission Fluid
  • Brake Fluid
    N/A
    N/A
    Brake Fluid
  • Differential Gear Oil
    Front,9 1/4 AA EL
    2.35 QTS.
    2.2 L
    Differential Gear Oil
  • Differential Gear Oil
    Front,9 1/4 AA
    2.35 QTS
    2.2 L
    Differential Gear Oil
  • Differential Gear Oil
    Front,C205F
    1.70 QTS.
    1.6 L
    Differential Gear Oil
  • Differential Gear Oil
    Rear,10 1/2" AA EL
    2.64 QTS.
    2.5 L
    Differential Gear Oil
  • Differential Gear Oil
    Rear, 11 1/2" AA
    3.80 QTS.
    3.6 L
    Differential Gear Oil
  • Differential Gear Oil
    Rear,248-RBI (Model 60)
    2.96 QTS.
    2.8 L
    Differential Gear Oil
  • Differential Gear Oil
    Rear,9 1/4"
    2.20 QTS.
    2.1 L
    Differential Gear Oil

    With TRAC-LOK add 4.0 oz. of Limited-Slip Additive.

  • Engine Coolant
    5.9L Eng
    29.50 QTS.
    27.9 L
    Engine Coolant

    2003 capacity is 18.7 Quarts.

  • Engine Oil
    5.9L Eng w/Filter
    12.00 QTS.
    11.4 L
    Engine Oil

    In ambient temperatures below 0Deg.F (-18Deg.C), 5W-40 synthetic engine oil.

  • Fuel Tank
    8 FT. Bed Len
    35.00 GALS.
    132.5 L
    Fuel Tank
  • Fuel Tank
    R2500,R3500,6.25 FT. Bed Len
    34.00 GALS.
    128.7 L
    Fuel Tank
  • Power Steering Fluid
    N/A
    N/A
    Power Steering Fluid

    Power Steering Fluid capacities are dependent on engine/chassis options as well as steering gear/cooler options. Depending on type and size of internal cooler, length and inside diameter of cooler lines, or use of an auxiliary cooler, these capacities may vary.

  • Transfer Case Fluid
    T/Case Mfr CD NV271 , NV273
    4.00 PTS.
    1.9 L
    Transfer Case Fluid
  • Windshield Washer Fluid
    N/A
    N/A
    Windshield Washer Fluid

    Not radiator antifreeze. Follow the Manufacturer’s Instructions for the mixture ratio.

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