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TECHNICAL SPECIFICATIONS
ENGINE FLUIDS AND LUBRICANTS
6.4L GASOLINE ENGINE
Cooling System
6.7L Engine Chassis Cab 3500/4500 with AS69RC
22.3 Quarts
21.1 Liters
6.7L Engine Chassis Cab 5500 with AS69RC
22.8 Quarts
21.6 Liters
US
Metric
Component
Fluid, Lubricant, or Genuine Part
Engine Coolant
We recommend you use Mopar Antifreeze/Coolant 10–Year/150,000 Mile (240,000 km)
Formula OAT (Organic Additive Technology).
Engine Oil – 6.4L Engine
For best performance and maximum protection under all types of operating conditions, the
manufacturer only recommends full synthetic engine oils that meet the American Petroleum
Institute (API) categories of SN. The manufacturer recommends the use of Pennzoil Ultra
0W-40 or equivalent Mopar engine oil meeting the requirements of FCA Material Standard
MS-12633 for use in all operating temperatures.
Engine Oil Filter – 6.4L Engine
We recommend you use a Mopar Engine Oil Filter. If a Mopar Engine Oil Filter is unavailable
only use filters that meet or exceed SAE/USCAR-36 Filter Performance Requirements.
Fuel Selection – 6.4L Engine
87 Octane (R+M)/2 Method, 0-15% Ethanol (Do not use E-85).
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