2011 Ford F450 Super Duty Crew Cab Diesel Supplement 5th Printing - Page 43
2011 Ford F450 Super Duty Crew Cab Manual
Page 43 highlights
Maintenance and Specifications 6. it is best to maintain the oil level within the crosshatch area on the dipstick by adding oil as required. The lower hole is the minimum oil level and the upper hole is the maximum oil level. Do not overfill. The distance from the lower hole (oil minimum) to the upper crosshatch area on the dipstick represents 1.0 quart (.95L). Engine oil specifications To help achieve acceptable engine performance and durability, it is important that only engine oils of good quality are used in your diesel engine and it is changed at the recommended interval. For normal or severe service, use Motorcraft oil or an equivalent oil conforming to Ford specifications as listed in the Maintenance product specifications and capacities section in this chapter or API service categories CJ-4 or CJ-4/SM. It is important to use these oils because they are compatible with the emission control equipment of your vehicle to meet the more stringent emission standards. The use of correct oil viscosities for diesel engines is important for satisfactory operation. Determine which oil viscosity best suits the temperature range you expect to encounter for the next service interval from the following SAE viscosity grade chart. 43 2011 Diesel (eco) Supplement, 5th Printing USA (fus)