Maintenance and Fluid Information for 2012 Isuzu FXR 1000 Isuzu SITEC III
An oil change on the 2012 Isuzu FXR 1000 Isuzu SITEC III starts with selecting the right lubricant. The catalog lists these engine-oil viscosity grades: 15W-40 and 5W-40. The matching product listings include Heavy-Duty Synthetic Diesel Oil 15W-40, Signature Series Max-Duty Synthetic Diesel Oil 15W-40, Signature Series Max-Duty Synthetic Diesel Oil 5W-40. The grade alone is not the whole specification, so check the manufacturer’s requirements before making your selection.
What oil viscosity is listed for my 2012 Isuzu FXR 1000 Isuzu SITEC III?
The engine-oil viscosities listed for this vehicle are 15W-40, 5W-40.
How often should I change the oil in my 2012 Isuzu FXR 1000 Isuzu SITEC III?
Use the manufacturer’s maintenance schedule for this engine and operating conditions. The available application data does not establish an exact oil-change interval.

