
An oil change interval of Every 200 Service Hours or every six months is required when the following
conditions occur:
Caterpillar oil, API Specification CI-4, CH-4 or CG-4 multigrade oil is not used.
The altitude exceeds 2300 m (7545 ft).
Sulfur content in the fuel is between 0.50% and 1.00%.
An oil change interval of Every 125 Service Hours is required when the following condition occurs:
Sulfur content in the fuel is above 1.00%.
Refer to the results of the S·O·S oil analysis in order to determine if the oil change interval should be
decreased. Consult your Caterpillar Dealer for detailed information regarding the optimum oil change
interval.
1. Open the engine access door. Refer to Operation and Maintenance Manual, "Access Doors and
Covers".
2. Tilt the radiator upward. Refer to Operation and Maintenance Manual, "Radiator Tilting".
Illustration 1 g01022394
3024 engine
Note: The crankcase drain is located on the right side of the oil pan.
3. Pull the drain hose for the crankcase through the opening in the rear of the machine and remove the
plug in the end of the drain hose. Open the crankcase drain valve and drain the oil into a suitable
container. Close the crankcase drain valve. Install the plug in the drain hose.