How to Procedures 4. If necessary, top off the engine oil by filling no more than 5.0 L (5.2 qt) at a time. Use only Detroit™ approved oil, Refer to section "Synthetic Oils and Additives". Do not overfill as overfilling the oil pan can cause engine damage. How to Select Lubricating Oil How to Select Lubricating Oil Refer to DDC-SVC-BRO-0001 for more information. Detroit Fluids Specification (DFS) DFS 93K223 (API FA-4) or DFS 93K222 (API CK-4) oils are recommended for use in the engine. 80 All information subject to change without notice. Copyright © 2022 DETROIT DIESEL CORPORATION DDC-SVC-MAN-0217