Oil capacity: 22 L (23.2 US qt) on all 2 variants listed. The Doosan DP158 engine line groups 3 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Variant | Displacement | Cylinders | Rated rpm | Oil capacity | Coolant |
|---|---|---|---|---|---|
| DP158 LC | 15 L | 8 | 1,500 | 22 L (23.2 qt) | 20 L |
| DP158 LD | 14.6 L | 8 | 1,500 | 22 L (23.2 qt) | 79 L |
Each figure is from that variant’s own documents (see its engine page for sources). Oil capacity can differ between applications of the same engine; check the manual for your generator set.
Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.