The Caterpillar CM46 engine line groups 12 variant designations. Parts and
fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
Generator sets using this engine family
12Caterpillar 12CM46DFCaterpillar 16CM46DFCaterpillar 6CM46DFCaterpillar 7CM46DFCaterpillar 8CM46DFCaterpillar 9CM46DFMaK 12 M 46 DFMaK 16 M 46 DFMaK 6 M 46 DFMaK 7 M 46 DFMaK 8 M 46 DFMaK 9 M 46 DF