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Caterpillar C18 Engine Family 2 variants

The Caterpillar C18 engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.

Variants in this family

C18 C18 ATAAC

Generator sets using this engine family

Caterpillar C18Caterpillar C18 DF2RCaterpillar C18-20' XQ600Caterpillar DM8518Caterpillar DM9628Caterpillar DM9824Caterpillar DM9825Caterpillar LEHE0483-00Caterpillar XQ1140

Parts cataloged across the Caterpillar C18 family

Part #	Description	Category
888-983-7847	ENGINE BLOCK CRANKSHAFT	other_service
A100	Download Specification	other_service
g00284658	Illustration 17 EPA Emissions Certiﬁcation Film	other_service
g00415538	Illustration 18 European Emissions Certiﬁcation Film	other_service
g00702020	Illustration 4	other_service
g00704000	Illustration 8	other_service
g00704059	Illustration 9	other_service
g00771448	Grounding Practices	other_service
g01054560	Illustration 23 Typical performance monitor panel	other_service
g01054562	Illustration 24 Typical performance monitor panel for totals	other_service
g01054565	Illustration 25 Typical performance monitor panel for settings	other_service
g01054566	Illustration 26 Typical performance monitor panel for service	other_service
g01065152	Illustration 16 (1) Serial number plate (2) Information plate	other_service
g01233007	Illustration 20	other_service
g01416712	Illustration 1	other_service
g01459611	Illustration 21	other_service
g01459691	Illustration 22 Caterpillar Messenger Display	other_service
i00844066	Emissions Certiﬁcation Film	other_service
i00863835	Self-Diagnostics	other_service
i00911989	Before Starting Engine	other_service
i01103904	Engine Starting	other_service
i01359666	Crushing Prevention and Cutting Prevention	other_service
i01372247	Mounting and Dismounting	other_service
i01372254	Fire Prevention and Explosion Prevention	other_service
i01463253	Diagnostic Lamp	other_service
i01646248	SMCS Code: 1000	other_service
i01658146	Important Safety Information	other_service
i01934760	SMCS Code: 1000; 1401; 1402; 1900	other_service
i01988813	Product Lifting	other_service
i02068367	Product Storage	other_service
i02088692	Plate Locations and Film Locations	other_service
i02109067	SMCS Code: 1000; 1400; 1450	other_service
i02164876	Reference Numbers	other_service
i02469632	Electrical System	other_service
i02496338	Diagnostic Flash Code Retrieval	other_service
i02566298	General Hazard Information	other_service
i02784356	Engine Electronics	other_service
i02840188	Safety Messages	other_service
i02944987	Monitoring System	other_service

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Aftermarket parts that fit this family

3E-0156 sinocmp $29.00 3126B kuduparts $18.00 966D yemparts $52.61 966E yemparts $52.61 950E yemparts $52.61 950B yemparts $52.61 366-9313 FridayParts $39.99 311D yemparts $54.51 312D sinocmp $30.00 314D yemparts $54.51 320D sinocmp $35.00 330D sinocmp $15.00 336D yemparts $34.13 345C yemparts $41.31 345D yemparts $41.31 349D yemparts $37.81 385C yemparts $41.70 390D yemparts $37.81 1W4845 atldiesel $30.39 1W8845 find 245B yemparts $74.42 245D yemparts $54.39 10R-6317 find 440-1616 find 133-0125 FridayParts $488.15 2W-1008 FridayParts $488.15 7C-3039 FridayParts $488.15 771C yemparts $150.37 771D yemparts $62.40 814B yemparts $111.78 824G yemparts $111.78 834B yemparts $90.89 980C yemparts $40.88 988B yemparts $40.88 623E yemparts $252.54 627E yemparts $44.96 4309449 atldiesel $75.80 793F yemparts $98.05 795F yemparts $159.22 797F yemparts $98.05 291-5911 sinocmp $479.00 10R-7230 sinocmp $479.00 631K advancedtruck $1322.00 637K advancedtruck $234.00 657G yemparts $44.95 772G yemparts $85.86 834K find 988K yemparts $50.42 527-5395 yemparts $226.19 374DL yemparts $226.19 365C yemparts $34.13 365CL yemparts $226.19 385CL yemparts $226.19 189-4918 yemparts $5471.40 631E yemparts $44.96 631G yemparts $119.40 633E yemparts $44.96 637E yemparts $44.95 637G yemparts $80.13 657E yemparts $40.88

Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.