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Caterpillar C18 Engine Engine

Name: Caterpillar C18 Engine
Brand: Caterpillar

The Caterpillar C18 is a 18.13 L 6-cylinder air-to-air aftercooled engine rated at 1800 rpm, producing up to 515 kW. It powers generator sets from Caterpillar, including the XQ1140. It holds 20.8 L (5.5 gal) of coolant.

18.13 L

Displacement

Cylinders

1800 rpm

Rated speed

515 kW

Gross power

Engine specifications

Coolant capacity	20.8 L
Displacement	18.13 L
Cylinders	6
Aspiration	Air-to-Air Aftercooled
Rated speed	1800 rpm
Gross power	515 kW

Generator sets powered by this engine

Caterpillar C18Caterpillar XQ1140

This engine also powers 192 machine(s) on Power Equipment Info.

Aftermarket parts that fit this engine

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

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

Common questions

What is the displacement of the Caterpillar C18?

The Caterpillar C18 has a displacement of 18.13 liters with 6 cylinders.

Which generators use the Caterpillar C18 engine?

The Caterpillar C18 powers 2 generator set(s), including Caterpillar C18, Caterpillar XQ1140.