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Caterpillar C6.6 Engine Engine

Name: Caterpillar C6.6 Engine
Brand: Caterpillar

The Caterpillar C6.6 is a 6.6 L 6-cylinder turbocharged, air-to-air aftercooled engine rated at 1800 rpm. It powers generator sets from Caterpillar, including the C6.6 Generator Set, D125, D150 and D175. It holds 16.5 L (4.4 gal) of oil and 21 L (5.5 gal) of coolant.

6.6 L

Displacement

Cylinders

1800 rpm

Rated speed

16.5 L

Oil capacity

Engine specifications

Oil capacity	16.5 L
Coolant capacity	21.0 L
Displacement	6.6 L
Cylinders	6
Aspiration	Turbocharged, Air-to-Air Aftercooled
Rated speed	1800 rpm

Generator sets powered by this engine

Caterpillar C6.6 Generator SetCaterpillar D125Caterpillar D150Caterpillar D175

Aftermarket parts that fit this engine

302-0408 FridayParts $65.99 3056E woodline $3.85 924H yemparts $48.94 928H yemparts $88.60 930G yemparts $53.16 966H yemparts $129.53 327-6125 yemparts $50.42 327-8515 yemparts $50.42 988K yemparts $50.42 105-4849 FridayParts $82.99 914G yemparts $42.24 924G yemparts $43.48 950H yemparts $58.17 972G yemparts $49.44 428-6700 FridayParts $59.99 930M find 924K yemparts $63.76 930K yemparts $52.47 938K yemparts $63.76 926M find 938M find 334-8049 FridayParts $56.69 3508B yemparts $32.22 777E yemparts $54.51 773E yemparts $70.88 771D yemparts $62.40 775D yemparts $62.40 109-7041 FridayParts $44.00 928HZ yemparts $40.62 938G yemparts $81.78 334-5409 FridayParts $69.99 776D yemparts $66.79 784C yemparts $66.79 621G yemparts $44.95 623G yemparts $92.01 627G yemparts $80.13 631D yemparts $84.78 3005-24V yemparts $122.67 3E-7586 FridayParts $89.99 105-4850 FridayParts $89.99 970F yemparts $31.48 924F FridayParts $78.60 928F yemparts $54.51 936F yemparts $54.51 392-4634 FridayParts $95.45 966M find 972M find 980M find 990K atldiesel $27.69 201-5464 FridayParts $68.99 120M find 140M find 160M find 344-3456 FridayParts $121.60 344-3455 FridayParts $121.60 9G-5315 FridayParts $73.99 235B yemparts $28.62 950F yemparts $52.61 962H yemparts $58.17 9W-7216 FridayParts $68.41

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 oil capacity of the Caterpillar C6.6?

The Caterpillar C6.6 engine has an oil capacity of 16.5 liters.

What is the displacement of the Caterpillar C6.6?

The Caterpillar C6.6 has a displacement of 6.6 liters with 6 cylinders.

Which generators use the Caterpillar C6.6 engine?

The Caterpillar C6.6 powers 4 generator set(s), including Caterpillar C6.6 Generator Set, Caterpillar D125, Caterpillar D150, Caterpillar D175.