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Caterpillar C-12 Engine Engine

The Caterpillar C-12 is a 12 L 6-cylinder turbocharged for ataac1 engine rated at 2100 rpm, producing up to 321 kW. It powers generator sets from Caterpillar, including the C. It holds 36 L (9.5 gal) of oil and 10.2 L (2.7 gal) of coolant.

Also known as: CATERPILLAR® C-12

12.0 L
Displacement
6
Cylinders
2100 rpm
Rated speed
321 kW
Gross power

Engine specifications

Oil capacity36.0 L
Coolant capacity10.2 L
Displacement12.0 L
Cylinders6
AspirationTurbocharged for ATAAC1
Rated speed2100 rpm
Gross power321 kW

Generator sets powered by this engine

1
Caterpillar C

Aftermarket parts that fit this engine

60
3E-0156 PartsGeek sinocmp $29.00 3126B PartsGeek kuduparts $18.00 966D PartsGeek yemparts $52.61 966E PartsGeek yemparts $52.61 950E PartsGeek yemparts $52.61 950B PartsGeek yemparts $52.61 1W4845 PartsGeek atldiesel $30.39 1W8845 PartsGeek 245B PartsGeek yemparts $74.42 245D PartsGeek yemparts $54.39 109-3622 PartsGeek yemparts $725.24 3176C PartsGeek kuduparts $18.00 572R PartsGeek yemparts $113.82 587R PartsGeek yemparts $529.40 D10N PartsGeek yemparts $100.05 D10R PartsGeek yemparts $80.42 657B PartsGeek yemparts $164.26 621G PartsGeek yemparts $44.95 623G PartsGeek yemparts $92.01 627G PartsGeek yemparts $80.13 133-0125 PartsGeek FridayParts $488.15 2W-1008 PartsGeek FridayParts $488.15 7C-3039 PartsGeek FridayParts $488.15 771C PartsGeek yemparts $150.37 771D PartsGeek yemparts $62.40 814B PartsGeek yemparts $111.78 824G PartsGeek yemparts $111.78 834B PartsGeek yemparts $90.89 980C PartsGeek yemparts $40.88 988B PartsGeek yemparts $40.88 623E PartsGeek yemparts $252.54 627E PartsGeek yemparts $44.96 10R-1264 PartsGeek advancedtruck $1099.00 3508B PartsGeek yemparts $32.22 3512B PartsGeek yemparts $32.22 3516B PartsGeek yemparts $32.22 7G-7889 PartsGeek sinocmp $329.00 225-8758 PartsGeek FridayParts $89.99 3406E PartsGeek atldiesel $0.34 334-5410 PartsGeek FridayParts $59.85 621H PartsGeek sinocmp $99.00 621K PartsGeek sinocmp $89.00 623H PartsGeek sinocmp $105.00 627H PartsGeek yemparts $124.09 200-2279 PartsGeek FridayParts $74.58 189-1814 PartsGeek FridayParts $55.39 3406C PartsGeek atldiesel $0.73 3406B PartsGeek atldiesel $0.22 6L-8617 PartsGeek atldiesel $9.99 3L-2866 PartsGeek FridayParts $39.59 231D PartsGeek yemparts $45.87 924F PartsGeek FridayParts $78.60 142-1987 PartsGeek FridayParts $75.99 9G-5313 PartsGeek FridayParts $84.20 16HNA PartsGeek 236-4610 PartsGeek 950H PartsGeek yemparts $58.17 938H PartsGeek yemparts $68.14 972H PartsGeek sinocmp $69.00 988H PartsGeek sinocmp $79.00

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 C-12?

The Caterpillar C-12 engine has an oil capacity of 36.0 liters.

What is the displacement of the Caterpillar C-12?

The Caterpillar C-12 has a displacement of 12.0 liters with 6 cylinders.

Which generators use the Caterpillar C-12 engine?

The Caterpillar C-12 powers 1 generator set(s), including Caterpillar C.