Caterpillar C27 Diesel Engine – Specifications

(Industrial / Oilfield Configuration)

General

• Manufacturer: Caterpillar

• Engine Model: C27

• Engine Type: V-12, 4-stroke diesel

• Aspiration: Turbocharged & aftercooled

• Fuel Type: Diesel

• Fuel System: Electronic Unit Injection (ACERT)

• Engine Management: CAT ADEM ECM

• Duty Rating: Continuous heavy-duty industrial / oilfield service

Performance (Typical Industrial Ratings)

(Exact rating depends on arrangement & ECM program)

• Rated Power: 700 – 800 HP

• Rated Speed: 1,800 – 2,100 RPM

• Peak Torque: ~2,600 – 3,000 lb-ft

• Torque Rise: ~30%

Common Oilfield Ratings

• 700 HP @ 1,800 RPM

• 750 HP @ 1,800 RPM

• 800 HP @ 2,100 RPM

Engine Specifications

• Configuration: V-12

• Displacement: 1,649 in³ (27.0 L)

• Bore: 5.4 in (137 mm)

• Stroke: 6.0 in (152 mm)

• Compression Ratio: ~16.0:1

• Firing Order: Caterpillar V-12 standard

• Rotation: Counterclockwise (flywheel end)