Caterpillar C11 Diesel Engine – Industrial / Oilfield Configuration

Nameplate Information (Verified from Photo)

• Manufacturer: Caterpillar

• Engine Model: CAT C11

• Serial Number: GLS00833

• Arrangement Number (AR): 236-4577

• Performance Specification: 0K-4908

• ECM Software: 254-9997

• Electronics Group: Electronic GP

• Fuel Intercept (FLS): 6

• Fuel Slope (FTS): -10

• Maximum Speed Class: 1007 M

• Maximum Altitude Rating: 3,304 ft

Power Rating (Tag-Confirmed)

• Rated Power: 450 HP (335.5 kW)

• Rating Type: Industrial

• Tag note: “Use service tool to verify current engine settings”

Engine Platform Specifications (CAT C11 – Standard)

General

• Configuration: Inline 6-cylinder

• Cycle: 4-stroke diesel

• Aspiration: Turbocharged & aftercooled

• Fuel System: Electronic Unit Injection

• Engine Management: CAT ADEM ECM

• Duty Rating: Continuous industrial / oilfield service

Mechanical

• Displacement: 680 in³ (11.1 L)

• Bore: 5.1 in (130 mm)

• Stroke: 5.9 in (150 mm)

• Compression Ratio: ~16.5:1

• Firing Order: 1-5-3-6-2-4

• Rotation: Counterclockwise (flywheel end)

Speed & Torque (Typical for 450 HP Rating)

• Rated Speed: 1800 – 2100 RPM (ECM dependent)

• Peak Torque: ~1,400 – 1,600 lb-ft

• Torque Rise: ~30%

Cooling & Lubrication

• Cooling: Jacket water cooled

• Lubrication: Full-pressure system

• Oil Capacity: ~8 – 10 gallons