The CAT 3412 is a heavy-duty, V-12, four-stroke cycle diesel engine known for its power, reliability, and versatility across various applications, including marine, industrial, and power generation. Specifications vary by specific model and application, but common features include a bore of 137 mm, a stroke of 152 mm, a displacement of 27 liters, and a compression ratio of 13.0:1. Power output can range from approximately 476 bkW to 1400 hp depending on the configuration and application.
Key Specifications and Features:
Engine Configuration:V-12, 4-stroke cycle diesel.
Cylinder Bore:137 mm (5.4 in).
Piston Stroke:152 mm (6 in).
Displacement:27 Liters (1648.86 in³).
Compression Ratio:Typically 13.0:1 for diesel models, and 9.7:1 for G3412 gas models.
Aspiration:Turbocharged and Aftercooled (TA) for most diesel variants.
Rated Speed:Varies by application, commonly 1800 rpm for power generation and 2300 rpm for marine applications.
Power Output:Ranges from approximately 476 bkW (638 bhp) for fire pump applications to 1400 hp (1044 kW) for marine use, depending on the model and rating.
Cooling Method:Water-cooled.
Governor Type:Can be mechanical (Woodward EG3P) or electronic (ADEM™ A5) depending on the model.
Weight:Around 2,533 kg (4720 lb) for dry weight in some configurations.
Applications:Widely used in marine propulsion, tugboats, cargo vessels, industrial machinery, mining equipment, and power generation
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