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CAT 3412 heavy-duty V-12 diesel engine 750hp
CAT 3412 heavy-duty V-12 diesel engine 750hp - Image 2

CAT 3412 heavy-duty V-12 diesel engine 750hp

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The CAT 3412 isa heavy-duty, V-12 diesel engine known for its high horsepower output, specifically reaching up to 750 horsepower (551 bkW). It’s a popular choice for powering various applications like bulldozers, haul trucks, and marine vessels. The engine is recognized for its reliability, durability, and ability to deliver consistent power under demanding conditions. 

Here’s a more detailed look:
  • Heavy-Duty Design:

    The 3412 is built with robust components designed to withstand the rigors of demanding applications. 

  • V-12 Configuration:

    Its V-12 design contributes to its high power output and smooth operation. 

  • High Horsepower:

    The engine can generate up to 750 bhp (551 bkW), making it suitable for powering large and heavy equipment. 

  • Applications:

    The 3412 is used in a wide range of applications, including: 

    • Off-highway equipment: Bulldozers, scrapers, haul trucks, dump trucks. 
    • Industrial applications: Mining, drilling, oilfield, agricultural, forestry, and construction equipment. 
    • Marine vessels: Commercial fishing vessels, tugboats, and some luxury yachts. 
  • Reliability and Durability:

    The 3412 is well-regarded for its long-term reliability and ability to maintain performance over extended periods, even in harsh environments. 

  • Fuel Efficiency:
    The engine offers a good balance of fuel consumption and power output, making it a cost-effective choice for many users.
A 750 hp (559 kW) Caterpillar 3412 engine is a 12-cylinder, four-stroke, water-cooled V12 diesel engine with a 27.0 L (1648 cubic inch) displacement, featuring a 137 mm (5.4 in) bore and 152 mm (6 in) stroke. This engine is known for its durability and is suitable for various heavy-duty industrial, marine, and oil & gas applications, typically operating at around 1800-2100 RPM and featuring mechanical or electronic governors.
 

General Specifications 

  • Engine Type: V12, 4-stroke, water-cooled diesel engine.
  • Configuration: 60° V12 configuration.
  • Displacement: 27.0 liters (1,648 cubic inches).
  • Bore: 137 mm (5.4 inches).
  • Stroke: 152 mm (6.0 inches).
  • Aspiration: Turbocharged and aftercooled (ATAAC or JWAC).
  • Fuel System: Mechanical direct injection.
Performance
  • Horsepower: 750 hp (559 kW) is a specific rating within the engine’s potential range, which can go higher depending on the specific model and tuning. 
  • Rated RPM: Typically operates in the range of 1800 to 2100 RPM for different applications. 
  • Torque: High torque output, often up to 3,400 lb-ft or more at specific RPMs. 
Key Features
  • Durability: Engineered for long service intervals and reduced downtime under heavy-duty usage. 
  • Versatility: Used in a wide range of applications, including industrial power generation, oil and gas, construction equipment, and marine propulsion. 
  • Reliable Combustion: Designed for high performance and reliable operation. 

Cooling & Lubrication 

  • Cooling: Uses a gear-driven centrifugal water pump.
  • Lubrication: Full-pressure lubrication system.

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