Caterpillar 349D Diesel Engine – Powerful and Durable Excavator Power

The Caterpillar 349D engine is specifically designed for the CAT 349D hydraulic excavator. This robust diesel engine delivers exceptional horsepower and torque, ensuring reliable and efficient performance in demanding earthmoving, construction, and mining operations.

Equipped with advanced fuel injection, turbocharging, and a water-cooled system, the 349D engine provides smooth operation, excellent fuel efficiency, and reduced emissions. Its reinforced internal components and heavy-duty construction guarantee durability and long-term reliability even under continuous heavy-load conditions.

Ideal for OEMs and operators who require maximum power, efficiency, and durability for large hydraulic excavators.

⭐ Key Features

• High-Performance Diesel Engine
  Provides strong torque and horsepower for heavy-duty excavation and construction work.

• Fuel Efficient & Reliable
  Optimized combustion and fuel injection systems reduce fuel consumption and operating costs.

• Durable Construction
  Heavy-duty block, pistons, and crankshaft ensure long service life.

• Smooth and Stable Operation
  Low vibration and noise improve operator comfort and equipment longevity.

• Easy Maintenance
  Accessible service points and global CAT support ensure fast and convenient servicing.

⭐ Technical Specifications

• Engine Model: CAT 349D Engine

• Configuration: 6-cylinder, inline, 4-stroke diesel

• Displacement: Approx. 18–19 liters (depending on version)

• Cooling System: Water-cooled

• Aspiration: Turbocharged / Turbocharged & Aftercooled

• Power Output: Approx. 240–350 kW (320–470 hp, depending on version)

• Torque: High low-end torque for efficient earthmoving operations

• Emission Level: EPA / EU compliant versions available

• Starting System: 12V / 24V electric start

⭐ Applications

• CAT 349D hydraulic excavators

• Large-scale construction machinery

• Mining and quarry operations

• Industrial equipment requiring heavy-duty diesel power