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Genuine Cummins 6C8.3 Series Industrial Diesel Engine 6CT 6CTA 6CTAA8.3

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  • 6C8.3

  • Cummins

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Product Overview 

The Cummins 6C8.3 is a legendary 8.3-liter, 6-cylinder in-line diesel engine known for its simple mechanical design, exceptional power-to-weight ratio, and long-term reliability. Engineered to handle the most demanding heavy-duty environments, the 6C8.3 series (including 6CT, 6CTA, and 6CTAA variants) remains a top choice for industrial, construction, and marine applications worldwide.
Core Technologies & Features 
  • Simple Mechanical Injection: Utilizes a robust mechanical fuel pump (Bosch P7100 style) for easier maintenance and extreme durability in areas with poor fuel quality.

  • Advanced Turbocharging: Equipped with a Holset turbocharger and Charge Air Cooling (Aftercooling) to provide high torque at low RPMs and improved fuel efficiency.

  • Heavy-Duty Block Design: Features a deep-skirted block and high-strength forged steel crankshaft for extended engine life and reduced noise/vibration.

  • Replaceable Wet Cylinder Liners: Designed with wet liners for superior heat dissipation and easier overhaul without machining the block.

  • Fewer Parts Design: Built with roughly 25% fewer parts than competitive engines in its class, reducing potential failure points and lowering service costs.

Technical Specifications 
  • Engine Type: 6-Cylinder, In-line, 4-Stroke

  • Displacement: 8.3 Liters (505 cu in)

  • Bore x Stroke: 114 mm x 135 mm

  • Power Range: 180 HP to 300 HP (134 kW - 224 kW) depending on configuration.

  • Aspiration: Turbocharged & Aftercooled (CTA/CTAA)

  • Emission Standards: Tier 1 / Tier 2 equivalent (Mechanical)

Key Applications 
The 6C8.3 is a versatile workhorse used in a wide range of heavy equipment, including:
  • Construction Machinery: Excavators (e.g., Hyundai, LiuGong), Wheel Loaders, Motor Graders, and Road Rollers.

  • Industrial Power: Heavy-duty Water Pumps, Fire Pumps, and Air Compressors.

  • Power Generation: Reliable prime and standby Generator Sets (G-Drive).

  • Agricultural Equipment: Large Tractors and Combine Harvesters.

  • Commercial Vehicles: Medium-duty trucks, buses, and specialized vocational vehicles.

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KELUO is a company of machinery, engines, used equipment and spare parts founded by Hanhan in combination with HANJIU, Elephant in the industry.
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