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Cat 3116 Diesel Engine Assembly for Caterpillar Excavators Loaders

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  • 3116

  • Caterpillar

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Product Overview: Cat 3116 Industrial Diesel Engine

The Cat 3116 is a classic, 6.6-liter inline-six-cylinder diesel engine renowned for its robust mechanical design, outstanding reliability, and versatile application across multiple industries. Although no longer in production, it remains a highly valued power source worldwide due to its mechanical simplicity, durable construction, and cost-effective operation, making it a trusted choice for demanding environments.

Core Specifications at a Glance

The following table summarizes the key technical data for the 3116 engine platform:

Feature Specification
Configuration In-line 6 Cylinder, 4-Stroke Diesel
Displacement 6.6 L (402 cu in)
Aspiration Naturally Aspirated or Turbocharged-Aftercooled
Power Output 127 - 261 kW (170 - 350 HP)*
Peak Torque Up to 950 Nm (700 lb-ft)
Fuel System Mechanical Unit Injection (MUI)
Emissions Compliance Pre-2000s standards (Tier 0/1 equivalent)

Note: Power varies significantly by configuration (e.g., industrial, marine, truck).

Primary Equipment & Applications

The Cat 3116 engine is a highly adaptable power plant found in a wide array of equipment:

  • Construction & Earthmoving: Early-model excavators (e.g., Cat 320, 325), wheel loaders (e.g., Cat 928G, 930G), and other heavy machinery.

  • On-Highway Trucks: Medium-duty trucks such as GMC TopKick, Chevrolet Kodiak, and Ford F-Series (F600-F750).

  • Industrial & Power Generation: Stationary generator sets, air compressors, and industrial pumps.

  • Marine Applications: Auxiliary power and propulsion for small commercial vessels and workboats.

Core Technologies & Features

  • Mechanical Fuel System: The engine utilizes a reliable Mechanical Unit Injection (MUI) system. Its (medium-pressure injector) operates between 40-120 MPa, known for durability and easier maintenance compared to modern electronic systems.

  • Durable Core Structure: Built with a cast-iron cylinder block and head, a forged steel crankshaft, and wet cylinder liners for exceptional longevity and ease of rebuild.

  • Turbocharged Performance: Most configurations are turbocharged and aftercooled, providing a strong power-to-weight ratio and responsive torque.

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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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