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Caterpillar Complete Engine Assembly Cat C9 for E336D E330d Excavator

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  • C9

  • Caterpillar

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CAT C9 Industrial Diesel Engine: The Proven Power for Demanding Applications

The CAT C9 is a heavy-duty, 8.8-liter, inline 6-cylinder diesel engine renowned for its robust performance, exceptional reliability, and broad application versatility. Engineered to deliver power from 205 to 280 kW (275 to 375 hp), it serves as a dependable prime mover across multiple industries, from construction and agriculture to material handling and power generation. With its advanced fuel system and durable design, the C9 balances high power density with operational efficiency, ensuring maximum uptime and productivity for your equipment.

Technical Specifications

Feature Specification
Model CAT C9 Industrial Diesel Engine
Configuration Inline 6-Cylinder, 4-Stroke
Displacement 8.8 L (537 cu in)
Aspiration Turbocharged and Aftercooled (TA)
Rated Power 205 - 280 kW (275 - 375 bhp) @ 1800-2200 rpm
Peak Torque 1668 Nm @ 1400 rpm
Fuel System HEUI(Hydraulic Electronic Unit Injection)
Control System ADEM A4 Electronic Control Unit (ECU)
Emissions Compliance U.S. EPA Tier 3 / EU Stage IIIA Equivalent (Typical Industrial Rating)
Dimensions (LxWxH) Approx. 1091 x 827 x 1023 mm
Dry Weight Approx. 864 kg

Target Equipment & Applications

The C9 engine is designed for extreme versatility, powering a vast array of industrial and mobile equipment. Key applications include:

  • Construction & Earthmoving: Excavators, wheel loaders, compactors, cranes, and crushers.

  • Agriculture & Forestry: Tractors, combines, harvesters, forage harvesters, chippers, and grinders.

  • Material Handling: Large forklifts, terminal tractors, and port equipment.

  • Power Generation: A reliable prime mover for diesel generator sets in the 200-300 ekW range.

  • Specialized & Marine Applications: Drill rigs, pumps, hydraulic power units, dredgers, and marine auxiliary power.

Core Technologies & Features

The C9's performance is built on a foundation of innovative Caterpillar technologies designed for efficiency and durability:

  1. ACERT Technology with HEUI Fuel System: At its core, the C9 utilizes the advanced Hydraulic Electronic Unit Injection (HEUI) system, a key component of Cat's ACERT technology. This system provides precise, high-pressure fuel injection for optimal combustion, resulting in excellent power delivery, improved fuel efficiency, and reduced emissions.

  2. Intelligent Electronic Control: The engine is managed by the sophisticated ADEM™ A4 Electronic Control Module (ECU). This system enables precise electronic governing, programmable power ratings, automatic altitude and temperature compensation, and comprehensive diagnostic capabilities for optimal performance in varying conditions.

  3. Robust and Serviceable Design: Built for a long service life (B10 life up to 10,000 hours), the C9 features a gear-driven lube system and a simple, efficient turbocharger. Its design facilitates easier maintenance, contributing to a lower total cost of ownership.

  4. Exceptional Power Density & Flexibility: The engine offers an industry-leading range of factory-configurable ratings and options. Its compact package with multiple installation options allows it to fit into equipment with narrow engine compartments, enabling standardization across different machine types.

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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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