The Cat® C4.4 Reman Long Block (20R-9143) is a fully remanufactured engine solution designed for the Cat® C4.4 engine. This long block assembly includes all major engine components, such as the cylinder block, cylinder head(s), pistons, crankshaft, camshaft, connecting rods, valves, and other necessary components, remanufactured to meet original Caterpillar specifications. It offers a cost-effective alternative to purchasing a new engine while ensuring that your equipment performs at peak efficiency. The 20R-9143 is engineered for maximum durability, fuel efficiency, and power, making it suitable for a wide range of industrial and commercial applications.

Features

• Remanufactured to Caterpillar Standards: Every component is remanufactured to meet or exceed Caterpillar’s high-quality standards, ensuring optimal engine performance and long-term reliability.
• Complete Long Block Assembly: Includes a complete engine assembly that consists of a cylinder block, cylinder head(s), pistons, crankshaft, camshaft, connecting rods, valves, and other critical components—pre-assembled and ready for installation.
• Pre-Installed Gaskets and Seals: Comes with pre-installed gaskets, seals, and other required components, reducing the installation time and minimizing the chance of errors.
• Thorough Performance Testing: Each long block is subjected to rigorous performance testing to ensure that it delivers the same level of power and reliability as a new engine.
• Cost-Effective: Offers a more affordable option for engine replacement, helping reduce overall maintenance costs.
• Sustainability: The remanufacturing process contributes to environmental sustainability by reducing waste and conserving resources.

Benefits

• Restores Engine Performance: Fully remanufactured to restore engine performance to factory specifications, improving power output, fuel efficiency, and operational performance.
• Extended Engine Life: Designed to extend the service life of the engine, allowing for reliable performance over many years.
• Improved Fuel Economy: Enhances engine efficiency, resulting in better fuel economy and lower operational costs.
• Cost-Saving Solution: A more affordable option than purchasing a brand-new engine while still maintaining Caterpillar’s high standards for reliability and performance.
• Minimized Downtime: Pre-assembled and ready for installation, reducing the time required for replacement and minimizing downtime in your operations.
• Durability and Reliability: Built to withstand the demands of heavy-duty applications, ensuring long-term durability and reliable performance.

Kit Contents

For the complete list of components, please refer to the product documentation.

Compatible Engine S/N

• Compatible with Cat® C4.4 Engine Serial Numbers. Please refer to product documentation or consult your Caterpillar dealer for a full list of compatible engine serial numbers.

Horsepower Range

• 120 - 175 HP, depending on configuration and application.

Compatible Model List

For a complete list of compatible models, please refer to the product documentation or consult with your Caterpillar dealer.

Part Specifications

• Part Number: 20R-9143
• Manufacturer: Caterpillar

Compatible Machine & Models: