Rebuild Engine Cat C4.2 Assembly Motor 324-4039

Part Name: Complete Engine Assembly Rebuild

Part Number: 324-4039

Engine Model: CAT C4.2

Machine Model: Commonly used in Caterpillar Compact and Mid-Size Excavators (confirm fitment for models like CAT 312D, 314D, 315D, etc.)

Engine Type: 4-cylinder, 4.2L, Turbocharged, Water-Cooled Diesel Engine

Application: Construction and earthmoving machinery – built for durability and fuel efficiency in compact to mid-range excavators, power units, and auxiliary systems

Function & Performance

The CAT C4.2 engine is a 4-cylinder, turbocharged diesel engine with a displacement of 4.2 liters, designed to deliver powerful performance in compact excavators and utility equipment. Key features include:

Rated power output: approx. 92–110 hp (68–82 kW) depending on application and tuning

Turbocharged and aftercooled to provide enhanced combustion efficiency and improved altitude performance

Direct injection fuel system for precise fuel control and reduced emissions

Durable cast iron block and wet-sleeve design for long-term service life

Designed to comply with global emissions regulations, including Tier 3 / EU Stage IIIA depending on build

🔧 Rebuild Quality Assurance

This engine assembly is professionally rebuilt or supplied as an OEM replacement, with every unit going through a rigorous process to ensure performance and reliability:

Complete teardown, cleaning, and inspection of block, head, and rotating assembly

OEM-grade components installed, including pistons, liners, bearings, gaskets, and injectors

Turbocharger and fuel injection system tested and rebuilt or replaced

Final assembly dyno-tested to confirm power output, oil pressure, injector timing, and cooling system performance

Complies with OEM factory tolerances for drop-in fit and performance

Backed by strict quality checks and post-build reporting