• Model: WA 430 Models
  • Manufactured by: Komatsu
$16.99

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Komatsu 6D125-3 Diesel Engine: Epitomizing Power, Performance, and Efficiency



The Komatsu 6D125-3 Diesel Engine stands as a testament to engineering excellence, embodying an unrivaled combination of power, performance, and efficiency. Designed to empower a diverse range of applications, from construction and mining to marine propulsion and power generation, this exceptional engine sets the benchmark for diesel engine technology.

Advanced Fuel Injection System

At the heart of the 6D125-3 lies its advanced fuel injection system, meticulously engineered to optimize combustion efficiency and minimize emissions. Utilizing high-pressure common rail technology, the engine precisely controls the injection timing and fuel quantity, ensuring optimal performance across the entire operating range.

Turbocharged and Intercooled

Harnessing the power of turbocharging and intercooling, the 6D125-3 delivers exceptional power and torque while maintaining fuel economy. The turbocharger boosts intake airflow, increasing combustion efficiency, while the intercooler effectively cools the compressed air, resulting in denser air charge and enhanced power output.

Electronically Controlled Engine Management

An advanced electronic control system governs the 6D125-3's operation, providing precise control over engine parameters for optimal performance and efficiency. The system monitors and adjusts injection timing, fuel quantity, and turbocharger boost pressure in real-time, ensuring seamless power delivery and reduced emissions.

Durable Construction

The 6D125-3 is built to withstand the rigors of demanding applications, boasting a rugged construction that ensures long-lasting performance. Its rigid cast iron block and forged steel crankshaft provide exceptional strength and durability, while the overhead camshaft design minimizes maintenance requirements.

Compact and Efficient Design

Despite its impressive power output, the 6D125-3 maintains a compact and efficient design, making it an ideal choice for applications where space is at a premium. Its compact dimensions and low weight facilitate easy installation and integration into a wide range of equipment.

Emissions Compliance

The 6D125-3 meets stringent emissions regulations, including Tier 4 Final and EU Stage V, without compromising on performance or reliability. Its advanced exhaust gas recirculation (EGR) system and diesel oxidation catalyst (DOC) effectively reduce NOx and particulate matter emissions, ensuring environmental compliance while maintaining optimal engine operation.

Unparalleled Reliability

The Komatsu 6D125-3 Diesel Engine has a proven track record of reliability, demonstrating exceptional performance and durability in even the most challenging operating conditions. Its robust design and rigorous testing ensure trouble-free operation, minimizing downtime and maximizing productivity.


Download Komatsu 6D125-3 Diesel Engine shop service manual. By having a reliable repair manual you not only save money but get to experience DIY repair your own engine. A repair manual comes with comprehensive details regarding technical data, diagrams, a complete instruction pictures. Even the most novice mechanic can easily follow the step-by-step guides which are made simple by the illustrations and drawings.

The manual includes pictures and easy to follow directions on what tools are needed and how the repair is performed. Just imagine how much you can save by doing simple repairs yourself. You can save anywhere from hundreds if not thousands of dollars in repair bills by using this Komatsu 6D125 Diesel Engine repair manual. Many people buy this manual just to have it around for when the inevitable happens. Sooner or later, maintenance will need to be performed. Be prepared for it when it happens by simply purchasing this service manual for later use! See below for a list of items that most of our manuals cover. Some manuals actually cover more items that are not even listed!

Engine: SAA6D125-3; Machine: WA430-5
Engine: SA6D125-3; Machine: D65EX-15, D65PX-15, D85EX-15, D85PX-15
Engine: SAA6D125-3; Machine: WA470-5, WA480-5, HM300-1, HD255-5
Engine: SAA6D125-3; Machine: PC400-7, PC450-7

Komatsu 6D125 Diesel Engine Manual covered:
- General Information
- Engine Mechanical
- Fuel System
- Exhaust System
- Cooling System
- Lubrication System
- Electrical System
- Intake System
- Preheating System
AND MORE...

File Format: PDF
Language: English
Printable: Yes
Index Mode: Yes
Requirement: Adobe Reader
Compatibility: Windows/ Mac and Linux OS

We 100 Guarantee You Will Love It!!!