Komatsu 140-3 Series Diesel Engine: A Powerhouse of Efficiency and Performance
Introducing the Komatsu 140-3 series diesel engine, a marvel of engineering that delivers exceptional power, efficiency, and reliability. Built to meet the demands of diverse industries, this engine excels in construction, mining, forestry, and marine applications.
Advanced Fuel Injection System
Equipped with Komatsu's advanced fuel injection system, the 140-3 series ensures optimal combustion efficiency. This innovative system precisely controls fuel delivery to each cylinder, resulting in reduced emissions, improved fuel economy, and enhanced engine responsiveness.
Optimized Combustion Chamber Design
The meticulously designed combustion chamber optimizes air-fuel mixing, maximizing energy conversion and minimizing heat loss. This advanced design contributes to the engine's impressive power output and reduced fuel consumption.
Turbocharged Intercooling
Equipped with a robust turbocharger, the 140-3 series delivers increased air density and higher combustion pressures. The intercooling system effectively reduces intake air temperature, enhancing power output and fuel efficiency.
Durable Cylinder Block and Head
The engine's cylinder block and head are constructed from high-strength materials to withstand high combustion pressures and prolonged operation in demanding environments. Precision machining techniques ensure optimal sealing and minimize wear and tear.
Heavy-Duty Crankshaft and Connecting Rods
The heavy-duty crankshaft and connecting rods are designed to handle the rigorous demands of heavy-duty applications. Advanced bearing materials and coatings reduce friction, ensuring long-term durability and reliability.
Efficient Emissions Control System
The 140-3 series engine employs a comprehensive emissions control system that meets the latest environmental regulations. This system incorporates a diesel particulate filter (DPF) and a selective catalytic reduction (SCR) system to significantly reduce exhaust emissions.
Sophisticated Electronic Control Unit (ECU)
The engine's advanced ECU precisely monitors and controls various engine parameters, from fuel injection to turbocharging. This intelligent system optimizes engine performance, ensures smooth operation, and facilitates diagnostic and troubleshooting.
Versatile Applications
The Komatsu 140-3 series diesel engine finds applications in a wide range of industries, including:
* Construction equipment: excavators, loaders, dozers, cranes
* Mining equipment: dump trucks, haul trucks, excavators
* Forestry equipment: skidders, harvesters, forwarders
* Marine vessels: fishing boats, workboats, tugboats
Exceptional Reliability and Low Operating Costs
Built to last, the Komatsu 140-3 series diesel engine offers exceptional reliability and durability. Its advanced design minimizes maintenance requirements and reduces operating costs, making it a cost-effective choice for businesses in various sectors.
Commitment to Customer Support
Komatsu is renowned for its exceptional customer support. With a global network of distributors and service centers, Komatsu provides comprehensive support for the 140-3 series diesel engine. Customers can access genuine parts, skilled technicians, and technical assistance to ensure optimal performance and longevity of their engines.
This manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
APPLICABLE MODELS :
SA6D140E-3
110001 112349 / 112350 and up
D155AX-5 Bulldozer
D155AX-5 Bulldozer
PC600-6 Hydraulic excavator
WA500-3 Wheel loader
DCA400SSK Generator
SAA6D140E-3
HD325-6 Dump truck
HM350-1 Articulated dump truck
HM350-1 (40°C spec.) Articulated dump truck
HM400-1 Articulated dump truck
PC750-6, PC750LC-6, PC750-7 Hydraulic excavator
PC800-6, PC800-7 Hydraulic excavator
PC1800-6 (USA) Hydraulic excavator
SDA6D140E-3
D275A-5 Bulldozer
D275AX-5 Bulldozer
TABLE OF CONTENTS :
GENERAL
STRUCTURE AND FUNCTION,MAINTENANCE STANDARD
TESTING AND ADJUSTING
DISASSEMBLY AND ASSEMBLY
REPAIR AND REPLACEMENT OF PARTS
Downloadable : YES
File Format : PDF
Requirements : PDF Reader
Compatible : Windows & Mac
Language : English
Total pages : 356
This manual mainly contains the necessary technical information for operations performed in a service workshop.
For ease of understanding, the manual is divided into chapters for each main group of components; these chapters are further divided into the following sections.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.
TESTING AND ADJUSTING
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs.
Troubleshooting charts correlating "Problems" with "Causes" are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the procedures for removing, installing, disassembling and assembling each component, as well as precautions for them.
MAINTENANCE STANDARD
This section gives the judgment standards for inspection of disassembled parts.
The contents of this section may be described in STRUCTURE AND FUNCTION.
OTHERS
This section mainly gives hydraulic circuit diagrams and electric circuit diagrams.
In addition, this section may give the specifications of attachments and options together.
* This Manual PDF Compatible with All version Windows PC OS, MAC OS and Linux OS.
* Compression utility needed to extract it first, if PDF locate in the archive (e.g. 7-zip).
