## Yanmar 4JH3-TE, 4JH3-HTE, 4JH3-DTE Marine Diesel Engine
### Overview
The Yanmar 4JH3 series of marine diesel engines are renowned for their reliability, fuel efficiency, and impressive power-to-weight ratio. These engines are widely used in a variety of marine applications, including sailboats, motorboats, and commercial vessels.
### Technical Specifications
**Engine Type:** Four-cylinder, four-stroke, in-line marine diesel engine
**Displacement:** 3.0 liters
**Bore x Stroke:** 98 mm x 90 mm
**Compression Ratio:** 18:1
**Maximum Power Output:** 75 HP at 3600 RPM (4JH3-TE)
**Maximum Torque:** 152 Nm at 2000 RPM (4JH3-TE)
### Design and Construction
The 4JH3 series engines feature a compact and lightweight design, making them ideal for installations where space is limited. The engines are constructed with durable cast iron cylinder blocks and aluminum alloy cylinder heads, providing excellent strength and heat dissipation.
### Fuel System
These engines are equipped with a high-pressure common rail fuel injection system, which optimizes fuel delivery for improved performance and fuel economy. The system features multiple injections per cycle, resulting in cleaner combustion and reduced emissions.
### Cooling System
The 4JH3 engines utilize a keel-cooled wet exhaust system, which provides efficient cooling without the need for an external heat exchanger. The system continuously circulates raw seawater through the engine's exhaust manifold and heat exchanger, maintaining optimal operating temperatures.
### Electrical System
The engines come equipped with a 12-volt or 24-volt electrical system, providing power for starting, charging, and various electrical accessories. The alternators are designed to provide ample electrical power, even at low engine speeds.
### Reliability and Durability
The 4JH3 series engines are renowned for their exceptional reliability and durability. They undergo rigorous testing and are manufactured using high-quality materials and components. The engines are designed to withstand the harsh marine environment and provide years of trouble-free operation.
### Versatility and Applications
The 4JH3 series engines offer exceptional versatility, making them suitable for a wide range of marine applications. These engines are commonly used in:
* Sailboats
* Motorboats
* Fishing vessels
* Commercial workboats
* Generator sets
This is the COMPLETE Service Repair Manual for the Yanmar 4JH3-TE, 4JH3-HTE, 4JH3-DTE Marine Diesel Engine. It contains service, repair procedures, assembling, disassembling, wiring diagrams and everything you need to know.
The Service Manual contains detailed information, electrical and hydraulic diagrams, actual real photo illustrations and schemes, which give you complete step-by-step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$
Models Covered:
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Yanmar Marine Diesel Engine 4JH3-TE
Yanmar Marine Diesel Engine 4JH3-HTE
Yanmar Marine Diesel Engine 4JH3-DTE
Service Repair Manual Contains:
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1. To Perform Service Safely
2. General Description
3. Overhaul
4. Troubleshooting
5. Periodic Checking List
6. Tool and Measuring Instrument
7. Service Specifications
8. Instrument Panel(Option)
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** Model Specification: Yanmar 4JH3-TE, 4JH3-HTE, 4JH3-DTE Marine Diesel Engine
** Language: English
** Total Pages: 100
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc...
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This QUALITY manual is 100 percents COMPLETE and INTACT, no MISSING/CORRUPT pages/sections to freak you out! It also is Bookmarked and SEARCHABLE to make what you need easy to find. Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM. It can be viewed on any computer, as well as zoomed and printed.
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