SY550 6WG1发动机 (3)
SY550 6WG1发动机 (6)
SY550 6WG1发动机 (5)
SY550 6WG1发动机 (4)
SY550 6WG1发动机 (3)
SY550 6WG1发动机 (6)
SY550 6WG1发动机 (5)
SY550 6WG1发动机 (4)

When Power Meets Precision – SY550 6WG1 Diesel Engine at Work!

Product Introduction — SY550 6WG1 Diesel Engine

The SY550 6WG1 diesel engine is a high-performance power unit specially designed for heavy-duty excavators such as the SANY SY550.
Developed with ISUZU technology, the 6WG1 engine delivers exceptional power, efficiency, and durability — making it one of the most reliable engines in the construction machinery industry.

Get a free quote
Details

Main Features

  • Powerful Output:
    Equipped with ISUZU’s 6WG1 turbocharged common rail system, it provides strong horsepower and torque for demanding excavation and lifting operations.

  • Fuel Efficiency:
    Advanced fuel injection and combustion control reduce fuel consumption while maintaining high performance, helping operators save on operating costs.

  • Durable & Reliable:
    Built with high-strength materials and precision engineering to ensure long service life, even in harsh working environments.

  • Low Emission, Eco-Friendly:
    Complies with global emission standards. Optimized combustion system reduces smoke and noise for cleaner operation.

  • Easy Maintenance:
    Simple structure and easy access to key components make maintenance convenient and time-saving.


🔩 Technical Specifications (Typical 6WG1 Configuration)

Item Specification
Engine Model ISUZU 6WG1
Type 4-stroke, 6-cylinder, water-cooled, turbocharged diesel
Displacement 15.7 L
Bore × Stroke 147 mm × 154 mm
Rated Power 377–397 kW (505–532 HP) @ 1800 rpm
Max Torque 2400–2500 N·m @ 1300 rpm
Fuel System High-pressure common rail
Cooling System Water cooling
Starting System Electric starter
Emission Standard Euro III / Tier III (optional Tier IV)

🚜 Applications

  • SANY SY550 Excavator

  • Heavy-duty construction equipment

  • Mining machinery

  • Large loaders and cranes


🧰 Available Versions

  • Complete Engine Assembly (ready-to-install)

  • Rebuilt / Used Engine (tested and reconditioned)

  • Engine Parts Kit: turbocharger, fuel pump, injectors, pistons, gasket sets, and more.


🌍 Why Choose Us

✅ 100% genuine ISUZU quality
✅ Competitive wholesale price
✅ Professional testing before delivery
✅ Global export experience & fast shipping


The SY550 6WG1 engine — the reliable heart that powers your excavator with strength, stability, and unmatched endurance.

Tags
diesel engine​
diesel engine​

Get a free quote

We are committed to producing the best quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.

superior Parts
This is your News article. It’s a great place to highlight press coverage, newsworthy stories, industry updates or useful resources for visitors.
Quickly Delivery
This is your News article. It’s a great place to highlight press coverage, newsworthy stories, industry updates or useful resources for visitors.
Responsible
This is your News article. It’s a great place to highlight press coverage, newsworthy stories, industry updates or useful resources for visitors.

Professionalism, honesty, and responsibility are the main and important characteristics of the Weihuparts team. We will maintain these characteristics and continue our ways. We are here waiting for your contact also. 

Our company policy is to offer superior parts, quick delivery, and responsible service to all of our partners. Thanks for the mutual trust, tolerance, support, and hard work between partners; every partner has enjoyed the cooperation very much.

Get a free quote

Whatever your requirements are, express to our specialists. They will help you tailor the product to suit you perfectly.

Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_435 not exceed 150 characters
Please enter your content not exceed 3000 characters

Get In Touch

Whatever your requirements are, express to our specialists. They will help you tailor the product to suit you perfectly.

view-heavy-machinery-used-construction-industry_23-
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_435 not exceed 150 characters
Please enter your content not exceed 3000 characters
You may also like
卡特C7.1电喷发动机 (6)

Caterpillar C7.1 Electronic Injection Engine for Sale | Powerful and Reliable Diesel Solution

Caterpillar C7.1 Electronic Injection Engine for Sale | Powerful and Reliable Diesel Solution
卡特3306发动机 (4)

Carter 3306 Engine – Durable Power for Heavy-Duty Applications

Carter 3306 Engine – Durable Power for Heavy-Duty Applications
卡特C18发动机 (2)

Caterpillar C9 Engine – Reliable Power for Heavy Equipment

Caterpillar C9 Engine – Reliable Power for Heavy Equipment
全新卡特C2.4发动机 (3)

Carter C2.4 Diesel Engine – Specs, Parts & Applications

Carter C2.4 Diesel Engine – Specs, Parts & Applications
卡特C7发动机 (3)

Caterpillar C7 Engine for Sale | Reliable Diesel Power Solutions

Caterpillar C7 Engine for Sale | Reliable Diesel Power Solutions
组 2

Excavator Engine V2607 | Long-Lasting & Low Emission Diesel Engine

Excavator Engine V2607 | Long-Lasting & Low Emission Diesel Engine
组 5

Excavator 4JB1 Engine | Reliable Isuzu 4JB1 Diesel Engine for Excavators

Excavator 4JB1 Engine | Reliable Isuzu 4JB1 Diesel Engine for Excavators
卡特C18发动机 (3)

Caterpillar C18 Diesel Engine | Specifications, Power, and Applications

Caterpillar C18 Diesel Engine | Specifications, Power, and Applications
Contact customer service

Contact us

Hi,

If you are interested in our products/customized services or have any doubts, please be sure to let us know so that we can help you better.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_435 not exceed 150 characters
Please enter your content not exceed 3000 characters

Get a free quote

Hi,

If you are interested in our products/customized services or have any doubts, please be sure to let us know so that we can help you better.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_435 not exceed 150 characters
Please enter your content not exceed 3000 characters