Engine
Your Professional Engine Supplier
Ruiyuan Semi-trailer Company is a leading enterprise specializing in the production and sales of various tank semi-trailers, dedicated to delivering high-quality and high-performance transportation solutions to global customers.
Advanced Equipment
Equipped with state-of-the-art production facilities and modern production lines, complemented by advanced customized manufacturing technology, the company ensures both the efficiency and superior quality of its products.
Competitive Pricing
With a professional procurement and costing team, we strive to optimize costs while ensuring profitability, thereby offering highly competitive pricing to our valued customers.
Customized Service
Upon receiving your requirements, our experienced engineering team will promptly provide you with comprehensive and optimized customized solutions tailored to your specific needs.
Quality Control
In terms of quality assurance, the company adheres strictly to industry standards and norms, utilizing cutting-edge testing equipment to ensure consistent product quality and maintain an excellent reputation in the market.
Parameter
|
Size: |
15000×2500×4000mm mm |
|
Axle specifications: |
3 axles |
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Suspension: |
Mechanical suspension (air suspension) |
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Kingpin: |
JOST 2" or 3.5" traction pin |
|
Support leg: |
JOST, Fuwa or Yahua brand 28T |
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Wheelbase: |
1310 |
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Steel spring: |
Heavy plate spring |
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Electrical system: |
24V, 7-pin socket, a set of 7-core standard cable |
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Tires: |
9.5 R17.5/12 r22. 5/12.00 R20 |
|
The material of the main beam: |
The thickness of the upper plate is 20 mm, the thickness of the middle plate is 20 mm, and the thickness of the lower plate is 12 mm; The material is Q345 carbon steel. |
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Side beam: |
16 mm -25 mm channel steel (material Q235 carbon steel) |
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Platform plate: |
5mm diamond SLATE |
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Brake: |
Chinese brand |
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Brake chamber: |
WABCO RE 6 relay valve; T30/30+T30 spring brake chamber (Taiyue brand); 45L gas tank a piece |
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ABS system: |
Optional |
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Light: |
Taillights with turn signals, brake lights and reflectors, side lights, etc. |
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Toolbox: |
1 set (waterproof type) |
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Spare tire bracket: |
1 set (patent type) |
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Painting: |
Complete chassis sandblasted clean rust, 2 coats of anti-corrosion primer, 2 coats of final paint |

Advantages of Engine
Best-in-class fuel efficiency that lowers costs
Diesel-run engines are designed to have a higher compression ratio than gasoline engines. The fuel-air mixture is compressed more before ignition, which makes combustion a much faster process in these engines. Unlike gasoline, diesel burns at a slower rate, which further makes these engines fuel-efficient.
Seamless integration of technology to monitor engine health
Engines by Weichai are full-authority electronic control engines. This means they provide built-in diagnostics and alerts that promptly identify and address any issues, thus improving safety and reducing maintenance costs for the end users.
Outstanding power-to-weight ratio for enhanced durability
As a business owner, you look for engines that are not only efficient but also have a longer lifespan even under intense application. And that is what these engines are designed for! Designed to suit extreme-duty cycles, diesel-run engines by Weichai are best suited to carry out rigorous tasks in extreme conditions.
Extended maintenance intervals that reduce ownership costs
Both diesel and gasoline engines require maintenance from time to time. Yet, you will spend much lower time and money on maintenance sessions with our diesel-run engines. With the simple build design and excellent capability of functioning in harsh conditions, these engines do not require frequent upkeeps.
Mounted with After Treatment system to cut down emissions
Engines by Weichai are designed while conforming to emission standards. With the aim to contribute to a cleaner future, our engines are mounted with after-treatment systems that filter the fuel exhausts. Besides, these mechanisms are integrated while ensuring a compact layout.
Applications of Engine
Marine Vessels:
These engines power high-speed boats, passenger ships, and fishing boats. They are also used in inland and offshore water transportation, providing reliable performance in tough maritime conditions.
Trucks and Land Use:
Engines are found in heavy-duty trucks used for construction and logistics. Their powerful performance is ideal for these demanding tasks.
Emergency and Standby Units:
Weichai engines are used as emergency and standby units in industrial and marine settings, offering backup power when needed.

Technical Features of Weichai Engines
|
FEATURE |
DESCRIPTION |
|
Engine Type |
Diesel, Gas, Hybrid, and New Energy |
|
Power Output Range |
22 kW to 10,000 kW |
|
Thermal Efficiency |
Up to 53.09% for diesel engines |
|
Emissions Standards |
Compliant with Euro V, Euro VI, and national standards |
|
Turbocharging |
Single and twin turbo options for enhanced performance |
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Cooling System |
Advanced cooling technologies for improved reliability |
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Fuel System |
Common rail and mechanical fuel injection systems |
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Control System |
Electronic control units for optimized performance |
|
Applications |
Trucks, buses, construction machinery, marine engines |
|
Warranty |
Typically ranges from 1 to 3 years depending on application |
Packaging and Shipping
|
Packaging |
Polish with wax before shipping. Naked, or according to customer's needs. |
|
Shipping |
We will provide you with the best ocean shipping solution to reduce transportation costs and ensure timely delivery of goods. |
Our Factory
The production base of Ruiyuan Semi-trailers is located in an industrial park with convenient transportation. The factory area is spacious, and the production equipment is advanced.

Our Service
Financing Services
A variety of financial services are provided to customers, including vehicle purchase loans, installment payments, etc., to help customers reduce the purchase cost and achieve flexible payment plans.
Technical Support
Comprehensive technical support is provided to help customers understand the applicable scenarios and advantages of different types of semi-trailers, ensuring that their purchasing decisions are reasonable.
Installation and Debugging
Professional installation and debugging services are provided to ensure that all functions of the semi-trailer operate normally, the vehicle meets safety standards, and customers can start using it without worry.
Technical Support and Training
Professional training is provided for vehicle owners and drivers to ensure that the users can master the operation skills and maintenance key points of the semi-trailer proficiently. Ruiyuan also provides regular technical support, including operation manuals, online help, etc., to answer the technical problems encountered by customers during the use process.
Spare Parts Supply
Original spare parts are provided for guarantee. When customers repair or replace spare parts, they can obtain high-quality spare parts produced by Ruiyuan to ensure the performance and safety of the vehicle.
Product Upgrades and Modifications
Ruiyuan also provides modification services for semi-trailers, such as adding additional vehicle-mounted equipment, increasing additional load capacity, etc., to ensure that the semi-trailer meets the changing transportation needs.
Quality Follow-up and Customer Feedback
Ruiyuan will regularly follow up with customers, collect usage feedback, promptly identify potential problems and make improvements to enhance the quality of products and service levels.
FAQ





