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Europen Renault Front Leaf Spring 5010094676 For Heavy Duty Truck

Short Description:

Part No. 5010094676, 5010383736 Paint Electrophoretic paint
Spec. 100*25 Model Heavy Duty
Material SUP9 MOQ 100 SETS
Free Arch 80mm±5 Development Length 1600
Weight 165 KGS Total PCS 9 PCS
Delivery Time 15-30 days Warranty 12 months

Product Detail

Product Tags



The leaf spring is suitable for semi-trailer

1. The item total has  9 pcs, the raw material size is 100*25
2. Raw material is SUP9
3. The free arch is 80±5mm, the development length is 1600(800+800)
4. The painting use electrophoretic painting
5. We also can produce base on client's drawings to design
6. This type of leaf spring is suitable for the Renault Kerax 370/385/400/420

Do semi trailers have leaf springs?

Assessing heavy-duty leaf springs involves balancing their advantages with their drawbacks. These springs are highly prized for their ability to improve support, stability, and a vehicle's load-bearing capacity. However, they also have notable downsides.

One primary concern is the potential increase in vehicle rigidity, particularly noticeable under lighter loads. This could lead to a less comfortable ride for passengers, potentially compromising overall comfort. Additionally, the added weight of heavy-duty leaf springs can negatively affect fuel efficiency and vehicle performance, potentially reducing traction on uneven surfaces and impacting handling and maneuverability.

Moreover, heavy-duty leaf springs often come with a higher price tag due to their reinforced construction and specialized design, resulting in increased costs for both purchase and installation.

Lastly, heavy-duty leaf springs may require more frequent maintenance and inspections to ensure optimal performance, leading to higher maintenance expenses and inconvenience for vehicle owners.

While heavy-duty leaf springs offer significant benefits, it's crucial to carefully consider these potential drawbacks before making a decision.



How do I know what leaf springs I need for my trailer?

Maintaining and servicing leaf springs is vital for ensuring peak vehicle performance and safety. These crucial suspension components bear the weight of the vehicle and absorb road shocks, making them indispensable for overall vehicle health.

Regular visual inspections of leaf springs are essential to detect signs of wear, damage, or corrosion. It's crucial to check for cracks, deformities, or any indications of metal fatigue that could compromise the integrity of the leaf spring. Proper alignment and installation are also vital to prevent uneven wear and operational issues.

Applying suitable lubricants regularly is crucial to prevent metal-to-metal contact and reduce friction, thereby preserving the flexibility and performance of leaf springs, especially in challenging conditions.

Any issues detected during inspections should be promptly addressed by a qualified technician, whether it involves repairing minor damage, replacing worn components, or realigning leaf springs. Routine maintenance tasks should include tightening U-bolts, adhering to torque specifications, and replacing old bushings.

For commercial and off-road vehicles, it's advisable to periodically conduct load testing and inspect the suspension system to ensure leaf springs function within specified parameters. This proactive approach allows for early detection of any weakening or loss of load-bearing capacity, facilitating preventive maintenance or timely replacement.

In summary, meticulous care and maintenance of leaf springs are essential for vehicle longevity and safety. Regular inspections, proper lubrication, prompt issue resolution, and load testing are vital measures to prolong the lifespan of leaf springs and prevent suspension-related problems. Collaborating with qualified professionals and adhering to manufacturer guidelines are imperative for effective leaf spring maintenance and repair.



Provide different types of leaf springs which include conventional multi leaf springs, parabolic leaf springs, air linkers and sprung drawbars.
In terms of vehicle types, it include heavy duty semi trailer leaf springs, truck leaf springs, light duty trailer leaf springs, buses and agricultural leaf springs.

Packing & Shipping


QC equipments


Our advantage

Quality aspect:

1) Raw Material

Thickness less than 20mm. We use material SUP9

Thickness from 20-30mm. We use material 50CRVA

Thickness more than 30mm. We use material 51CRV4

Thickness more than 50mm. We choose 52CrMoV4 as the raw material

2) Quenching Process

We strictly controlled the steel temperature around 800 degree.

We swing the spring in the quenching oil among 10 seconds according to the spring thickness.

3) Shot Peening

Each assembling spring set under stress peening.

Fatigue test can reach over 150000 cycles.

4) Electrophoretic Paint

Each item use electrophoretic paint

Salt spray testing reach 500 hours

Technical aspect

1. Reliable Performance: Leaf springs exhibit consistent performance attributes, ensuring occupants experience predictable handling and ride comfort throughout their use.
2. Efficient Weight Distribution: By effectively distributing the vehicle's weight and cargo, leaf springs enhance load balance and promote overall stability.
3. Superior Impact Absorption: Leaf springs excel at absorbing and cushioning the impact of uneven road surfaces, resulting in a smoother and more comfortable ride.
4. Enhanced Corrosion Resistance: Through proper treatment and coating, leaf springs demonstrate excellent resistance to corrosion, extending their lifespan and reliability across diverse environmental conditions.
5. Environmental Sustainability: The recyclability and reusability of leaf springs contribute to environmental sustainability by conserving resources and promoting eco-friendly practices.

Service aspect

1、Customization: Our factory can tailor leaf springs to meet specific customer requirements, such as load capacity, dimensions, and material preferences.
2、Expertise: Our factory’s staff possess specialized knowledge and skills in designing and manufacturing leaf springs, ensuring high-quality products.
3、Quality control: Our factory implements rigorous quality control measures to guarantee the reliability and durability of its leaf springs.
4、Production capacity: Our factory has the capability to produce leaf springs in large quantities, meeting the demands of various industries and customers.
5、Timely delivery: Our factory’s efficient production and logistics processes enable it to deliver leaf springs within specified timelines, supporting customer schedules.

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