Huayu Leaf Spring Launches Three New Trailer Suspension Leaf Springs: TRA2728, TRA2740, TRA2741

SICHUAN, CHINA — Effective Today. Sichuan Huayu Leaf Spring Co., Ltd. announces three new trailer suspension leaf springs: TRA2728, TRA2740, and TRA2741. Designed for line-haul, refrigerated, bulk, and container applications, the new range focuses on stable load support and long service life to lower total cost of ownership.

Key Highlights:

1.Stable Load Support & Consistent Geometry: Tight control of leaf thickness and camber; every set is checked for arch and stress matching to ensure balanced load sharing.

2.High Strength & Fatigue Resistance: Critical zones are reinforced and shot-peened to significantly extend fatigue life.

3.Corrosion Protection: Optional electrophoretic coating (E-Coating) provides durable protection in humid and salt-spray road conditions.

4.Process Reliability: CNC eye-rolling/forming and automated production ensure batch-to-batch consistency and smooth assembly.

5.Serviceability: Edge and hole chamfers reduce assembly stress; compatible with standard bushings and U-bolts.

Application Guidance:

• TRA2728: For standard-load trailer platforms prioritizing ride stability.

• TRA2740: A balanced choice for long-haul operations, optimizing weight and durability.

• TRA2741: Tuned for heavy-duty and harsh conditions with higher fatigue margins.

Quality & Delivery Assurance:

1.100% inspection on critical dimensions and performance; batch sampling and traceability.

2.Stock for common references, flexible MOQs, and scalable lead times.

3.Export-ready packaging with rust protection; palletized and reinforced carton options.

Sichuan Huayu Leaf Spring Co., Ltd. specializes in R&D and manufacturing of leaf springs for heavy trucks and trailers, offering master/auxiliary leaves, multi-leaf assemblies, and customized solutions for logistics, cold-chain, construction, and specialty vehicles.