RAEXON PTY LTD

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Product Overview

  • Model: CS-77 04 2501
  • Brand: OEM / Premium Aftermarket (Industrial-Grade Quality)
  • Product Type: Heavy-Duty Suspension Air Spring Assembly

Core Adaptation Information

  • Compatible Vehicle Types:
    • Medium/heavy-duty trucks (N2/N3 class), dry mortar transport trailers, fly ash haulage vehicles, bulk powder logistics trucks
    • Construction material delivery fleets, cement plant dedicated transport vehicles, short-haul engineering logistics trucks
    • All commercial vehicles equipped with air suspension systems matching the assembly’s mounting dimensions and load range
  • Cross-Reference Models: CS-77 04 2502, CS-77 04 0802 (same-series bulk transport air springs)
  • Applicable Replacement Scenarios: Air bladder abrasion from powder dust, high-pressure air leakage under heavy loads, reduced suspension stability on rough roads, abnormal chassis shaking during bulk powder transport, worn rear suspension components of construction logistics vehicles
  • System Compatibility: Fully compatible with air suspension height adjustment systems; no recalibration needed after installation

Detailed Technical Parameters

Air Bladder Material5-ply reinforced chloroprene rubber (CR) + high-tensile polyester cord + anti-dust abrasion coating, oil-resistant, ozone-resistant, anti-UV
Maximum Working Pressure13.5 bar (196 psi)
Maximum Load Capacity9,400 kg per assembly (at rated pressure)
Operating Temperature Range-47℃ ~ +97℃
Mounting Thread SizeUpper: M22×1.5; Lower: 1" BSPT male
Assembly WeightApproximately 4.7–5.1 kg
Bladder Diameter (Max Inflation)348 mm (±5 mm)
Free Length (Uninflated)308 mm (±5 mm)
Sealing StructureIntegral rubber seal + stainless steel gasket + dust-proof protective ring, zero-leakage design for bulk powder applications
Fatigue Life≥ 415,000 load cycles (per industrial heavy-duty test standard)
Fastener GradeGrade 10.9 hot-dip galvanized high-strength steel, corrosion-resistant, dust-proof

Core Product Advantages

  • Reliable Bulk Load-Bearing Stability: 5-ply reinforced structure with polyester cord reinforcement supports up to 9,400 kg per assembly, maintaining consistent performance during frequent empty-to-full load transitions—critical for preventing powder cargo segregation in transit.
  • Efficient Rough-Road Shock Absorption: Optimized bladder geometry and medium-high pressure design effectively filter impacts from construction site gravel roads and quarry access routes, reducing chassis vibration by 43% and protecting both vehicle and cargo.
  • Dust & Abrasion Resistant Durability: The anti-dust abrasion coating on the CR rubber bladder resists damage from powder dust and construction debris; galvanized fasteners prevent rust from job-site moisture, extending service life by 35% compared to standard aftermarket parts.
  • Fleet-Friendly Quick Installation: Standardized mounting interface enables direct bolt-on replacement, eliminating chassis modification and cutting maintenance time by 50% for construction logistics fleet teams, minimizing vehicle downtime.
  • Wide Temperature Adaptability: Operates stably in extreme cold (-47℃) and high-temperature (+97℃) environments, suitable for cross-regional bulk powder transportation in frigid, temperate, and subtropical regions.
  • Global Market Compliance: Meets ISO 16949 and ECE R134 standards, ensuring market access in Europe, North America, Southeast Asia, and other key regions for construction and bulk material transport vehicle parts.

Applicable Scenarios

  • Bulk Powder Material Logistics: Ideal for dry mortar, fly ash, and cement additive transport trucks and trailers, withstanding rough construction site roads and frequent load cycles without bladder damage.
  • Construction Logistics Haulage: Suitable for cement plant dedicated transport vehicles and construction material delivery fleets, improving suspension reliability in harsh working environments.
  • Special-Purpose Vehicle Retrofits: Used in the modification of bulk powder transport trailers and construction waste haulage vehicles to enhance suspension load capacity and dust resistance.
  • Mid-Heavy Load Fleet Maintenance: Cost-effective replacement solution for construction and logistics fleets, reducing long-term maintenance costs and vehicle downtime.
  • Aftermarket Parts Distribution: Core product for auto parts dealers specializing in bulk material transport vehicles, compatible with multiple models and meeting diverse customer demands.

Brand & After-Sales

Brand Guarantee: Produced by Raexon, relying on the integrated production capacity of industry and trade, strictly following international commercial vehicle parts production standards, focusing on the R&D, production and sales of commercial vehicle parts, and cooperating with well-known international brands to create high-quality parts with trustworthy quality.

After-Sales Guarantee: The product enjoys perfect after-sales guarantee service. For quality problems caused by non-human damage within the warranty period, free maintenance or replacement services can be provided. At the same time, professional technical consultation and installation guidance are provided to solve various problems encountered by customers in the use process, supporting bulk order customization and foreign trade export adaptation services.

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