T: +8615609213525
E: 15829336298@139.com
E: 15829336298@139.com
Room 1212-G107, Unit 2, Building 1, Block A, Shenglong Plaza, No. 80 Weiyang Road, Weiyang District, Xi'an City, Shaanxi Province
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|---|---|
2912010-H02B1
Dongfeng
| Attribute | Specification |
|---|---|
| Part Number | 2912010-H02B1 |
| Product Name | Front Leaf Spring Assembly |
| Application Position | Front Axle – Left/Right Side (Symmetrical Design) |
| Vehicle Type | Heavy-Duty Trucks, Cargo Vehicles, Dump Trucks, Buses |
| Axle Load Rating | Medium to High (suitable for 7–13 ton front axles) |
| Spring Configuration | Multi-Leaf Parabolic Type (Typically 5–7 leaves including main leaf) |
| Main Material | 60Si2MnA or equivalent high-strength spring steel |
| Heat Treatment | Quenched and Tempered (Q&T) for enhanced toughness and fatigue life |
| Mounting Style | Eye-to-eye (shackled ends); center-fixed to axle via U-bolt kit |
| Center Bolt Diameter | Φ14 mm – Φ16 mm (standard) |
| Eye Bushings Included | Yes (rubber or nylon-reinforced composite bushings at both ends) |
| Lubrication Type | Grease-lubricated inter-leaf pads (or graphite-coated for low friction) |
| OEM Compatibility | Designed as direct replacement for Dongfeng/Foton OE standards |
| Standards Compliance | GB/T 19844, QC/T 543, ISO 16903 (Automotive Leaf Spring Standards) |
| Parameter | Specification |
|---|---|
| Overall Length (OAL) | Approx. 1,150 mm – 1,200 mm (varies by model) |
| Width (Leaf Width) | 85 mm – 90 mm |
| Thickness (Total Pack) | ~55 mm – 65 mm (stacked) |
| Number of Leaves | 5 to 7 (main leaf + graduated leaves) |
| Free Arch Height | ~80 mm – 100 mm |
| Rated Load Capacity | 8,000 kg – 13,000 kg (per axle) |
| Deflection Under Rated Load | 120 mm – 150 mm |
| Spring Rate (Approx.) | 80–110 N/mm |
| Pin Hole Diameter (Eye) | Φ32 mm – Φ35 mm (for shackle pin) |
| Center Distance (Axle Seat) | ~980 mm – 1,020 mm |
| Operating Temperature Range | -40°C to +80°C (-40°F to +176°F) |
| Fatigue Life | ≥ 300,000 cycles (under standard test load) |
| Surface Coating | Painted finish or anti-rust oil; optional zinc flake coating |
| Weight (Approx.) | 28 kg – 34 kg |
