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
| Quantity: | |
|---|---|
2921010
Dongfeng
| Attribute | Description |
|---|---|
| Base Part Number | 2921010 |
| Common Name | Rear Leaf Spring Assembly (also known as "Rear Suspension Spring" or "Rear Beam") |
| Application Type | Heavy-Duty Truck / Medium-Duty Chassis |
| Vehicle Brand | Dongfeng Commercial Vehicle (DFCV) |
| Compatible Models | Dongfeng Kinland (KL), KC Hercules, Kingrun (KR) |
| Axle Position | Rear Axle (Dual Axle or Tandem Axle Configurations) |
| Structural Type | Multi-leaf variable-section or low-leaf parabolic design (varies by suffix) |
| Primary Material | 60Si2Mn or 50CrV high-tensile alloy spring steel |
| Surface Treatment | Shot peened for enhanced fatigue resistance |
| Width Options | 90mm (standard), 100mm (heavy-duty version) |
| Leaf Count Range | 3–4 leaves (lightweight tractor), 10–12 leaves (heavy-duty dump truck) |
| Mounting Style | Center bolt with U-bolts; eye-end connected via shackle or bushing |
| Function | Load support, vibration damping, longitudinal/lateral force transmission |
| OE Standard Compliance | Meets DFCV original engineering specifications; GB/T 2890 standards |
| Parameter | Specification |
|---|---|
| Material Grade | 60Si2Mn (standard), 50CrV (high-performance variants) |
| Heat Treatment | Quenched and tempered; shot-peened surface |
| Fatigue Life | ≥300,000 cycles under full-load dynamic testing (simulated rough terrain) |
| Load Capacity | Designed for axle ratings from 10T to 13T depending on configuration |
| Spring Rate | Varies by model: optimized for balance between ride comfort and load stability |
| Arch Height (Free Height) | Precisely calibrated based on empty/load chassis height; typically 120–180 mm |
| Corrosion Resistance | Oiled surface protection; optional anti-rust coating available |
| Design Purpose | Prevents axle shift, maintains alignment, reduces frame stress |
| Attribute | Description |
|---|---|
| Base Part Number | 2921010 |
| Common Name | Rear Leaf Spring Assembly (also known as "Rear Suspension Spring" or "Rear Beam") |
| Application Type | Heavy-Duty Truck / Medium-Duty Chassis |
| Vehicle Brand | Dongfeng Commercial Vehicle (DFCV) |
| Compatible Models | Dongfeng Kinland (KL), KC Hercules, Kingrun (KR) |
| Axle Position | Rear Axle (Dual Axle or Tandem Axle Configurations) |
| Structural Type | Multi-leaf variable-section or low-leaf parabolic design (varies by suffix) |
| Primary Material | 60Si2Mn or 50CrV high-tensile alloy spring steel |
| Surface Treatment | Shot peened for enhanced fatigue resistance |
| Width Options | 90mm (standard), 100mm (heavy-duty version) |
| Leaf Count Range | 3–4 leaves (lightweight tractor), 10–12 leaves (heavy-duty dump truck) |
| Mounting Style | Center bolt with U-bolts; eye-end connected via shackle or bushing |
| Function | Load support, vibration damping, longitudinal/lateral force transmission |
| OE Standard Compliance | Meets DFCV original engineering specifications; GB/T 2890 standards |
| Parameter | Specification |
|---|---|
| Material Grade | 60Si2Mn (standard), 50CrV (high-performance variants) |
| Heat Treatment | Quenched and tempered; shot-peened surface |
| Fatigue Life | ≥300,000 cycles under full-load dynamic testing (simulated rough terrain) |
| Load Capacity | Designed for axle ratings from 10T to 13T depending on configuration |
| Spring Rate | Varies by model: optimized for balance between ride comfort and load stability |
| Arch Height (Free Height) | Precisely calibrated based on empty/load chassis height; typically 120–180 mm |
| Corrosion Resistance | Oiled surface protection; optional anti-rust coating available |
| Design Purpose | Prevents axle shift, maintains alignment, reduces frame stress |
