Shandong Shengyue Technology Development Co.,Ltd is one of the most professional shacman f3000、m3000、x3000 rear leaf spring assembly dz95259520831 manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
SHACMAN F3000,M3000,X3000 Rear Leaf Spring Assembly DZ95259520831
Loosening of the U-bolts is the primary cause of leaf spring breakage. After a heavy-duty truck has been in operation for some time, the U-bolts tend to loosen slightly due to stretching. Consequently, the center of the leaf spring is no longer clamped tightly; when the vehicle encounters bumps, the load-bearing fulcrum shifts to the center bolt hole-the weakest point-causing the steel leaves to snap cleanly at that location.
Maintenance Recommendation: Within 500 kilometers of installing a new assembly, the U-bolts must be re-tightened using a heavy-duty pneumatic impact wrench or a long breaker bar.
High-Strength Fasteners
| BOM ID | Part Name | Core Specifications / Installation Standard | Qty | Remarks & Safety Tips |
|---|---|---|---|---|
| BOM-02 | Rear Leaf Spring U-Bolts | SHACMAN Delong specific / M24 or M30 specs (Grade 10.9 / 12.9 high-tensile) |
4 pcs / side | Most critical safety component (root-cause part). Responsible for locking the leaf spring tightly onto the balancing shaft housing. Must be completely replaced during every overhaul [DZ95259520831]. |
| BOM-03 | U-Bolt High Nuts & Washers | High-strength fine-thread locknuts matching the U-bolts | 8 pcs / side | Must be used with high-strength flat washers. Tighten strictly to standard pre-load torque using a heavy pneumatic impact wrench or a torque multiplier. |
| BOM-04 | Leaf Spring Center Bolt | M16 / M18 elongated high-strength center bolt | 1 pc / assy | The core positioning pin that chains and longitudinally constrains the entire leaf spring bundle. Typically included within the assembly |
Suspension Bushings & Guides
| BOM ID | Part Name | Core Specifications / Spare Description | Qty | Remarks & Field Maintenance Tips |
|---|---|---|---|---|
| BOM-05 | Spring Pin | SHACMAN genuine heavy-duty alloy steel quenched & tempered pin shaft | 1-2 pcs / side | Connects the truck frame to the leaf spring end eyelet. Must be replaced if step-like wear grooves appear on the surface, otherwise it causes severe chassis clunking noise. |
| BOM-06 | Bi-metal Bushing | Press-fitted inside the rolled eyelet of the 1st main leaf | 1-2 pcs / side | Pairs with the spring pin. If excessive clearance/play develops, repress a new bushing using a hydraulic press machine and ensure grease channels remain unobstructed. |
| BOM-07 | Rubber Buffer / Bump Stop | Thickened oil-resistant rubber buffer block above the suspension | 1 pc / side | Acts as a cushion to protect the frame and rear axle from rigid collision when the vehicle encounters extreme bumps and the leaf spring is fully compressed. |
| BOM-08 | MoS2 Heavy Duty Grease | Extreme pressure anti-wear heavy duty black grease | 1 tub (Field apply) |
Pump into the spring pin grease nipples during assembly and apply evenly on the contact surface between the leaf spring center and balancing shaft seat for high-pressure anti-wear lubrication. |
DETAILS
| DESCRIPTION | Rear Leaf Spring Assembly | PART NUMBER | DZ95259520831 |
| WEIGHT | 200kg | VOLUME | 165 cm × 9 cm × 47 cm |
| TRUCK MOLDE | SHACMAN | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CHASSIS |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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