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SHACMAN Truck Chassis Rear Suspension System Guide Plate Steel Slide Rail DZ95319520000
Installed near the vehicle's balance shaft or rear leaf spring assembly, this component primarily serves to guide and limit the travel of the rear leaf spring suspension. When a dump truck or tractor unit operates under heavy loads or on rough, uneven terrain, this guide plate prevents abnormal shifting of the rear axle leaf springs, protects the vehicle frame from excessive wear, and helps support the vehicle's load.
Role of Key Technical Components
1. Function of the Wear-Resistant Pad (Slide Plate): In multi-axle heavy-duty trucks (such as 6×4 or 8×4 configurations with dual rear axles), the ends of the leaf springs are not secured by shackles; instead, they rest directly on slide brackets. This guide plate bears the longitudinal sliding friction generated as the leaf springs deform under load, making it a consumable, wear-prone component.
2. Prevention of Lateral Displacement: During high-load cornering, travel over rough terrain, or the lifting operation of a dump truck, the plate restricts the lateral (side-to-side) movement of the leaf springs, ensuring that the relative positioning between the axles and the vehicle frame remains stable.
Maintenance and Inspection Recommendations
• Inspection Interval: The thickness/wear of the guide plate should be checked whenever the vehicle's chassis undergoes maintenance (typically every 10,000 to 20,000 kilometers).
• Symptoms of Failure: If a guide plate becomes excessively worn, or if its mounting bolts loosen or fall off, noticeable abnormal noises may emanate from the rear chassis during acceleration, braking, or when driving over potholes. In severe cases, this can lead to uneven wear on the leaf springs or damage (scoring) to the vehicle frame.
• Replacement in Pairs: To ensure balanced load distribution, it is standard practice to replace the guide plates on both sides of the same axle simultaneously, using new, genuine OEM parts.
SHACMAN Heavy Duty Truck Rear Suspension (Guide Plate Area) Maintenance & Replacement BOM List
| Item No. | Genuine Part Number | Part Name (English) | Qty per Vehicle | Recommended Status | Technical & Procurement Notes |
|---|---|---|---|---|---|
| 01 | DZ95319520000 | Steel Slide Rail Guide Plate | 2 pcs | Core Replacement | Main Item. Installed on left and right sides to limit rear leaf spring movement (Dimensions: 342×88.5mm). |
| 02 | DZ9112520153 (Ref.) | High-Strength Fastening Bolt | 4 / 8 pcs | Highly Recommended | Specification: M14×1.5 fine thread high-strength bolt. Original bolts are often stretched or rusted; must be replaced. |
| 03 | Q40314 (Standard) | Spring Washer / Lock Washer | 4 / 8 pcs | Must Replace | Used with M14 bolts to prevent loosening caused by high-frequency chassis vibration under heavy load. |
| 04 | DZ9114520259 (Ref.) | Balance Shaft Slide Rail Bracket Assy | 1~2 pcs | Inspect & Replace | The base bracket where the guide plate is mounted. Replace if severely worn or scratched due to long-term friction. |
| 05 | DZ95259520034 (Ref.) | Rear Leaf Spring U-Bolt | 4 pcs | Inspect & Replace | Commonly known as "Riding Bolt". Recommended to inspect for thread deformation if the rear axle is completely disassembled. |
| 06 | DZ93259520042 (Ref.) | Balance Shaft Bushing (Rubber-Metal) | 2 pcs | Inspect & Replace | Check if there is excessive play at the kingpin bushing. Chassis noise is often related to the wear of this bushing. |
| 07 | DZ95319520110 (Ref.) | Rear Leaf Spring Main Plate Wear Pad | 2 pcs | Inspect & Replace | Located at the contact surface between the leaf spring tip and the slide rail, working in conjunction with the guide plate. |
DETAILS
| DESCRIPTION | Guide Plate Steel Slide Rail | PART NUMBER | DZ95319520000 |
| WEIGHT | 3kg | VOLUME | 360mm × 100mm × 50mm |
| 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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