Sangroove (Jiangsu) Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of heavy-duty mining truck support beam in China. If you're going to wholesale cheap heavy-duty mining truck support beam made in China, welcome to get pricelist from our factory. All customized products are with high quality and low price.
Product Overview
The Heavy Mining Truck Gantry Support Beam is a critical load-bearing structural component of mining dump trucks, rigid mining trucks, and large-scale heavy transport vehicles.
It connects the main chassis, dump body system, suspension assemblies, and gantry structure, and bears bending loads, torsional loads, and impact loads generated during vehicle operation. It is a key structural skeleton of the mining truck chassis system.
In open-pit mining operations and heavy-duty transport environments, the gantry support beam is subjected to continuous extreme loads, severe impacts, and vibration. Therefore, it requires extremely high strength, toughness, fatigue resistance, and dimensional stability.
With over 40 years of heavy casting experience, Sangroove (Jiangsu) Machinery Co., Ltd. specializes in manufacturing mining truck gantry beams, rear crossmembers, subframe brackets, and heavy-duty structural castings for global mining equipment OEM customers.

Manufacturing Process
- Product Design Optimization & CAE Analysis
- Mold Development & Manufacturing
- Resin Sand Casting
- Lost Foam Casting
- Induction Furnace Melting & Composition Control
- Normalizing Heat Treatment
- Quenching & Tempering
- Stress Relief Treatment
- CNC Gantry Machining
- Ultrasonic Testing (UT)
- Magnetic Particle Testing (MT)
- CMM Dimensional Inspection
Technical Specifications
| Product Name | Heavy Mining Truck Gantry Support Beam |
| Material | ZG270-500 Cast Steel |
| Optional Materials | ZG310-570, 35CrMn, 42CrMo |
| Weight Range | 100–5000 kg |
| Casting Processes | Resin Sand Casting / Lost Foam Casting |
| Heat Treatment | Normalizing, Quenching & Tempering, Stress Relief |
| Inspection Standards | UT, MT, Dimensional Inspection |
| Machining Equipment | CNC Gantry Machining Center |
| Applications | Mining Dump Trucks, Rigid Mining Trucks |
Product Advantages
• Ultra-High Load-Bearing Capacity for Heavy Mining Conditions
• Excellent Fatigue Resistance through Structural Optimization and CAE Simulation
• Capability for Large Structural Components up to 5 Tons per Piece
• Strict Non-Destructive Testing Ensuring Internal Quality Reliability
• High Dimensional Accuracy via CNC Gantry Machining
Customer Benefits
• Improved reliability of mining truck chassis systems
• Extended service life under extreme working conditions
• Reduced downtime and maintenance costs
• Enhanced transportation efficiency in mining operations
• Lower total cost of ownership
• Stable OEM supply for large-scale mining projects


Why Choose Sangroove
40+ Years of Heavy Casting Experience
Annual Production Capacity Exceeding 100,000 Tons
Four Major Casting Processes: Lost Foam, Resin Sand, Shell Mold, Green Sand
One-Stop Manufacturing from Mold to Finished Machining
Advanced Inspection Equipment: OBLF Spectrometer, ZEISS CMM, UT, MT, X-Ray Systems
Proven OEM supply experience for mining and construction machinery industries
Applications
• Mining Dump Trucks
• Rigid Mining Trucks
• Open-Pit Mining Vehicles
• Heavy Haul Transport Vehicles
• Mining Equipment Chassis Systems
• Ultra-Heavy Engineering Vehicles
• Special Mining Machinery
• Large Industrial Transport Equipment
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