1.Bogie Systems
·High-strength bogie assemblies manufactured from Q460C alloy steel with 460MPa yield strength
·Robotic welding technology ensures perfect penetration depth and structural integrity
·Stress-relief heat treatment at 650°C for 4 hours prevents deformation under dynamic loads
·Precision machining maintains dimensional accuracy within ±0.2mm tolerance
·Optimized box-section design withstands dynamic loads exceeding 40 tons
·35% longer service life compared to conventional designs
·Direct compatibility with Caterpillar 785-793 and Komatsu 930E-960E mining trucks

2.Drum Assemblies
·Heavy-duty drum components made from high-carbon cast iron with chroming treatment
·Surface hardness of HRC 50-55 through precision machining and thermal processing
·Advanced cooling fin designs increase heat dissipation efficiency by 45%
·Dynamic balancing to G6.3 standards ensures smooth operation
·Wall thicknesses from 25mm to 45mm for different application requirements
·10,000+ hours of reliable service in abrasive mining environments
·Compatible with major brake system specifications and standards

3.Equalizer Bars
·Precision-forged equalizer bars from 40Cr alloy steel with quenching treatment
·Uniform hardness of HRC 38-42 throughout the component
·Laboratory-verified endurance of 800,000+ load cycles
·Optimized cross-sectional geometry provides ±15mm floating range
·Maintains perfect frame alignment under varying load conditions
·Specialized surface treatment for corrosion resistance
·Compatible with Caterpillar, Komatsu, and Hitachi mining equipment

4.Equipment Brackets
·Custom equipment brackets using 16Mn high-strength steel
·Wall thicknesses from 12mm to 30mm for different load requirements
·Finite element analysis for optimal stress distribution
·Laser-cut mounting holes with positional accuracy within ±0.15mm
·Advanced anti-corrosion coating provides 1,000+ hours salt spray resistance
·Custom engineering services for specific application requirements
·Quick turnaround times for prototyping and manufacturing

1. What types of frame and chassis components does YLCM provide?

YLCM offers a complete range of structural components for heavy construction and mining equipment, including:

Bogie Systems: Q460C high-strength steel, robotic welding, >40-ton dynamic load resistance.

Drum Assemblies: High-carbon cast iron, chromed surfaces, HRC 50–55, 45% better heat dissipation.

Equalizer Bars: 40Cr alloy steel, 800,000+ load cycles, ±15 mm floating range.

Equipment Brackets: 16Mn high-strength steel, FEA-optimized, 1,000+ hour salt-spray resistance.

All components are engineered for direct replacement with Caterpillar, Komatsu, Hitachi, Volvo, and other major OEMs.

2. How do I select the correct frame or chassis component for my equipment?

Choosing the right component depends on:

Load requirements: Static load, dynamic load, shock load, and duty cycle.

Machine model and OEM part number: Ensures perfect structural and dimensional compatibility.

Operating environment: High temperature, vibration, corrosion, dust, or extreme working conditions.

Material and treatment specifications: Need for high-strength steels, heat treatment, stress-relief, etc.

Service-life expectations: Based on maintenance cycles and equipment usage intensity.

YLCM engineering support can assist with FEA analysis, design optimization, and custom requirements.

3. What materials are used in YLCM frame and chassis components?

YLCM uses high-grade structural materials selected for strength, durability, and performance:

Q460C High-Strength Steel: Used in bogies and structural frames (yield ≥460 MPa).

40Cr Alloy Steel: Used in equalizer bars for optimal strength and toughness.

High-Carbon Cast Iron + Chrome Plating: Used for drum assemblies to ensure high hardness and wear resistance.

16Mn Structural Steel: Used for brackets and mounting structures.

All materials meet ISO 9001:2015 standards and include EN 10204 3.1 material certificates.

4. How does YLCM ensure durability and long-term reliability?

Durability is achieved through advanced manufacturing and engineering processes:

Robotic full-penetration welding for structural integrity.

650°C / 4h stress-relief heat treatment to prevent deformation under heavy loads.

Precision machining (±0.15–0.2 mm) for perfect fit and alignment.

FEA-optimized structures to eliminate stress concentration.

Laboratory fatigue testing, verifying 800,000+ cycles for critical components.

High-level corrosion protection, including 1,000+ hour salt spray coatings.

These practices deliver 25–40% longer service life than conventional OEM designs.

5. Are YLCM components compatible with multiple machinery brands?

Yes.
YLCM components are designed for compatibility with:

Caterpillar (e.g., 785–793, 797F)

Komatsu (e.g., 930E–960E, D475, 980E)

Hitachi, Volvo, Liebherr and other major global OEMs

We support OEM part-number matching for fast, error-free selection.

6. What maintenance practices are recommended for frame and chassis components?

To maximize service life:

Inspect welds, pivot points, and floating ranges regularly.

Monitor alignment and load distribution to avoid uneven stress.

Lubricate equalizer bar joints and bushings as scheduled.

Avoid overloading and excessive impact operations.

Replace components showing cracking, deformation, or abnormal wear.

YLCM offers on-site inspection, installation supervision, and technical troubleshooting.

7. What applications do YLCM frame and body components cover?

YLCM products are suitable for:

Ultra-class mining trucks (300+ tons)

Excavators (upper/lower frames, brackets, structural supports)

Wheel loaders (drums, brackets, frame components)

Crawler dozers (bogies, equalizer bars, chassis components)

Severe environments: open-pit mines, deep-pit mining, quarries, port handling

Designed for continuous high-load, high-vibration, and abrasive conditions.

8. How fast can YLCM deliver frame and chassis parts?

Thanks to a global supply chain network:

95% of orders ship within 15 working days

Regional warehouses support Central Asia, Russia, Africa, Southeast Asia

Suitable for both small orders and large OEM partnerships

Fast delivery helps minimize downtime and reduce customer inventory costs.

9. Does YLCM provide technical support for component selection and installation?

Yes.
YLCM provides comprehensive support:

Part-number identification

Load and structural compatibility assessment

Engineering consultation and FEA design support

On-site installation supervision and training

24/7 emergency technical assistance (average response < 2 hours)

10. Why choose YLCM frame and body components?

Key advantages include:

Premium materials & heat treatment for extended longevity

Precision manufacturing (robotic welding, ±0.15–0.2 mm machining)

FEA-optimized structural design with no weak points

Wide OEM compatibility

Full quality traceability (3.1 certificates, inspection reports)

Global supply chain + 24/7 engineering support

Fast delivery and cost-efficient inventory solutions

YLCM components help customers improve equipment reliability, reduce maintenance costs, and extend operational life.