High Quality Excavator
1.Explosion-proof design compliant with mining safety standards for safer underground operation.
2.Powerful hydraulic system with high digging force & efficiency to reduce operating costs.
3.Reinforced stable chassis, anti-tipping and adaptable to harsh working conditions.
4.Wear-resistant, durable and easy to maintain, ensuring long service life and less downtime.
Product Details
The High Quality Excavator as a whole features an explosion - proof design and is outfitted with emergency stop buttons for immediate hazard mitigation. Additionally, its robust and stable chassis structure is engineered to prevent tipping, even under challenging working conditions. These safety characteristics collectively safeguard the operator and minimize the risk of accidents at coal mine work sites.
When selecting an excavator, quality and performance are non - negotiable factors. Our high - quality excavator stands as a top - tier product, capable of not just meeting but exceeding the expectations of the most demanding customers. It combines exceptional comfort, precise controllability, and comprehensive safety features. Additionally, with its high - performance attributes, it is the ideal option for any mining excavation endeavor.
The cabin of our high-quality excavator is designed with the operator in mind. It features ergonomic seating, intuitive controls, and excellent visibility, providing a comfortable and stress-free working environment. This enables operators to work for longer hours with greater precision and reduced fatigue.
Advantages of Underground Operation
Strong Adaptability to Narrow Spaces
Compact body, zero-tail swing, small turning radius, enabling flexible operation in narrow underground roadways without scratching the roadway walls.
High Operating Efficiency
Integrates functions of excavation, loading, slag removal and trimming. Replaces manual labor, greatly improves tunneling and mucking efficiency, and shortens the construction period.
Outstanding Safety Performance
Low center of gravity and stable driving to prevent rollovers; explosion-proof models are available for high-gas coal mines with no open fire risks, reducing underground safety accidents.
Eco-friendly & Low Consumption
Electric models produce no exhaust gas and low noise, avoiding pollution to underground air; diesel models are mostly explosion-proof designed to comply with mine safety regulations.
Multi-purpose & Strong Working Condition Adaptability
Quick replacement of attachments such as buckets and hydraulic breakers to realize various operations including excavation, crushing, gangue cleaning, road trimming and ditch digging.
Reduced Labor Intensity & Manual Risks
Replaces heavy manual work of slag removal and loading, reduces underground manpower input, and greatly lowers potential personal safety hazards.
Flexible Maneuverability & Easy Site Transfer
Self-propelled with 360° horizontal rotation of the working platform, no additional hoisting and transportation required, enabling fast transfer between different roadways and chambers.
Parameters
Project | Unit | MWD2.1/0.1L | MWD3.3/0.16L | MWD5.5/0.2L | MWD6.8/0.28L | |
Basic Parameters | Standard Bucket Capacity | m³ | 0.1±0.01 | 0.16±0.016 | 0.2±0.02 | 0.28±0.028 |
Operating Mass | kg | 2100±105 | 3300±165 | 5500±275 | 6800±340 | |
MotorRated Power | kw | 22 | 30 | 37 | 55 | |
Hydraulic System Parameters | Rated Pressure | Mpa | 21.5 | 21.5 | 25 | 25 |
Maximum Flow Rate L/ | L/min | 70 | 90 | 110 | 135 | |
Excavation Parameters | Excavation Radius | mm | 3000 | 3500 | 4500 | 5200 |
Excavation Depth | mm | 1500 | 1800 | 2000 | 2400 | |
Excavation Heightmm | mm | 3200 | 3800 | 4700 | 5250 | |
Dumping Height(mm) | mm | 1800 | 2000 | 2500 | 2950 | |
Excavation Parameters | Walking Mode | / | Travel Motor with Built-in Spring Brake | Travel Motor with Built-in Spring Brake | Travel Motor with Built-in Spring Brake | Travel Motor with Built-in Spring Brake |
Travel Form | / | Caterpillar Track Traveling | Caterpillar Track Traveling | Caterpillar Track Traveling | Caterpillar Track Traveling | |
Ground Contact Pressure | Mpa | ≤ 0.1 | ≤ 0.1 | ≤ 0.1 | ≤ 0.1 | |
Travel Speed | m/min | 26.5 | 26.5 | 26.5 | 26.5 | |
Ground Clearance | mm | ≥ 250 | ≥ 250 | ≥ 250 | ≥ 280 | |
Gradeability | ° | ≥14(Applicable slope range: -14° to +14° ) | ≥ 14 (Applicable slope range: -14° to +14° ) | ≥ 14(Applicable slope range: -14° to +14° ) | ≥14(Applicable slope range: -14° to +14° ) | |
Minimum Turning Radius of Track | mm | ≤ 900 | ≤ 1100 | ≤ 1400 | ≤ 1600 | |
Overall Dimensions(Length × Width × Height) | mm | 2700×1000×2050 | 3200×1350×2250 | 3300×1450×2350 | 3350×1550×2600 | |
Environmental Adaptation Conditions
●Space Requirements: Overall height ≤ 3m, width ≤ 2.0m, zero-tail swing design, suitable for narrow roadways.
●Safety Requirements: Models for coal mines must be equipped with MA (Coal Mine Safety) certification; those for metal mines shall comply with mine safety standards.
●Power Adaptation: Explosion-proof electric power is preferred (zero exhaust, low noise); explosion-proof diesel engines are used for long-distance operations and cable-free scenarios.
●Working Condition Hardness: Suitable for coal, shale, sandstone and other ores with hardness f ≤ 8; a crusher must be equipped for hard rock conditions.
System Certification
Committed to standardized operations for many years, the company has obtained multiple authoritative certifications: ISO9001 International Quality Management System Certification, ISO14001-2015 Environmental Management System Certification, OHSA18001 Occupational Health and Safety Management System Certification, AAA Credit Rating Certification, AAA Bank Credit Rating Certification, and 3C Product Certification.



