Tracked Backhoe Loader
1. Integrated operation
Achieve seamless process docking of slag removal, loading, transportation and loading, without the need for multiple equipment. Purification devices, cable reception, pipeline transportation, etc. can be installed. The removal and loading equipment supports personalized customization.
2. Preferred for complex terrain operations
The crawler model has a smaller ground contact pressure and can easily cope with complex road conditions such as mud and loose sand. Adopting a modular structure, core components such as conveyor belts and hydraulic arms can be quickly replaced, significantly shortening maintenance time. Moreover, the electric drive method reduces the use of diesel engine oil, filters and other consumables, significantly reducing maintenance costs.
In the evolving landscape of underground mining and tunneling, operational efficiency is increasingly defined by equipment that combines versatility with reduced environmental impact. The Tracked Backhoe Loader represents a significant advancement in material handling technology, integrating excavation, loading, and material transfer into a seamless workflow. Designed specifically for operations where reliability, maneuverability, and cost-effective maintenance are paramount, this crawler backhoe loader delivers consistent performance across challenging underground environments while minimizing consumable costs through intelligent electric drive architecture.
Parameters
Item | ZWY-80/30L | ZWY-80/37L | ZWY-80/45L | ZWY-100/45L | ZWY-120/65L | ZWY-150/55L | ZWY-180/75L | ZWY-220/75L | |
Main Technical Parameters | |||||||||
Applicable Section (Width × Height) m | 3.2×2.2 | 3.5×2.5 | 4×2.5 | 4.8×3.2 | 5.4×4.0 | 5.8×4.5 | 6.2×5 | 7.5×5.5 | |
Applicable Axis Width* | (-16° ~ +16°) | (-20° ~ +20°) | ( -32° ~ +32°) | ||||||
Loading Capacity m³/h | 80 | 100 | 120 | 150 | 180 | 220 | |||
Control Mode | Hydraulic Pilot Control | ||||||||
Main Motor Power KW | 30 | 37 | 45 | 55 | 75 | ||||
Digging Width mm | 3200 | 3500 | 4000 | 4600 | 5400 | 5800 | 6200 | 7000 | |
Digging Distance mm | 1500 | 1600 | 1800 | 2150 | 2500 | 3300 | |||
Digging Height mm | 1800 | 2200 | 3000 | 3500 | 3800 | 4000 | 4300 | ||
Digging Depth mm | 400 | 500 | 800 | 990 | 1050 | ||||
Unloading Height (Adjustable) mm | 1200 | 1450 | 2000 | ||||||
Unloading Distance (Adjustable) mm | 1150 | ||||||||
Max. Rotation Angle* | ±36° | ±45° | ±55° | ||||||
Max. Transport Material Size mm | < φ500 | < φ580 | < φ625 | < φ780 | |||||
Boom Structure | Single Boom | Single Boom (or Double Boom) | Double Boom | ||||||
Hoisting Speed m/min | 44 | ||||||||
Track Gauge (Adjustable) mm | 890 | 890 | 900 | 1110 | 1190 | 1400 | |||
Travel Speed m/s | 0.5 | ||||||||
Ground Clearance mm | 300 | ||||||||
Min. Turning Radius m | ≥ 5 | ≥ 7 | ≥ 8 | ||||||
Ground Pressure MPa | ≤ 0.1 | ||||||||
Rated Working Pressure MPa | 23 | ||||||||
Max. Bucket Size | Length mm | 3350 | 4200 | ||||||
Width mm | 850 | 900 | 1000 | 1100 | 1200 | ||||
Height mm | 1200 | 1400 | 1500 | 1650 | |||||
Max. Bucket Weight Kg | 2300 | 3000 | 3500 | ||||||
Max. Overall Dimensions (Working) | Length mm | 6000 | 6500 | 6800 | 7000 | 7500 | 8800 | ||
Width mm | 1750 | 1800 | 2200 | 2350 | 2640 | ||||
Height mm | 1750 | 1750 | 1800 | 2900 | 3250 | 3600 | 3800 | 4200 | |
Machine Weight Kg | 7600 | 8000 | 8200 | 11200 | 13800 | 15200 | 17800 | 20000 | |
Robust Material Engineering for Underground Durability
The foundation of any high-performance tracked backhoe loader lies in its material selection and construction methodology. Underground environments present continuous exposure to abrasive rock, moisture, and mechanical stress, demanding equipment built to withstand these harsh conditions.
High-Strength Alloy Steel Fabrication
The mainframe and structural components are fabricated from high-strength, low-alloy steel, precision-welded and subjected to stress-relief heat treatment. This process eliminates residual stresses that could lead to structural fatigue under the sustained dynamic loads encountered during excavation and loading cycles. Critical wear zones—including the backhoe bucket, loader bucket, and chassis contact points—are reinforced with replaceable wear-resistant liners fabricated from 400 HB-grade steel. This extends component life significantly in abrasive mining applications, reducing the total cost of ownership for this underground backhoe loader.
Advanced Hydraulic System Components
The hydraulic system utilizes forged steel fittings, seamless tubing, and high-pressure-rated seals sourced from leading international suppliers. All hydraulic cylinders are hard-chrome plated and fitted with dual-stage wiper seals to prevent contamination ingress—a critical consideration in dusty underground environments. The hydraulic tank is fabricated from corrosion-resistant steel and equipped with a pressurized filtration system that maintains fluid cleanliness, ensuring long-term reliability of the crawler excavator loader.
Track Undercarriage Engineering
The undercarriage incorporates induction-hardened track links, manganese steel sprockets, and sealed lubricated track chains. This configuration ensures consistent traction and alignment even when navigating uneven terrain or operating on slopes. The track shoes are available in multiple widths to optimize ground contact pressure for specific site conditions, further enhancing the machine’s adaptability.
Seamless Integrated Workflow and Operational Efficiency
Consolidated Process Docking
Traditional excavation and mucking operations often require multiple equipment types—excavators, loaders, haul trucks, and conveyors—operating in sequence. This creates logistical complexity, increases labor requirements, and introduces multiple points of potential delay. The tracked backhoe loader eliminates this fragmentation through true process integration.
The machine achieves seamless process docking of slag removal, loading, transportation, and loading out into a single, continuous operation. Material excavated by the backhoe arm is immediately transferred to the loader bucket or directly to the integrated conveying system, depending on configuration. This consolidated approach reduces the equipment count required on the heading, minimizes material spillage, and significantly lowers the labor required for clean-up operations. The result is a streamlined workflow where the electric backhoe loader maintains consistent production rates throughout each shift.
Modular Expansion Capabilities
Recognizing that each underground operation presents unique requirements, the tracked backhoe loader is engineered with modular expansion in mind:
Purification Devices: For operations with stringent air quality requirements, an integrated purification system can be installed to manage dust and emissions, ensuring compliance with occupational health standards
Cable Reception Systems: For extended reach in electric-powered configurations, an organized cable reception module enables safe and efficient cable management, reducing handling time and protecting electrical infrastructure
Pipeline Transportation Interfaces: The machine can be configured to interface directly with pneumatic or hydraulic pipeline transport systems, enabling continuous material transfer over extended distances
Additionally, the tracked mucking loader supports personalized customization, allowing operators to specify chassis dimensions, arm configurations, and auxiliary systems tailored to specific site requirements. This ensures that the equipment aligns precisely with the operational constraints of each project.
Superior Terrain Adaptability Through Crawler Design
Low Ground Contact Pressure for Complex Road Conditions
Underground roadways frequently present conditions that challenge conventional wheeled equipment. Water infiltration, clay seams, and poorly consolidated ground can render wheeled loaders ineffective or unsafe. The crawler backhoe loader configuration addresses these challenges directly through its engineered undercarriage.
The tracked design distributes the machine’s weight across a significantly larger surface area compared to wheeled alternatives, resulting in low ground contact pressure. This allows the tracked excavator loader to operate confidently in mud, loose sand, and areas with standing water where other equipment would become immobilized. The self-cleaning track design prevents material buildup between shoes and sprockets, maintaining consistent traction even in sticky ground conditions. This terrain adaptability translates directly to reduced downtime for recovery operations and eliminates the need for costly floor stabilization measures.
Stability Across Gradients
The low center of gravity inherent to the tracked configuration, combined with optimized weight distribution, ensures stability when operating on slopes or uneven surfaces. The machine maintains consistent traction and control regardless of floor conditions, making it a reliable choice for development drifts, ramp construction, and production mucking across diverse geological settings.
Electric Drive Architecture and Maintenance Efficiency
Reduced Consumable Costs Through Electric Drive
The electric drive configuration represents a significant operational advantage for the electric powered backhoe loader. By eliminating the diesel engine, the machine removes the requirement for diesel fuel, engine oil, fuel filters, air filters, and associated consumables. This not only reduces direct operating costs but also eliminates the logistical complexity of fuel delivery to underground work sites.
For operations with established electrical infrastructure, the electric drive system delivers consistent torque characteristics, providing smooth acceleration and precise control for excavation and loading operations. With no on-board combustion emissions, the electric crawler loader is particularly well-suited for confined headings, coal mines, and operations with stringent ventilation constraints.
Modular Structure for Rapid Maintenance
Maintenance efficiency directly impacts operational availability, particularly in remote underground locations. The tracked backhoe loader incorporates a modular design philosophy that simplifies service procedures:
⭐Quick-Change Conveyor System: The conveyor assembly, where equipped, is designed for rapid replacement, with modular sections that can be swapped without extensive disassembly
⭐Hydraulic Arm Accessibility: Critical hydraulic components, including the main control valve bank and pilot controls, are positioned for easy access, reducing diagnostic and repair time
⭐Interchangeable Core Components: Conveyor belts, hydraulic arms, and undercarriage components are standardized across the product line, simplifying spare parts inventory management
⭐This modular approach, combined with the reduced consumable requirements of the electric drive system, significantly shortens maintenance time and substantially lowers overall maintenance costs compared to diesel-powered alternatives.
Key Application Scenarios
The tracked backhoe loader is purpose-built for operations requiring versatility, maneuverability, and cost-effective operation:
●Underground Mine Development: Ideal for drift development, ramp construction, and drawpoint loading in metal, non-metal, and coal mines
●Tunnel Construction: Supports civil engineering projects including railway, highway, and water conveyance tunnels requiring reliable excavation and mucking capability
●Underground Infrastructure: Suitable for foundation pit excavation, underground storage facilities, and utility tunnel construction
●Constrained Access Operations: Compact dimensions and tracked mobility enable operation in narrow drifts and restricted spaces where larger equipment cannot maneuver
Frequently Asked Questions (FAQ)
Q1: What customization options are available for this tracked backhoe loader?
The machine supports extensive personalized customization. Options include chassis width adjustments to match specific drift dimensions, backhoe arm configurations for varying reach requirements, auxiliary systems such as purification devices or cable reception modules, and specialized bucket designs for specific rock types. The modular architecture ensures that custom configurations maintain the same reliability standards as standard models.
Q2: How does the electric drive configuration impact ventilation requirements compared to diesel alternatives?
The electric drive configuration produces no on-board combustion emissions, significantly reducing ventilation requirements compared to diesel-powered equipment. This makes the electric tracked backhoe loader particularly advantageous for operations with ventilation constraints, confined headings, or stringent air quality standards. The elimination of diesel exhaust also improves working conditions for operators and nearby personnel.
Q3: What is the typical maintenance schedule, and how does the modular design reduce downtime?
Routine maintenance intervals are structured around 250-hour, 500-hour, and 1,000-hour service points. The modular design allows core components—including the hydraulic arm assemblies and conveyor systems—to be replaced quickly without specialized tools. This means that major component replacements can be performed by site maintenance teams in hours rather than days, significantly reducing downtime compared to equipment requiring factory-level service.
Q4: How does the machine perform on soft ground or muddy conditions typical in underground operations?
The tracked undercarriage provides low ground contact pressure, distributing the machine’s weight to prevent sinking in soft ground. The self-cleaning track design maintains traction in muddy conditions, and the low center of gravity ensures stability even on uneven surfaces. This makes the tracked backhoe loader the preferred choice for operations where floor conditions are poor or variable.






