Editorial Technical Reference

Mining Excavator

This page explains how Mining Excavator is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A heavy-duty, high-capacity excavator specifically engineered for surface mining operations to extract minerals, ores, and overburden.

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Product Specifications

Technical details and manufacturing context for Mining Excavator

Definition
A mining excavator is a large-scale, high-performance earthmoving machine designed for the rigorous demands of surface mining. It features reinforced structures, powerful hydraulic systems, and specialized attachments to efficiently handle massive volumes of material, such as coal, iron ore, copper, and overburden removal. These machines are characterized by their exceptional digging force, reach, and bucket capacity, enabling continuous operation in large-scale open-pit mines. The excavator operates on a hydraulic system powered by a high-output diesel engine. The engine drives hydraulic pumps that pressurize hydraulic fluid. This pressurized fluid is directed through control valves to hydraulic cylinders and motors. The operator uses joysticks in the cab to control these valves, which actuate the cylinders to move the boom, arm, and bucket through their digging cycle (dig, lift, swing, dump). The undercarriage, typically crawler-mounted, provides mobility and stability on uneven terrain. Advanced models may incorporate electronic control systems for precision, efficiency monitoring, and automation features. Typical specifications include an operating weight of 50–120 metric tons, engine power of 250–600 kW (ISO 9249), bucket capacity of 2.5–8.0 cubic meters (ISO 7451), max digging depth of 6.5–10.5 meters (ISO 6015), and max reach at ground level of 10.0–15.0 meters (ISO 6015). Hydraulic system pressure ranges from 28–35 MPa, swing speed 5–8 r/min, max digging force (bucket) 180–350 kN, and max digging force (arm) 150–280 kN (ISO 6015). Operating temperature range is -20 to 50 °C (ISO 2867). Hydraulic oil capacity is 300–800 L, fuel tank capacity 500–1200 L, max travel speed 2.5–4.5 km/h, and ground bearing pressure 80–150 kPa. Materials include high-strength and abrasion-resistant steel. Always verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The excavator operates on a hydraulic system powered by a high-output diesel engine. The engine drives hydraulic pumps that pressurize hydraulic fluid. This pressurized fluid is directed through control valves to hydraulic cylinders and motors. The operator uses joysticks in the cab to control these valves, which actuate the cylinders to move the boom, arm, and bucket through their digging cycle (dig, lift, swing, dump). The undercarriage, typically crawler-mounted, provides mobility and stability on uneven terrain. Advanced models may incorporate electronic control systems for precision, efficiency monitoring, and automation features.
Common Materials
High-Strength Steel, Abrasion-Resistant Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Operating WeightRequired50–120 metric tonsThe total weight of the machine including standard equipment and fluids.
Engine PowerRequired250–600 kWNet power output of the primary diesel engine.ISO 9249
Bucket CapacityRequired2.5–8.0 cubic metersHeaped capacity of the standard digging bucket.ISO 7451
Max Digging DepthRequired6.5–10.5 metersMaximum vertical distance the bucket can reach below ground level.ISO 6015
Max Reach at Ground LevelRequired10.0–15.0 metersHorizontal distance from the machine's center of rotation to the bucket cutting edge at ground level.ISO 6015
Operating Pressure28–35 MPaHydraulic system pressure.
Swing Speed5–8 r/minRotation speed of upper structure.ISO 6015
Max Digging Force (Bucket)180–350 kNBreakout force at bucket edge.ISO 6015
Max Digging Force (Arm)150–280 kNForce at arm cylinder.ISO 6015
Operating Temperature Range-20–50 °CAmbient temperature for standard operation.ISO 2867
Hydraulic Oil Capacity300–800 LTotal system oil volume.
Fuel Tank Capacity500–1200 LDiesel fuel tank volume.
Max Travel Speed2.5–4.5 km/hLow speed for stability.ISO 6015
Ground Bearing Pressure80–150 kPaWith standard tracks.ISO 6015

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Upper Structure
    Houses the operator's cab, engine, hydraulic pumps, main control valves, and swing mechanism. It rotates 360 degrees on the undercarriage.
    Material: High-strength steel frame with sound-dampened operator cabin.
  • Undercarriage
    Provides mobility and support for the machine. Typically a crawler system with tracks, idlers, rollers, and sprockets for stability on soft or uneven ground.
    Material: Abrasion-resistant steel track links and rollers.
  • Work Equipment (Boom, Arm, Bucket)
    The articulated linkage (boom and arm) and attachment (bucket) used to perform digging, lifting, and dumping motions.
    Material: High-strength and wear-resistant steel castings and plates.
  • Hydraulic System
    Converts engine power into hydraulic fluid pressure to actuate cylinders and motors for all machine movements (boom, arm, bucket, swing, travel).
    Material: Steel hydraulic cylinders, hoses, pumps, and valves; synthetic hydraulic fluid.
  • Bucket (Standard Digging)
    Primary tool for digging and carrying material. Features teeth for penetration and a shape designed for high fill factor.
    Material: Abrasion-resistant steel body with forged alloy steel teeth.
  • Diesel Engine
    High-output prime mover driving the hydraulic pumps.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Mining Excavator.

Mining Shovel Large Mining Excavator Hydraulic Mining Excavator Face Shovel

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Hydraulic system: up to 350 bar
flow rate: Hydraulic flow: 300-800 L/min
temperature: -20°C to +50°C
digging depth: Up to 15 meters
operating weight: 80-800 metric tons
slurry concentration: Not applicable (dry material handling)
Media Compatibility
✓ Coal mining operations ✓ Iron ore extraction ✓ Copper mining
Unsuitable: Underwater or submerged environments
Sizing Data Required
  • Required daily production volume (tons/day)
  • Material density and hardness (e.g., rock type)
  • Maximum digging depth requirement

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hydraulic cylinder seal failure
Cause: Contamination from abrasive mining particulates, improper fluid filtration, and extreme pressure cycling causing seal extrusion and wear
Boom and stick structural fatigue cracking
Cause: Cyclic loading from continuous digging operations, stress concentrations at weld joints, and material degradation from impact with hard rock formations
Maintenance Indicators
  • Unusual metallic grinding or knocking sounds from swing gear mechanism during rotation
  • Visible hydraulic fluid leaks at cylinder rod seals or hose connections exceeding manufacturer's allowable drip rate
Engineering Tips
  • Implement proactive oil analysis program with particle counting to monitor hydraulic fluid contamination levels and schedule filter changes based on actual condition rather than fixed intervals
  • Establish regular thermographic inspection schedule for electrical components and structural welds to detect abnormal heat patterns indicating developing faults before catastrophic failure

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 3457: Earth-moving machinery - Guards and shields - Definitions and requirements ANSI/ASME B30.5: Mobile and Locomotive Cranes

Quoted from the published standard.

Manufacturing Precision
  • Cylinder Bore Diameter: +/-0.025mm
  • Structural Weld Alignment: 1.5mm over 1m length
Quality Inspection
  • Magnetic Particle Inspection (MPI) for critical welds
  • Hardness Testing (Rockwell/Brinell) for bucket teeth and cutting edges

Manufacturers of Mining Excavator

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

SANY Group
Taiwan, CN
Also makes: Truck-Mounted Concrete Pump, Rotary Drilling Rig, Rough Terrain Crane and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
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Frequently Asked Questions

What is the typical operating weight range for a mining excavator?

According to the directory data, the operating weight ranges from 50 to 120 metric tons. This includes standard equipment and fluids. Always confirm the exact weight for a specific model with the manufacturer.

Which standards are referenced for the specifications?

The listed standards include ISO 9249 for engine power, ISO 7451 for bucket capacity, ISO 6015 for digging depths and forces, and ISO 2867 for operating temperature range. These are reference standards for verification; they do not imply certification.

What materials are used in the construction?

The materials on file are high-strength steel and abrasion-resistant steel. These are typical for heavy-duty mining equipment, but specific grades and applications should be confirmed with the manufacturer.

How does the hydraulic system work?

A diesel engine drives hydraulic pumps that pressurize fluid. The operator controls valves via joysticks, directing fluid to cylinders and motors to move the boom, arm, and bucket through the digging cycle. The crawler undercarriage provides mobility and stability.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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