Editorial Technical Reference

Mini Excavator

This page explains how Mini 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 compact, tracked or wheeled earthmoving machine designed for light excavation, trenching, and material handling in confined spaces.

Product Specifications

Technical details and manufacturing context for Mini Excavator

Definition
A mini excavator is a small, self-propelled construction machine equipped with a hydraulic arm, bucket attachment, and rotating cab, typically weighing between 1 to 8 tons. It is engineered for precision digging, demolition, landscaping, and utility work in areas with limited access where larger excavators cannot operate efficiently. The machine's compact footprint and low ground pressure make it suitable for indoor or urban projects, while its hydraulic system provides precise control for fine grading and utility installation. Mini excavators are commonly used in residential construction, road maintenance, and agricultural applications. They are available with either tracked or wheeled undercarriages, each offering distinct advantages in terms of traction and mobility. The operating weight ranges from 1.5 to 8 tons, and engine power typically falls between 10 and 60 kW, depending on the model. Digging depth can reach up to 4.5 meters, and bucket capacity varies from 0.02 to 0.2 cubic meters. Hydraulic system pressure is typically between 20 and 35 MPa, and the upper structure can rotate at speeds of 8 to 12 revolutions per minute. Travel speeds range from 2.5 to 5.5 km/h, and ground pressure with standard tracks is between 25 and 50 kPa. The electrical system operates at 12 to 24 volts DC, and the machine is designed to function in ambient temperatures from -20°C to 50°C. Noise levels at the operator's ear are typically between 70 and 90 dB(A). Track shoe width ranges from 200 to 450 mm. These specifications are reference ranges; actual values must be confirmed with the manufacturer for specific models. Standards such as ISO 9249 for engine power, ISO 7451 for bucket capacity for operating pressure, ISO 16750-2 for electrical voltage, and ISO 6395 for noise are used as verification references. Always consult the legal manufacturer for model-specific data and compliance.
Working Principle
The mini excavator operates via a diesel or electric engine that powers hydraulic pumps, which transmit fluid pressure to hydraulic cylinders and motors. These control the machine's movements, including boom arm extension, bucket digging/curling, and 360-degree cab rotation, allowing for precise excavation and material displacement. The operator uses joysticks to modulate hydraulic flow, enabling fine control of digging depth and angle. The rotating cab provides visibility and maneuverability in tight spaces. The undercarriage, either tracks or wheels, is driven by hydraulic motors, allowing forward and reverse travel. The hydraulic system's pressure, typically 20-35 MPa, determines the force available for digging and lifting. Safety features include overload relief valves and stability controls. Regular maintenance of hydraulic fluid, filters, and seals is essential to prevent leaks and ensure consistent performance. Failure to maintain proper hydraulic pressure can lead to reduced digging force or erratic movements. The machine's operational limits are defined by its specifications, such as maximum digging depth and bucket capacity, which should not be exceeded to avoid structural damage or instability.
Common Materials
High-strength steel, Cast iron
Technical Parameters
ParameterTypical rangeNotes & selection driver
Operating WeightRequired1.5–8 tonTotal weight of the machine including standard equipment and fluids
Engine PowerRequired10–60 kWOutput power of the diesel or electric engineISO 9249
Digging DepthRequired2.0–4.5 mMaximum vertical depth the bucket can reach below ground level
Bucket CapacityRequired0.02–0.2 Volume of standard digging bucketISO 7451
Operating Pressure20–35 MPaHydraulic system pressure
Swing Speed8–12 r/minUpper structure rotation speed
Travel Speed2.5–5.5 km/hLow and high speed ranges
Ground Pressure25–50 kPaWith standard tracks
Operating Voltage12–24 V DCElectrical system voltageISO 16750-2
Operating Temperature-20–50 °CAmbient temperature range
Noise Level70–90 dB(A)At operator earISO 6395
Track Width200–450 mmStandard track shoe width

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
  • Undercarriage
    Provides mobility via tracks or wheels and supports the machine's weight
    Material: Steel with rubber or steel tracks
  • Hydraulic Arm (Boom and Stick)
    Extends and positions the bucket for digging and lifting operations
    Material: High-strength steel
  • Bucket
    Primary tool for digging, lifting, and moving materials
    Material: Hardened steel with replaceable teeth
  • Rotating Cab
    Enclosed operator compartment that rotates 360 degrees for visibility
    Material: Steel frame with glass windows
  • Hydraulic Quick Coupler
    Allows rapid attachment changes (e.g., to grapples, breakers, augers)
    Material: Steel
  • Engine
    Diesel or electric prime mover driving the hydraulic pumps.
  • Hydraulic System
    Pumps, valves, cylinders and motors that move every axis.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Mini Excavator.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (hydraulic system: 250-350 bar)
other spec: Max flow rate: 60-120 L/min, Slurry concentration: Not applicable (solid earthmoving)
temperature: -20°C to 40°C
Media Compatibility
✓ Soil excavation ✓ Trenching in clay/sand ✓ Light material handling (gravel, debris)
Unsuitable: Underwater or submerged operations
Sizing Data Required
  • Required digging depth (meters)
  • Operating weight capacity (tons)
  • Available working space dimensions (length × width)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hydraulic system leakage
Cause: Worn seals and hoses due to high pressure cycles, contamination from dirt/debris ingress, and improper assembly or torque specifications
Track system premature wear
Cause: Misalignment of sprockets and idlers, inadequate tension adjustment, and abrasive material accumulation in track components leading to accelerated degradation
Maintenance Indicators
  • Unusual knocking or grinding noises from the undercarriage during operation
  • Visible hydraulic fluid leaks around cylinders, valves, or hose connections under pressure
Engineering Tips
  • Implement regular hydraulic fluid analysis and filtration maintenance to monitor contamination levels and prevent component wear
  • Establish a systematic undercarriage inspection and cleaning protocol after each shift to remove abrasive materials and verify proper track tension

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 10245-1: Cranes - Limiting and indicating devices - Part 1: General ANSI/ASME B30.5: Mobile and Locomotive Cranes

Quoted from the published standard.

Manufacturing Precision
  • Hydraulic cylinder bore: +/-0.025mm
  • Boom arm flatness: 0.15mm
Quality Inspection
  • Non-destructive testing (NDT) - Magnetic particle inspection for structural welds
  • Hydraulic pressure test - System integrity at 1.5x operating pressure

Manufacturers of Mini Excavator

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

Jining Furuide Machinery Manufacturing Co., Ltd. (FURD)
Jining, Shandong, CN
Founded 199020,000 m²
CE ISO9001 ISO14001
Also makes: Road Roller, Hydraulic Power Unit, Power Unit and 1 more
Stated by the company · profile compiled by CNFX from public sources
Chongqing Kyson Machinery Equipment Co., Ltd.
Guangxi, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “301.7 CR mini excavator”
View source page ↗ kysonpower.com · checked 2026-09-16
Guangxi Yuchai Equipment Technology Co., Ltd.
Guangxi, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “1-2.7T Mini Excavators”
View source page ↗ yuchaicm.com · checked 2026-09-16
Henan Rancheng High Tech Materials Co., Ltd.
Zhengzhou, Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Mini Excavator”
View source page ↗ ranchengmachine.com · checked 2026-09-15
Henan Yugong Machinery Co., Ltd.
Zhengzhou, Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Mini Excavator Ripper”
View source page ↗ yugongmachinery.com · checked 2026-09-16
Jining Zhineng Construction Machinery Co., Ltd.
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Mini Excavator”
View source page ↗ zhinengcab.com · checked 2026-08-30
Kassel Machinery (Zhejiang) Co.,Ltd
Zhejiang, CN
Also makes: Backhoe Loader
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “KE17Y Mini Excavator”
View source page ↗ kassel-machinery.com · checked 2026-08-22
Qingdao Promising International Co., Ltd.
Qingdao, Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “MINI EXCAVATORS”
View source page ↗ promisingcn.cn · checked 2026-09-16
RAY Attachments
Changzhou, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Mini Excavator”
View source page ↗ rayattachments.com · checked 2026-09-16
RIMA
Yantai, Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Mini Excavator”
View source page ↗ rimamach.com · checked 2026-09-16
SANY Group
Taiwan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Mini Excavator”
View source page ↗ sanyglobal.com · checked 2026-08-27
Shandong Enmax Machinery Co., Ltd.
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “mini excavator”
View source page ↗ enmaxgroup.com · checked 2026-09-16
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Frequently Asked Questions

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

According to the directory data, the operating weight ranges from 1.5 to 8 tons. This includes standard equipment and fluids. Always confirm the exact weight for a specific model with the manufacturer.

What engine power is available for mini excavators?

Engine power typically ranges from 10 to 60 kW, measured according to ISO 9249. The actual power depends on the engine type (diesel or electric) and the model. Verify with the manufacturer.

What is the maximum digging depth of a mini excavator?

The maximum digging depth is between 2.0 and 4.5 meters, depending on the model and configuration. This is the vertical depth the bucket can reach below ground level. Confirm with the manufacturer for specific models.

What standards are referenced for mini excavator specifications?

The directory lists ISO 9249 for engine power, ISO 7451 for bucket capacity, ISO 16750-2 for electrical voltage, and ISO 6395 for noise level. These are verification references; compliance must be confirmed with the manufacturer.

Data Basis

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

Preliminary Technical Classification
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