SDSG DC230 Crawler Excavator

SDSG DC230 Crawler Excavator

Product Model:DC230

The DC230 is a 23-ton class crawler hydraulic excavator featuring a high-performance conventional powertrain. It is equipped with a Cummins diesel engine (rated power: 135kW/2000rpm) and an advanced hydraulic system, delivering robust power and stable performance for large-scale construction projects.

With an operating weight in the 23-ton class and a 1.1–1.2 m³ backhoe bucket, the machine offers a wide working range and high excavation efficiency. It utilizes a reinforced crawler undercarriage and a high-power hydraulic system to meet the demands of heavy-duty operations in mining, earthmoving, municipal works, and large-scale infrastructure projects.


Parameter Specifications

Parameter NameParameter value
Operating Weight(T)23-Ton Class
Bucket Capacity(m³)1.1-1.2
Boom Length(m)5.7
Arm Length(m)2.9
Bucket TypeBackhoe
Swing Speed(rpm)12.4
Swing Torque(kN/m)79
Travel Speed(km/h)4.9/3.1
Ground Pressure(kPa)48
Bucket Digging Force(kN)165/177.9
Arm Digging Force(kN)107.5/115.3
Engine ModelCummins
Rated Power(kW/rpm)135KW/2000
Displacement(L)6.7L
Number of Cylinders6
Working Type4-Stroke, Water-Cooled, Electronic Fuel Injection
Main Pump TypeVariable Axial Piston Pump
Main Pump Max Flow(L/min)2×109
Working Hydraulic Pressure(MPa)Standard: 27.9 / Turbocharged: 34.3
Pilot Pump Flow(L/min)28.5
Fuel Tank Capacity(L)350
Hydraulic Tank Capacity(L)210
Transport Length(mm)9510
Transport Width(mm)3000
Transport Height(mm)3030
Cab Height(mm)3030
Upper Structure Width(mm)2880
Track Ground Contact Length(mm)3500
Track Length(mm)3630
Track Shoe Width(mm)600
Overall Track Width(mm)3000
Track Gauge(mm)2400
Minimum Ground Clearance(mm)480
Rear Swing Radius(mm)2750
Max Digging Radius(mm)9910
Max Digging Depth(mm)6660
Max Digging Height(mm)9660
Max Dumping Height(mm)6810
Max Vertical Digging Depth(mm)6045
Engine ConfigurationChina III Cummins QSB7
Pump ModelDoosan K3V Series 112
ValveKorean-Imported HP
Swing MotorAIDI
Travel MotorAIDI


Main Functions

The DC230 is a 23-ton class crawler hydraulic excavator featuring a high-performance conventional powertrain. It is equipped with a Cummins diesel engine (rated power: 135kW/2000rpm) and an advanced hydraulic system, delivering robust power and stable performance for large-scale construction projects.

With an operating weight in the 23-ton class and a 1.1–1.2 m³ backhoe bucket, the machine offers a wide working range and high excavation efficiency. It utilizes a reinforced crawler undercarriage and a high-power hydraulic system to meet the demands of heavy-duty operations in mining, earthmoving, municipal works, and large-scale infrastructure projects.


Application Scenarios

1. Large-scale Earthmoving

Suitable for continuous operations such as large-site excavation, earth transport, and foundation construction.

2. Mining and Quarrying

With strong digging force and a stable undercarriage, it is ideal for overburden removal, ore loading, and aggregate operations.

3. Infrastructure Construction

Suitable for highways, railways, water conservancy projects, and urban infrastructure development.

4. Large-scale Building Construction

Capable of deep foundation pit excavation, underground construction, and major earthmoving tasks.

5. River and Water Conservancy Works

Suitable for projects such as river dredging, dam construction, and canal excavation.


Core Advantages

1. Powerful Powertrain

Equipped with a Cummins diesel engine delivering a rated power of 135kW; provides ample power for prolonged, high-load operations.

2. Excellent Excavation Performance

Features a maximum digging radius of 9,910 mm, a maximum digging height of 9,660 mm, and a maximum digging depth of 6,660 mm, ensuring a wide operating range.

3. Superior Digging Capability

Delivers a maximum bucket digging force of 177.9 kN and a maximum arm digging force of 115.3 kN, easily handling hard soil layers and complex working conditions. 4. High-Efficiency Hydraulic System

Equipped with variable-displacement axial piston pumps, the main pump delivers a maximum flow rate of 2 × 109 L/min; rapid response times enhance operational efficiency.

5. Stable and Reliable Undercarriage

The total track width reaches 3,000 mm with 600 mm wide track shoes, ensuring excellent ground contact and superior equipment stability.

6. High-Capacity Design

Features a 350 L fuel tank and a 210 L hydraulic oil tank, minimizing downtime for refueling and extending continuous operation capabilities.


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