SDSG DC350 Crawler Excavator

SDSG DC350 Crawler Excavator

Product Model:DC350

The DC350 is a 33-ton class crawler hydraulic excavator featuring a conventional powertrain. It is equipped with a Cummins 6CT8.3 diesel engine delivering a rated power of 194 kW at 2000 rpm. Paired with a high-flow hydraulic system, it provides robust power and high reliability for large-scale construction projects.

With an operating weight of 34,600 kg and a 1.65 m³ bucket, the machine offers exceptional digging performance and an extensive operating range. It features a reinforced undercarriage, a high-capacity fuel tank, and high-performance hydraulic components, making it suitable for demanding environments such as mining, large-scale earthworks, and infrastructure construction.


Parameter Specifications

Parameter NameParameter value
Operating Weight(kg)34600
Bucket Capacity(m³)1.65
Boom Length(mm)6255
Arm Length(mm)3150
Machine Class(t)33-Ton Class
Bucket TypeBackhoe
Swing Speed(rpm)11.4
Swing Torque(kN/m)92
Travel Speed(km/h)5.0/3.1
Ground Pressure(kPa)56
Bucket Digging Force(kN)188/199.9
Arm Digging Force(kN)127.5/135.3
Engine ModelChina III Cummins 6CT8.3
Rated Power(kW/rpm)194kW/2000RPM
Displacement(L)8.3
Number of Cylinders6
Working Type4-Stroke, Water-Cooled, Direct Injection
Main Pump TypeVariable Axial Piston Pump
Main Pump Max Flow(L/min)2×246
Working Hydraulic Pressure(MPa)Standard: 27.9 / Turbocharged: 34.3
Pilot Pump Flow(L/min)28.5
Fuel Tank Capacity(L)450
Hydraulic Tank Capacity(L)290
Transport Length(mm)10820
Transport Width(mm)3300
Transport Height(mm)3365 (to the Top of the Boom)
Cab Height(mm)3255
Upper Structure Width(mm)2960
Track Ground Contact Length(mm)4010
Track Length(mm)4930
Track Shoe Width(mm)600
Overall Track Width(mm)3300
Track Gauge(mm)2700
Minimum Ground Clearance(mm)500
Rear Swing Radius(mm)3200
Max Digging Radius(mm)10705
Max Digging Depth(mm)7190
Max Digging Height(mm)10495
Max Dumping Height(mm)7470
Max Vertical Digging Depth(mm)6220
Max Effective Digging Depth(mm)6505/7810/7150/13680
Engine ConfigurationCummins China III
Pump ModelDoosan K3V Series
ValveKorean-Imported HF
Swing MotorImported Danfoss
Travel MotorAIDI


Main Functions

The DC350 is a 33-ton class crawler hydraulic excavator featuring a conventional powertrain. It is equipped with a Cummins 6CT8.3 diesel engine delivering a rated power of 194 kW at 2000 rpm. Paired with a high-flow hydraulic system, it provides robust power and high reliability for large-scale construction projects.

With an operating weight of 34,600 kg and a 1.65 m³ bucket, the machine offers exceptional digging performance and an extensive operating range. It features a reinforced undercarriage, a high-capacity fuel tank, and high-performance hydraulic components, making it suitable for demanding environments such as mining, large-scale earthworks, and infrastructure construction.


Application Scenarios

1. Large-scale Mining Operations

Suitable for heavy-duty tasks such as overburden removal, ore extraction, and loading/transport.

2. Large-scale Earthworks

Applicable to major earthmoving projects for highways, railways, airports, and industrial parks.

3. Infrastructure Construction

Suitable for water conservancy projects, municipal engineering, bridge foundations, and underground construction.

4. Building Foundation Excavation

Meets the requirements for large building foundation pits, deep excavation projects, and complex construction environments.

5. Rock and Hard-Ground Operations

Leverages powerful digging force and a stable structure to handle challenging conditions involving rock and hard soil.


Core Advantages

1. Powerful Output

Equipped with a Cummins 6CT8.3 engine (194 kW rated power), it offers ample power reserves to meet the demands of prolonged, high-load operations.

2. Superior Digging Performance

Features a maximum digging radius of 10,705 mm, a maximum digging height of 10,495 mm, and a maximum digging depth of 7,190 mm, covering a wide operating range.

3. Exceptional Digging Capability

Delivers a maximum bucket digging force of 199.9 kN and a maximum arm digging force of 135.3 kN, easily handling hard soil layers and large-scale engineering tasks. 4. High-Efficiency Hydraulic System

Utilizes variable-displacement axial piston pumps with a maximum main pump flow rate of 2 × 246 L/min, enhancing operational speed and construction efficiency.

5. Stable and Reliable Undercarriage

Features an overall track width of 3,300 mm and 600 mm wide track shoes, ensuring excellent ground contact performance and improving both equipment stability and adaptability to complex terrain.

6. Capability for Prolonged Continuous Operation

Equipped with a 450 L fuel tank and a 290 L hydraulic oil tank, reducing the frequency of refueling and maintenance stops to enhance operational continuity.


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