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DX350LC-7 Crawler Excavator

The new DX350LC-7 large hydraulic crawler excavator combines powerful arm and bucket forces, improved lifting capabilities and superior cycle times to help you do more in less time. The Fine Swing function provides greater control and accuracy in certain lifting applications.

280.3 hp @ 1,800 rpm

Rated Power, Net

83,335 lb

Operating Weight

24' 8"

Dig Depth

Key Specifications

Operator Comfort Is a Priority This -7 Series hydraulic crawler excavator model includes features for operator comfort and easy operation. The Doosan® Smart Touch screen displays all important settings from one, easy-to-read screen. The deluxe, gray faux-leather air-suspension seat resists stains and delivers heating or cooling for a more comfortable temperature throughout the seasons. The optional 360-degree all-around view (AVM) camera system offers a full view of the machine’s surroundings for greater confidence when operating or positioning the machine in tight work areas. Eight powerful LED lights are standard for a clear view of the attachment and the job.
Focused on Fuel Efficiency The DX350LC-7 features a Doosan diesel engine optimized to provide more power output with reduced fuel consumption. To further save fuel, a standard auto-idle feature idles your engine automatically when machine functions are not used for a few seconds. The D-ECO Power system improves productivity and fuel savings by providing the precise amount of hydraulic oil required to perform a task. And Smart Power Control (SPC) maximizes machine efficiency without sacrificing productivity. Four selectable power modes allow you to manage the balance of fuel consumption and machine power to your liking, based on your working conditions.
Main Pump: Displacement 12.2 in³/rev
Control Valve: Relief Valve Pressure (Normal) 5,078 psi
Control Valve: Relief Valve Pressure (Boost) 5,362 psi
Main Pump: Max. Flow Rate (each) 92.46 gal/min
Main Pump: Main Relief Pressure 5,076 psi


Upper Rollers: Quantity Per Side 2
Lower Rollers: Quantity Per Side 9
Track Length 16' 3"
Track Link: Track Gauge --
Swing Performance: Max Swing Torque --
Swing Performance: Max Swing Speed (At Efficiency) 9.3 rpm
Travel performance: Traction Force (Highest Value) --
Travel performance: Traveling Speed - Low (XXX/) 2.11 mph
Travel performance: Traveling Speed - High (/XXX) 3.48 mph
Travel performance: Gradeability 35° @ 70 %
Max Digging Reach (Ground) 35' 11"
Max Digging Depth 24' 8"
Max Loading Height 23' 6"
Arm Digging Force - Pressure up 41,590 lbf
Bucket Digging Force - Pressure up 57,101 lbf
Arm Digging Force - Normal 33,272 lbf
Fuel Tank 158.5 gal
Hydraulic System 100.39 gal
Engine Coolant 14.82 gal
Engine Oil 11.1 gal
Hydraulic Tank 64.19 gal
Lifting Capacity over front @ Horizontal Distance - 10 ft Above Ground 25,948 lb @ 19.68 ft
Lifting Capacity over front @ Horizontal Distance - Ground Level 30,909 lb @ 19.68 ft
Lifting Capacity over front @ Horizontal Distance - 10 ft Below Ground 29,344 lb @ 19.68 ft


Rated Flywheel Power (Gross) 285.6 hp @ 1,800 rpm
Rated Horse Power (Net) 280.3 hp @ 1,800 rpm
Max. Torque (Net) 940 lbf·ft @ 1,300 rpm
Engine Emissions Tier (EPA) T4F


Operating Weight 83,335 lb
Standard Boom Length 21.33 ft
Standard Arm Length 10.5 ft
Standard Bucket Size 1.95 yd³
Shoe Width 2' 7"
Shipping Height - Hose (With Attachment) --
Shipping Length (Without Attachment) 37' 1"
Shipping Width (Standard) 11' 5"
Overall Height Over Cab --

DX350LC-7 Crawler Excavator

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