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DX55R-7 Mini Excavator

The 48.8-hp DX55R-7 compact excavator offers impressive digging and lifting capabilities ideal for working on congested construction sites.
The reduced tail swing design extends just a few inches beyond the width of the excavator’s tracks, minimizing the chances of hitting objects or buildings when rotating the machine.
The increased counterweight enables offset digging without the need to reposition. The width-protected swing frame allows you to get closer to your work when operating against a structure or obstacle.
Other features include a backfill blade, a rubber track undercarriage and a steel track undercarriage option.

48.8 hp @ 2,200 rpm

Rated Power, Net

11,963 lb

Operating Weight

11' 10"

Dig Depth

Key Specifications

Take on More Jobs With One Machine A variety of standard features enable immediate multi-attachment functionality and quick attachment changes.The DX55R-7 features a thumb-ready arm and hydraulic quick-coupler-ready design. No additional accessories are needed to install a compatible quick coupler — which significantly reduces the time it takes to switch attachments including augers, hydraulic breakers and grapples.Auxiliary hydraulic lines offer quick hose connections to hydraulic attachments. Adjustable flow rates help optimize the response of hydraulic attachments. When running multi-function attachments, optional secondary hydraulics can be added.
Powerful Telematics and Easy Maintenance Doosan® -7 Series mini excavators are engineered to keep you on the job — featuring easy access to regular maintenance points and a powerful telematics system included as a standard feature on every machine.DoosanCONNECT® Telematics monitors the health, location and productivity of your DX55R-7 using a mobile app and website. The system includes an anti-theft feature, which allows you to remotely review, manage and keep track of your machines for added peace of mind.The swing-open tailgate and side-access hood provide easy access to machine service points, and cooling cores can be separated for easy radiator cleaning.
Main Pump: Displacement 3.84 in³/rev
Control Valve: Relief Valve Pressure (Normal) 4,206 psi
Control Valve: Relief Valve Pressure (Boost) 3,046 psi
Main Pump: Max. Flow Rate (each) 36.61 gal/min
Main Pump: Main Relief Pressure --


Upper Rollers: Quantity Per Side 1
Lower Rollers: Quantity Per Side 4
Track Length 8' 2"
Track Link: Track Gauge 5' 2"
Swing Performance: Max Swing Torque 9982 lbf·ft
Swing Performance: Max Swing Speed (At Efficiency) 9.8 rpm
Travel performance: Traction Force (Highest Value) 10,097 lbf
Travel performance: Traveling Speed - Low (XXX/) 1.62 mph
Travel performance: Traveling Speed - High (/XXX) 2.73 mph
Travel performance: Gradeability 35° @ 70 %
Max Digging Reach (Ground) 19' 6"
Max Digging Depth 11' 10"
Max Loading Height 12' 10"
Arm Digging Force - Pressure up 627.22 lbf
Bucket Digging Force - Pressure up 995.9 lbf
Arm Digging Force - Normal 6,151 lbf
Fuel Tank 20.61 gal
Hydraulic System 27.74 gal
Engine Coolant 2.85 gal
Engine Oil 2.43 gal
Hydraulic Tank 12.68 gal
Lifting Capacity over front @ Horizontal Distance - 10 ft Above Ground 3,730 lb @ 15 ft
Lifting Capacity over front @ Horizontal Distance - Ground Level 6,130 lb @ 15 ft
Lifting Capacity over front @ Horizontal Distance - 10 ft Below Ground 4,720 lb @ 15 ft


Rated Flywheel Power (Gross) 48.8 hp @ 2,200 rpm
Rated Horse Power (Net) 48.8 hp @ 2,200 rpm
Max. Torque (Net) --
Engine Emissions Tier (EPA) Tier 4


Operating Weight 11,963 lb
Standard Boom Length 8.86 ft
Standard Arm Length 5.25 ft
Standard Bucket Size 0.21 yd³
Shoe Width 1' 3"
Shipping Height - Hose (With Attachment) 8' 4"
Shipping Length (Without Attachment) 17' 10"
Shipping Width (Standard) 6' 5"
Overall Height Over Cab 8' 4"

DX55R-7 Mini Excavator

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