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As the largest material handler in the lineup, the Doosan® DX300MH-5 is built for the most demanding material handling functions. It features a fixed 6 ft. cab riser with hydraulic tilt, straight boom and droop nose stick, sandwiched counterweight, rotate grapple ready hydraulics, and additional guarding.
Careful design, high-pressure common rail fuel injection and four valves per cylinder deliver increased torque and efficient fuel consumption. High-capacity pumps improve productivity, while the swing drive provides rapid cycles.
In addition to four power modes, the DX300MH-5 includes lifting work mode, which provides increased pump torque, low engine RPMs, and an automatic power boost.
Cooling features of the DX300MH-5 include a variable speed fan and a split cooling system, which utilizes both hydraulic oil and engine coolant.
To reach Tier 4 emissions standards, the DX300MH-5 incorporates a high-pressure common-rail (HPCR) fuel delivery system as well as cooled exhaust gas recirculation (CEGR) combined with a diesel oxidation catalyst (DOC) and selective catalyst reduction (SCR). Read about our Tier 4 technologies to learn more.
With all of the other performance, comfort and reliability features loaded in all Doosan material handlers, you’ll quickly see why the DX300MH-5 is the picture of productivity.
Rated Flywheel Power (Gross) | 270.9 hp @ 1,800 rpm |
Rated Horse Power (Net) | 358.1 hp @ 1,800 rpm |
Engine Emissions Tier (EPA) | T4 |
Main Pump: Displacement | 8.42 in³/rev |
Control Valve: Relief Valve Pressure (Normal) | 4,978 psi |
Control Valve: Relief Valve Pressure (Boost) | 5,263 psi |
Main Pump: Max. Flow Rate (each) | 65.51 gal/min |
Main Pump: Main Relief Pressure | 5,076 psi |
Upper Rollers: Quantity Per Side | 2 |
Track Length | 16' 2" |
Track Link: Track Gauge | 8' 6" |
Swing Performance: Max Swing Torque | 87787 lbf-ft |
Swing Performance: Max Swing Speed (At Efficiency) | 9.9 rpm |
Travel Performance: Traction Force (Highest Value) | 83258 lbf-ft |
Travel Performance: Traveling Speed - Low (XXX) | 1.86 mph |
Travel Performance: Traveling Speed - High (XXX) | 3.29 mph |
Operating Weight | 79,366 lb |
Standard Boom Length | 25.59 ft |
Standard Arm Length | 17.72 ft |
Shoe Width | 2' 7" |
Shipping Height - Hose (With Attachment) | 11' 4" |
Shipping Length (Without Attachment) | 36' 1" |
Shipping Width (Standard) | 11' 1" |
Overall Height Over Cab | 10' 0" |
Max Digging Reach (Ground) | 42' 7" |
Max Digging Depth | 21' 7" |
Max Loading Height | 46' 3" |
Fuel Tank | 132.09 gal |
Hydraulic System | 84.89 gal |
Engine Coolant | 12.94 gal |
Engine Oil | 9.51 gal |
Hydraulic Tank | 43.59 gal |
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