DOOSAN® DX225LC-7 Medium Hydraulic Excavator

Basic Machine Parameters

[Dimensions & Weight] Overall Length 10145mm × Width 2990mm × Height 3085mm, Operating Weight 23595kg (LC extended undercarriage, 600mm single-grouser track shoes, 5.7m standard boom + 2.9m standard stick, 1.17m³ earth bucket, standard configuration only, excluding all optional accessories)

I. Standard Configuration

Powertrain

Equipped with Doosan DL06V inline six-cylinder turbocharged water-cooled diesel engine, displacement 5.89L, rated net flywheel power 121kW @ 1800rpm, peak torque 804N·m @ 1400rpm. High-pressure common rail electronic fuel injection with DOC+SCR exhaust aftertreatment, complying with China National Stage IV, EU Stage V off-road emission standards.
Dual D-ECOPOWER electronically controlled variable displacement piston hydraulic pumps, no mechanical gearbox. Travel motors integrate oil-immersed wet multi-disc parking brakes with independent left & right travel brake locks; braking system complies with ISO 10265 safety standard for construction machinery. Standard fully automatic hydraulic track tensioner & viscous clutch temperature-controlled cooling fan, engine cold start preheating device.

Hydraulics & Working Equipment

Dual-pump electronic sensing hydraulic system, max single pump flow 210.6L/min, 131L hydraulic oil tank, total hydraulic system capacity 252L. Equipped with boom & stick regeneration energy-saving circuit, floating boom valve, travel shock-absorbing valves, electronic real-time main circuit pressure monitoring and three-stage suction & return oil filtration system.
Standard 5.7m boom + 2.9m stick with 1.17m³ general earth bucket. Bucket breakout force 162kN (power boost), stick breakout force 114kN, maximum dump height 6760mm, maximum digging depth 6590mm, no front dozer blade, swing speed 11.3rpm.

Machine Configuration

Fully enclosed shock-absorbing ROPS/FOPS safety cab with rollover & falling object protection. Standard automatic constant temperature air conditioner, suspended high-back breathable shock absorption operator seat and 10.2-inch color LCD intelligent fault code monitor display. Full 24V DC electrical system with real-time audible & visual alarms for engine load, coolant temperature, oil pressure, hydraulic oil temperature and main pump pressure.
Standard LC extended medium undercarriage, factory-fitted 600mm single-grouser steel track shoes, minimum rear swing radius 2910mm, dual-speed max travel speed 5.6km/h, low speed 3.5km/h, gradeability 35°, ground contact pressure 52.5kPa, 8 track rollers & 2 carrier rollers per side.

Service Capacities

Engine oil: 27L
Total hydraulic system oil: 252L
Travel motor gear oil: 5.5L per side
Swing motor gear oil: 5L
Coolant: 29L
Fuel tank capacity: 410L

II. Optional Configuration (Dimension & Weight Increment Marked for Each Item)

Cab Options

1. Remote central door lock: +5kg weight, unchanged overall dimensions
2. Proportional multi-function pilot control levers: +7kg weight, unchanged overall dimensions
3. On-board Bluetooth radio audio system: +6kg weight, unchanged overall dimensions
4. Heated & ventilated seat + electrically heated rearview mirrors: +11kg weight, unchanged overall dimensions
5. Dual-side rearview monitoring camera: +4kg weight, unchanged overall dimensions
6. High-strength steel protective window mesh: +20kg weight, width +40mm, height unchanged
7. Foldable sunshade protective canopy: +34kg weight, overall height +220mm

Travel & Undercarriage Options

1. Reinforced heavy-duty hydraulic travel motors: +20kg per side, total weight +40kg, unchanged dimensions
2. Multi-stage heavy-duty dust-proof air cleaner: +14kg weight, overall height +50mm
3. Sealed low-temperature cooling preheating kit for frigid regions: +20kg weight, unchanged dimensions
4. Widened 700mm double-grouser track shoes (replacement for standard 600mm tracks): overall width +100mm, total weight +165kg
5. Extended heavy-duty LC undercarriage assembly: overall length +300mm, +115kg weight

Working Equipment Options

1. Dual-circuit auxiliary hydraulic piping for hydraulic breakers: +14kg weight, unchanged dimensions
2. Narrow trenching bucket (replacement for standard earthmoving bucket): -38kg weight, unchanged overall length
3. Reinforced heavy rock bucket (replacement for standard earthmoving bucket): +56kg weight, unchanged overall length
4. Extended 6.4m boom / 3.5m stick (replacement for standard 5.7m boom + 2.9m stick): overall length +600mm, +108kg weight
5. Thickened wear-resistant bucket teeth & side guard assembly: +24kg weight, unchanged dimensions
6. Auxiliary hydraulic piping for demolition long front: +18kg weight, overall length +780mm, +145kg weight

Safety & Special Site Options

1. ID chip anti-theft immobilizer system: +5kg weight, unchanged overall dimensions
2. Remote fault diagnosis & program calibration module: +7kg weight, unchanged dimensions
3. All-weather high-brightness LED auxiliary work light group: +13kg weight, overall height +55mm
4. -40°C ultra-low temperature cold start preheating kit: +11kg weight, unchanged dimensions
5. Reinforced thickened boom frame: +96kg weight, overall length +65mm
6. Complete mine heavy-duty wear-resistant steel tracks: overall width +100mm, +185kg weight
7. Full-machine full-coverage anti-collision protective frame: +50mm width on each side (total width +100mm), +192kg weight