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BZ520-9
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Engine Power: 300KW/1800rpm Overall Weight: 51T Bucket Capacity: 2.9-3.2m³ TECHNICAL SPECIFICATIONS UNIT SPECIFICATION Working Quality (T) 51 Bucket Capacity (m³) 2.9-3.2 Engine Model Cummins QSM11 Power (kw/r/min) 333/1800 Fuel Tank Capacity (L) 700 Walking Speed(high/low) (km/h) 5.15/2.9 Swing Speed (r/min) 8.1 Climbing Ability (°) 35 Bucket Excavation Force (KN) 272.2 Arm Digging Force (KN) 263.9 Ground Specific Pressure (Kpa) 85.7 Traction Force (KN) 418 Hydraulic Pump Model K5V212 Max Displacement (L/min) 381*2 Working Pressure (MPa) 34.3/37.3 Hydraulic Tank Volume (L) 335 Overall Size (mm) BZ520-9 A-Overall Length 11919 B-Overall Width 3490 C-Overall Height (tope of boom) 3942 D-Overall Height (tope of cab) 3280 E-Gap from Counterweight to Ground 1300 F-Min Ground Clearance 720 G-Tail Swing Radius 3935 H-Length of Track on Ground 4360 J-Track Length 5388 K-Gauge 2740 L-Width of Track 3490 M-Width of Trackshoe 600 N-Width of Turning Table 3125 X-Distance from the Center of Rotation to the Rear End 3935 Y-Track Tooth Thickness 36 Z-Counterweight Height 2830 A1-Grounding Length(during transportation) 7274 Arm Length 2900 Boom Length 6500 Scope of Work (mm) BZ520-9 O-Max. Digging Height 9751 P-Max. Dumping Height 6634 Q-Max. Digging Depth 6926 T-Maximum Excavation Distance 10940 U-Maximum Excavation Distance on the Ground 10713 V-Minimum Turnina Radius 4509 W-Maximum Height at Minimum Turning Radius 9047 
The Crawler excavator is a heavy-duty machine widely used in various construction projects.
1. Excellent Maneuverability and Stability
Maneuverability
The crawler excavator's tracked structure provides exceptional maneuverability. Its unique track structure adapts to a variety of complex terrains, making it easy to navigate soft sand, muddy swamps, and rugged mountains. This maneuverability allows it to be easily moved around the construction site without the need for complex road paving.
Stability
The wide track provides a large contact area with the ground, providing excellent stability during excavation operations. This effectively prevents the excavator from tipping over, whether performing deep excavation or loading materials on slopes. This feature is particularly important in projects such as mining and excavating large-scale construction foundations.
2. Powerful Excavation Performance
Powertrain
The Crawler excavator is equipped with a high-performance engine that delivers powerful power. Combined with an advanced hydraulic transmission system, the speed and force of the excavation action can be precisely controlled. Whether breaking hard rock or rapidly excavating large amounts of earth, it can be accomplished efficiently.
Excavation Tools
The standard bucket is available in a variety of sizes to suit different excavation needs. Furthermore, the excavator's capabilities can be expanded by adding attachments such as breakers and log grapples to meet specific operational requirements. For example, a breaker effectively breaks concrete structures during demolition, while a log grapple facilitates the handling of timber during loading and unloading.
3. Comfortable and Safe Operating Environment
Cab
The Crawler excavator's cab is spacious and bright, offering excellent visibility. The operator panel is strategically arranged, with ergonomically designed handles and buttons for easy operation. The cab also features a comfortable seat and air conditioning, providing an excellent working environment.
Safety Design
The Crawler excavator is equipped with comprehensive safety features, including guardrails and an emergency brake button. During operation, the equipment's status is monitored in real time, and any abnormalities trigger prompt alarms to ensure the safety of the operator and surrounding personnel.
BZ520-9
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