Product Overview
The SINOMACH ZG3750LC-9 Hydraulic Excavator is engineered for high-intensity mining and large-scale excavation tasks. With an operating weight of 72,500 kg, an impressive rated power of 377 kW, and a 4.5 m³ bucket capacity, this excavator delivers unmatched performance for demanding operations. Its robust Isuzu 6WG1 turbocharged engine ensures reliable power output, making it ideal for mining and earthmoving applications. The design caters to heavy-duty operations while optimizing fuel efficiency and productivity. Incorporating advanced hydraulics, operator comfort features, and reduced maintenance requirements, the ZG3750LC-9 provides immense value in heavy-duty tasks. Its bucket digging force of 420 kN and arm digging force of 365 kN ensure superior capability in handling challenging materials, while the ROPS/FOPS-certified cabin offers maximum safety.
BASIC PARAMETERS
Series: ZG3750
Tonnage Class: Large
Operating Weight: 72,500 kg
Engine Power: 377 kW
Bucket Capacity: 4.5 m³
Bucket Capacity Range: 4.5 m³
ENGINE
Engine Model: ISUZU 6WG1
Engine Brand: ISUZU
Engine Type: High pressure common rail, water cooling, turbocharged
Number of Cylinders: 6
Displacement: 15.681 L
Engine Power: 377 kW
Rated Speed: 1,800 rpm
HYDRAULIC SYSTEM
Main Pump Type: Double piston pump plus gear pump
Main Pump Flow: 280*2+15+45 L/min
WORKING RANGES
Max Digging Reach: 12,200 mm
Max Dig Depth: 7,350 mm
Max Digging Height: 11,520 mm
Max Dumping Height: 7,710 mm
Max Vertical Wall Digging Depth: 5,695 mm
Min Swing Radius: 5,420 mm
Digging Depth (8ft Level Bottom): 7,190 mm
DIGGING FORCES
Bucket Digging Force: 420 kN
Arm Digging Force: 365 kN
BOOM AND ARM
Arm Length: 2,900 mm
SWING SYSTEM
Swing Speed: 7 rpm
TRAVEL SYSTEM
Travel Speed (High): 4.9 km/h
Travel Speed (Low): 3.2 km/h
Max Drawbar Pull: 475 kN
Gradeability: 70 %
Travel Motor Type: KYB
UNDERCARRIAGE (CRAWLER)
Track Shoe Width: 650 mm
Number of Track Shoes (each side): 98
Track Gauge: 3,440 mm
Track Length on Ground: 5,960 mm
Ground Pressure: 105 kPa
Track Rollers (each side): 16
Carrier Rollers (each side): 6
DIMENSIONS
Overall Length: 12,930 mm
Overall Width: 4,310 mm
Overall Height: 3,705 mm
Tail Swing Radius: 4,145 mm
Counterweight Clearance: 1,550 mm
Ground Clearance: 895 mm
FLUID CAPACITIES
Fuel Capacity: 900 L
Hydraulic Tank Capacity: 570 L
Engine Oil Capacity: 52 L
Cooling System Capacity: 76 L
CABIN
Cabin Type: ROPS/FOPS-certified cabin


