Komac HK335C Crawler Excavator

General Information

• Model: HK335C
• Type: Large Crawler Excavator
• Operating Weight: approx. 33,500 kg
• Applications: Large-scale earthmoving, mining, quarry work, heavy construction, and bulk material handling.

Engine

• Engine Type: 4‑stroke, turbocharged diesel, water‑cooled
• Rated Power: approx. 184–200 kW (≈ 247–268 HP)
• Rated Speed: ~2,000 rpm
• Engine Brand: Typically Cummins or Isuzu (varies by order/region)
• Fuel Tank Capacity: ~ 560 liters

Hydraulic System

• Main Pump Type: Variable displacement axial piston pumps (dual)
• Max Hydraulic Pressure: approx. 34.3 MPa
• Main Pump Flow: ~ 2 × 260 L/min
• Hydraulic Oil Tank Capacity: ~ 310 liters

Working Range

• Bucket Capacity: ~ 1.4–1.6 m³ (standard GP bucket)
• Bucket Digging Force: approx. 220–230 kN
• Max Digging Depth: ~ 7.0–7.2 m
• Max Digging Reach: ~ 10.8–11.0 m
• Max Loading Height: ~ 7.0 m

Dimensions

• Overall Length: ~ 11.0 m
• Overall Width: ~ 3.2 m
• Overall Height (cab top): ~ 3.3 m
• Track Length on Ground: ~ 4.25 m
• Track Shoe Width: 600–700 mm (depending on configuration)

Performance

• Travel Speed: 5.0 km/h (High), 3.2 km/h (Low)
• Swing Speed: ~ 9–10 rpm
• Gradeability: 35°
• Tail Swing Radius: ~ 3.5 m

Special Features

• Heavy-duty reinforced boom and arm for high-load work
• 360° full rotation
• Optional quick coupler and specialized buckets
• ROPS & FOPS certified cab with A/C and ergonomic controls
• Low-emission engine meeting Tier 3/Tier 4 standards
• Advanced hydraulic control system for fuel efficiency