Product family

YH150

YH150W 13.5-ton wheel excavator features a Cummins 4BTAA3.9 engine, Kawasaki main pump, Rexroth valve, and 0.57m³ bucket. Request a fast factory quote!

View product →

YH210

YH210 20.1-ton heavy-duty wheel excavator features a 133 kW Cummins 6BTAA5.9 engine, Kawasaki pump, Rexroth valve, and 0.86m³ bucket. Request a quote!

View product →

YH60

YH60 5.8-ton wheel excavator features a Yanmar 4TNV98 engine, Rexroth hydraulic pump & valve, and DOOSAN swing motor. Get factory-direct pricing now!

View product →

High-Performance Large Excavators: Built for Heavy Earthmoving, Mining, and Infrastructure Projects

Standard excavators often stall when facing demanding quarrying, large-scale site preparation, and deep foundation trenching. Project delays on high-tonnage sites quickly erode profit margins. Our heavy-duty large excavators deliver the breakout force, hydraulic efficiency, and durability needed to keep critical path operations moving on schedule. Built with reinforced structures and low-emission engines, these high-tonnage machines reduce total cost of ownership while maximizing tons-per-hour output.

High-Torque Engines & Smart Hydraulics: Built for Extreme Workloads

Our large excavator lineup integrates field-tested components engineered to withstand abrasive materials and continuous peak-load operation.

  • Tier 4 Final / Stage V Powertrain: Powered by high-torque Cummins and Perkins diesel engines, delivering high power at low RPM to reduce fuel consumption by up to 15%.
  • Positive Flow Control (PFC) Hydraulics: Variable-displacement twin axial piston pumps allocate oil flow precisely where needed, ensuring smooth compound movements during simultaneous swing and hoist operations.
  • Heavy-Duty Undercarriage Structures: Reinforced X-frame chassis built with high-tensile steel resists torsional stress in rocky terrain. Heavy-duty track rollers, idlers, and sealed track chains extend undercarriage wear life.
  • Reinforced Boom & Arm Assembly: High-stress cast steel junctions and internal baffle plates prevent structural fatigue during deep excavation and heavy bucket breakout forces.
  • Abrasive-Resistant Buckets: Equipped with Hardox® wear plates and customizable tooth systems (rock, heavy-duty, or ditching profiles) to handle granite, iron ore, and compacted clay.

Technical Specifications: Large Excavator Fleet Comparison

Spec / Model Series Heavy Utility (30–38 Ton Class) Mass Excavation (45–55 Ton Class) Mining & Quarry (70–90 Ton Class)
Operating Weight 33,500 kg – 37,800 kg 48,000 kg – 53,500 kg 72,000 kg – 88,000 kg
Rated Power Output 200 kW (268 hp) @ 1,900 rpm 298 kW (400 hp) @ 1,800 rpm 403 kW (540 hp) @ 1,800 rpm
Bucket Capacity Range 1.6 m³ – 2.1 m³ 2.5 m³ – 3.2 m³ 4.0 m³ – 5.6 m³
Max. Digging Depth 7,380 mm 7,720 mm 8,450 mm
Max. Digging Reach 10,920 mm 11,580 mm 12,400 mm
Bucket Breakout Force 235 kN 310 kN 420 kN
Travel Speed (High/Low) 5.2 / 3.2 km/h 4.8 / 3.0 km/h 4.2 / 2.5 km/h
Auxiliary Hydraulic Flow Dual-pump high-flow circuit Dual-pump high-flow circuit Quad-pump heavy line system

Heavy Machinery OEM Partner: Quality Engineering & Global Support

Partnering directly with our manufacturing plant cuts out intermediary markups while providing custom equipment configurations tailored to your specific site conditions.

  • ISO 9001 Certified Manufacturing: Advanced robotic welding, automated heat treatment, and ultrasonic weld inspections ensure long-term structural integrity.
  • Global Component Sourcing: Engine, hydraulic main valve, and travel motor assemblies utilize global supply chains (Kawasaki, Rexroth, Cummins) for straightforward maintenance and local parts replacement worldwide.
  • Rigorous Factory Testing: Every unit undergoes a 50-hour operational stress test, hydraulic pressure testing, and thermal imaging check before export dispatch.
  • Direct Factory Support: OEM technical teams assist with initial equipment commissioning, operator training materials, and emergency spare part dispatching within 48 hours.

Frequently Asked Questions (FAQ)

What maintenance schedule is required for large excavators operating in high-dust environments?

Change engine oil and fuel filters every 250 to 500 operating hours, depending on dust levels. Inspect hydraulic oil filters every 500 hours, and grease pivot points daily. Multi-stage cyclone pre-cleaners protect engine intake systems in dusty quarry environments.

Can these large excavators run heavy hydraulic attachments like rippers or breakers?

Yes. Our machines come factory-configured with dual-way high-flow auxiliary piping. Programmable hydraulic control settings allow operators to adjust pressure and flow rates directly from the in-cab monitor for hydraulic breakers, rock rippers, and heavy shears.

How do large excavators compare to wheeled excavators for earthmoving jobs?

Large crawler excavators deliver far higher breakout forces, stability, and bucket capacity on unpaved terrain, mud, and rock face sites. Wheeled excavators excel in urban environments requiring road mobility between job sites, whereas tracked machines are ideal for heavy production earthmoving.

Request Your Customized Fleet Quote Today

Looking to scale your fleet or upgrade high-tonnage machinery for upcoming bids? Contact our engineering team to receive full product spec sheets, factory-direct pricing, and custom attachment options.