2021 Hyundai R330LC-9S

Analysis of the core advantages of Hyundai R330LC-9S excavator
As the flagship model of Hyundai Heavy Industries' 35-ton medium-sized excavator, the R330LC-9S is specially designed for mining, large earthwork and infrastructure construction, and has reached the industry-leading level in terms of power performance, intelligent control and durability. The following are its six core competitive advantages:

1. Efficient power system
🔥 Cummins QSL9.3 engine

194kW (260 horsepower), in line with Tier 3/National III emission standards

Twin turbocharging technology, low-speed torque increased by 25%

Intelligent power mode (SP/HP/Eco three-speed adjustable)

⚡ IHI hydraulic system upgrade

Dual pump and dual valve core independent control, compound action smoothness improved by 30%

Boom/arm regeneration circuit, energy consumption reduced by 15%

2. Mine-level structural reinforcement
🛡️ Integral X-type frame

80mm ultra-high-strength steel is used in key parts, and torsion resistance is increased by 40%

Four-planet final drive (load capacity increased by 20% compared with the previous generation)

⚙️ Ultra-durable working device

1.45m³ rock bucket (standard Hardox450 wear-resistant plate)

Chrome-plated hydraulic cylinder rod (anti-corrosion life increased by 50%)

III. Intelligent control system
🧠 7-inch color monitoring screen

Real-time display: fuel consumption rate (accuracy 0.1L/h), hydraulic oil temperature

Fault self-diagnosis (store the latest 50 alarm records)

🕹️ Humanized control

Adjustable pilot joystick strength (adapt to different operating habits)

Automatic idle function (automatically reduce speed after 5 seconds of no operation)

IV. Extreme operating efficiency
Operation scenario R330LC-9S efficiency Industry 35-ton average
Hard rock mining 350-450m³/shift 300-400m³/shift
Loading operation 70-90 buckets/hour 60-80 buckets/hour
Fuel consumption 20-23L/h 22-26L/h
V. Maintenance convenience
🛠️ Ground maintenance design

Side-opening engine hood (filter within easy reach)

Centralized lubrication points (daily maintenance time reduced by 40%)

⏱️ Extended maintenance cycle

Engine oil change interval 500 hours

Hydraulic oil filter life 1000 hours