2021 Komatsu PC400-8R

Komatsu PC400-8R hydraulic excavator core advantages analysis
As a representative model of Komatsu's 40-ton excavator, PC400-8R has outstanding performance in fuel efficiency, operation accuracy and mine adaptability, and is particularly suitable for heavy-load conditions such as hard rock mining and large earthwork projects. The following are its key technical advantages:

1. Efficient power system
🔥 Komatsu SAA6D114E-5 engine

202kW (271 horsepower) power, in line with Tier 4 Final emission standards

CLSS hydraulic system + ECO mode collaborative control, fuel consumption is 12% lower than the previous generation

Dual-stage fuel filtration system (filtration accuracy 3μm), suitable for low-quality diesel

⚙️ Intelligent power regulation

Automatically match the power requirements of accessories such as breaker hammers/buckets

Highland mode (power loss compensation at 3000 meters above sea level)

2. Strengthened structural design
🛡️ Mine-level enhanced configuration

Box-section boom (bending strength increased by 18%)

The chassis adopts an integrated X-frame with a service life of 30,000 hours

Standard rock tooth seat (Hardox 450 material)

⚡ Durability upgrade

Hydraulic oil radiator area increased by 25%

Electrical connectors with three-level dustproof structure

III. Intelligent operation system
🧠 Komatsu intelligent machine control (optional)

Automatic leveling system (accuracy ±2cm)

Excavation trajectory memory function, can store 20 sets of operation modes

3DGNSS antenna integration (no reflective prism required)

📱 7-inch color monitor

Real-time display:

Fuel consumption rate (accurate to 0.1L/h)

Hydraulic system health status

Maintenance remaining time countdown

IV. Human-machine engineering innovation
🚜 Panoramic cab

Industry's largest field of view (stick pin visible in the front window)

Silicone oil shock-absorbing bracket (vibration reduced by 40%)

Automatic anti-glare glass (special for night operation)

🎛️ Multi-function joystick

Integrated throttle adjustment/camera control

With tactile feedback (vibration reminder when overloaded)

V. Convenient maintenance
🛠️ Centralized maintenance design

80% of daily inspections can be completed on the ground

Oil filter can be replaced by rotating 90°

Komtrax remote monitoring (early warning of potential failures)

⏱️ Extra-long maintenance intervals

Engine oil change every 500 hours

Hydraulic oil filter change every 1000 hours