The EC400 CN4 is a robust 40-ton class large crawler excavator designed to meet China's stringent National Stage IV emission standards. Powered by the proven D13 engine, it delivers a significant 16% increase in productivity and approximately 10% higher fuel efficiency compared to its predecessor. Engineered for durability and intelligent operation, it stands as a reliable, high-yield solution for large-scale earthmoving, quarrying, and infrastructure projects.
EC400 CN4 Crawler Excavator
The EC400 CN4 is engineered for maximum uptime and performance in the toughest conditions. At its core is the D13 engine, a Stage IV compliant power unit known for its reliability and high torque at low rpm. It is paired with an advanced electro-hydraulic system that provides power on demand, enabling smooth, responsive, and fuel-efficient operation. The machine’s reinforced structure, including the undercarriage and front linkage, is built for durability. The industry-renowned Care Cab offers an exceptionally quiet and comfortable environment with excellent visibility, helping operators maintain high productivity throughout long shifts.
| Item | Details |
|---|---|
| Model | EC400 CN4 |
| Operating Weight | 40,200 – 45,140 kg |
| Engine | D13 Engine, Stage IV Compliant |
| Rated Power | 253 kW |
| Bucket Capacity | 1.35 – 3.0 m³ |
| Max. Digging Depth | 6,990 mm |
| Max. Digging Reach | 10,695 mm |
| Bucket Digging Force | 198 kN (Normal) / 215 kN (Power Boost) |
| Arm Digging Force | 196 kN (Normal) / 213 kN (Power Boost) |
🔹 Proven Stage IV Power & Exceptional Efficiency
Equipped with the field-proven D13 Stage IV engine, delivering robust power while achieving up to 10% better fuel efficiency than the previous generation. Features like ECO mode and engine auto-idle/stop eliminate unnecessary fuel consumption.
🔹 Intelligent Hydraulics for Higher Productivity
The advanced electro-hydraulic system precisely matches hydraulic flow to operational demand, reducing internal losses. This, combined with a larger bucket design, contributes to a 16% boost in productivity.
🔹 Dig Assist & Smart Operations
Features the 10-inch Co-Pilot display with Dig Assist system. This suite of smart applications (including 2D/3D guidance and on-board weighing) helps operators work more accurately and efficiently, maximizing output on every job.
🔹 Durable Design for Maximum Uptime
Built with durability in mind. Easy ground-level service access to filters, lubrication points, and the one-layer cooling package simplifies daily maintenance and minimizes downtime.
✅ Quarrying and Mining: High-volume loading, material handling, and selective excavation.
✅ Large-Scale Earthmoving: Road construction, dam building, and major foundation work.
✅ Infrastructure Development: Digging for ports, railways, and large pipeline projects.
✅ Heavy Industrial Projects: Demolition and site preparation for large factories and plants.