Machine Stable is an authorized distributor of the DEVELON brand under HD Hyundai.

DEVELON DOOSAN DX75-7B Hydraulic Excavator
PRODUCT PARAMETERS
- Model: DEVELON DOOSAN DX75-7B
- Operating Weight: 7 Ton
- Engine Model: Yanmar 4TNV98
- Engine Type: 4-Cylinder Diesel Engine
- Hydraulic System: Load Sensing (LS)
- Bucket Capacity: 0.30 m³
- Hydraulic Components: Premium International Brand
- Control System: Precision Coordinated Hydraulic Control
DESCRIPTION
PRODUCTS DESCRIPTION
The DEVELON DOOSAN DX75-7B Hydraulic Excavator is powered by a Yanmar 4TNV98 four-cylinder engine engineered for fuel-efficient performance and long-term operational durability. The engine delivers stable power output while maintaining optimized fuel consumption, making it suitable for urban construction, infrastructure development, and utility projects. Equipped with an advanced Load Sensing (LS) hydraulic system, the machine automatically adjusts hydraulic flow according to workload demand, significantly reducing energy loss while ensuring precise execution of every operational command. This intelligent hydraulic management enhances efficiency under variable working conditions.
The hydraulic system integrates internationally recognized premium components that have been extensively validated in global markets, ensuring high compatibility and balanced coordination across functions. The optimized control architecture provides smooth motion transitions and responsive handling. With a 0.30 m³ bucket capacity and a boom-priority design, operational speed is increased by more than 20 percent compared to conventional configurations, maximizing excavation productivity and breakout performance. The structural and hydraulic synergy enables consistent digging force output and improved cycle times for high-efficiency site operations.
PRODUCTS STRUCTURE

TECHNICAL PARAMETER
| CATEGORY | DESCRIPTION | ITEM | UNIT | VALUE |
|---|---|---|---|---|
| Engine | Engine Manufacturer | Engine Brand | — | DEVELON |
| Engine | Engine Model | Model | — | 4TNV98 |
| Engine | Maximum Power | Horse Power | kW/rpm | 39/2100 |
| Engine | Emission Standard | Emission Certified | — | China Stage III |
| Engine | Number of Cylinders | No. of Cylinder | — | 4 |
| Engine | Bore & Stroke | Bore & Stroke | mm | 98 × 110 |
| Engine | Displacement | Displacement | cc | 3319 |
| Engine | Maximum Torque | Max Torque | kg·m/rpm | 18.74–20.4/1650 |
| Hydraulic | System Pressure (Working) | System Pressure (Front) | kg/cm² | 250 |
| Hydraulic | Main Pump Maximum Flow | Max Pump Flow (Main) | L/min | 158.4 |
| Hydraulic | Travel Speed | Travel Speed | km/hr | 2.9 / 4.5 |
FAQ
Synertrade is the official distributor of Korea’s DEVELON full line of construction machinery, including excavators, wheel loaders, and rigid trucks. We also offer a wide range of genuine attachments such as buckets, hydraulic breakers, and grapples to meet diverse worksite needs.
Our equipment and attachments are primarily shipped via sea freight to ensure safe delivery to ports worldwide. For urgent or special orders, we can also arrange land or air transport. Full shipping tracking is provided for all orders.
Yes. We offer customization based on specific worksite requirements, including machine configurations, attachment selection, and additional features. Customers provide their requirements, and we deliver professional solutions and quotations.
The process is simple: choose the desired machine and attachments → contact our sales advisor to confirm specifications and pricing → sign the contract → arrange payment and sea shipment → delivery of equipment and attachments. Our team ensures smooth guidance at every step.
We provide DEVELON factory warranties, spare parts supply, maintenance guidance, and technical support. Whether it’s machine or attachment operation, maintenance, or troubleshooting, we ensure your equipment runs efficiently and reliably.








