Synertrade specializes in complete excavators, loaders and their attachments.

DEVELON DX705HD Hydraulic Excavator
PRODUCT PARAMETERS
- Model: DX705HD
- Operating Weight: 67,300 kg
- Engine: Cummins
- Rated Power: 563 kW / 2,100 rpm
- Bucket Capacity: 5.0 m³
DESCRIPTION
PRODUCTS DESCRIPTION
The DEVELON DX705HD is a 70-ton hydraulic excavator built for ultra-large mining operations and extreme conditions. Featuring a Cummins 563kW engine, a 5.0m³ standard bucket, and reinforced mining-grade structure, it delivers high efficiency, exceptional durability, and reduced maintenance requirements. The EPOS-10i intelligent control system and SPC power regulation optimize work efficiency while cutting fuel consumption. Core component protections, advanced filtration, and convenient maintenance platforms ensure continuous, reliable operation in demanding projects.
PRODUCTS STRUCTURE

TECHNICAL PARAMETER
Item | Specification |
---|---|
Engine Model | Cummins QSM15 |
Cylinders | 6 |
Bore & Stroke | Φ135 × 169 mm |
Rated Power | 563 kW / 2,100 rpm |
Main Pump Type | Variable Axial Piston Pump |
Main Pump Max Flow | 2 × 460 L/min |
Swing System Drive | Hydraulic Drive |
Swing Reduction | Planetary Gear Reduction |
Swing Brake | Wet Multi-Plate Brake |
Swing Speed | 8.0 rpm |
Boom Cylinder | 2-180 × 125 × 1,795 mm |
Arm Cylinder | 1-215 × 140 × 1,879 mm |
Bucket Cylinder | 1-190 × 130 × 1,465 mm |
Max Digging Force – Arm | 33.6 ton |
Max Digging Force – Bucket | 35.4 ton |
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.