Main Specifications
| Engine | |
| Model | Cummins |
| Type | Inline |
| Suction | Turbocharged |
| Number of cylinders | 6 |
| Cylinder diameter | 108mm |
| Piston stroke | 139mm |
| Rated power | 204kW/1,800rpm |
| Rotation system | |
| Drive mode | Hydraulic drive |
| Reduction mechanism | Planetary gear reduction |
| Rotation operating brake | Wet multi-disc brakes |
| Rotation speed | 10.9rpm |
| Drive device and brake | |
| Steering control | Pedal and lever integrated control |
| Drive mode | Hydraulic drive |
| Running motor | Axial piston hydraulic motor |
| Running speed (high/low) | 6.1/3.4km/hr |
| Operation brake | Hydraulic brakes |
| Parking brake | Wet multi-disc brakes |
| Running section | |
| Center frame | X-frame |
| Track frame | Box section structure |
| Track seals | Self-lubricating crawler |
| Track leveling (high/low) | Grease tensioner |
| Number of track shoes | 48 per side |
| Support roller | 2 per side |
| Supporting roller | 9 per side |
Hydraulic system
| Hydraulic motor | |
| Running motor | Axial piston type ×2 |
| Rotation motor | Wet multi-disc brake |
| Main pump | |
| Type | Variable piston pump |
| Maximum flow | 2×288L/min |
| Safety valve setting value | |
| Working device hydraulic circuit | 350kg/cm² |
| Running hydraulic circuit | 350kg/cm² |
| Rotation hydraulic circuit | 300kg/cm² |
| Oil tank capacity | |
| Fuel tank | 500L |
| Hydraulic oil tank | 280L |
| Cylinder | |
| Boom | 140×95×1,450mm |
| Arm | 150×105×1,670mm |
| Bucket | 135×90×1,150mm |
| Antifreeze/lubricant capacity (replacement) | |
| Radiator | 35L |
| Engine | 42L |
| Running reduction gear oil | 2×7L |
Operating Weight
| Operator, lubricants, antifreeze, full fuel tank and standard equipment | |
| Boom | 6,245mm |
| Arm | 3,100mm |
| Bucket | 1.65m³ |
| Track shoes | 600mm |
| Operating weight | 30,900kg |
| Ground pressure | 0.58kg/cm² |
| Maximum digging force (ISO) | |
| Bucket | 16.9ton |
| Bucket (power on) | 17.9ton |
| Arm | 12.8ton |
Technical Parameters
| Model | DX320 | ||
| Boom | (mm) | 6,245 | |
| Arm | (mm) | 3,100 | |
| Bucket | (m³) | 1.65 | |
| Maximum digging reach | A | (mm) | 10,748 |
| Maximum digging reach at ground level | B | (mm) | 10,553 |
| Maximum digging depth | C | (mm) | 7,320 |
| Maximum loading height | D | (mm) | 7,258 |
| Minimum loading height | E | (mm) | 2,732 |
| Maximum digging height | F | (mm) | 10,243 |
| Maximum bucket pin height | G | (mm) | 8,885 |
| Maximum vertical arm digging depth | H | (mm) | 4,414 |
| Maximum vertical radius | I | (mm) | 8,567 |
| Maximum digging depth on 8-foot flat ground | J | (mm) | 7,152 |
| Minimum digging radius on 8-foot flat ground | K | (mm) | 3,084 |
| Minimum digging reach | L | (mm) | 360 |
| Minimum rotation radius | M | (mm) | 4,019 |
| Bucket extension angle | d | (°) | 175 |
| Tail rotation radius | N | (mm) | 3,188 |
| Transport height (to top of boom) | O | (mm) | 3,515 |
| Transport height (to top of hose) | P | (mm) | 3,697 |
| Transport length | Q | (mm) | 10,615 |
| Counterweight ground clearance | S | (mm) | 1,150 |
| Overall height (to top of cab) | T | (mm) | 3,031 |
| Turntable width | u | (mm) | 2,960 |
| Cab height (above turntable) | V | (mm) | 818 |
| Overall cab width | W | (mm) | 1,007 |
| Distance between guide and drive wheels | X | (mm) | 4,039 |
| Track length | Y | (mm) | 4,940 |
| Chassis width (standard) | Z | (mm) | 3,199 |
| Track width | a | (mm) | 600 |
| Track height | b | (mm) | 1,033 |
| Minimum ground clearance | c | (mm) | 506 |
