Main specifications
| Engine | |
| Model | Cummins |
| Air intake | Turbocharged |
| Number of cylinders | 6 |
| Cylinder diameter | 100mm |
| Piston stroke | 125mm |
| Rated power | 127.9kW/1,800rpm |
| Cylinder | |
| Boom | 120×85×1,263mm |
| Arm | 135×95×1,443mm |
| Bucket | 120×80×1,060mm |
| Drive and brake | |
| Steering control | Foot pedal and lever integrated control |
| Drive mode | Hydraulic drive |
| Running motor | Axial piston hydraulic motor |
| Running speed (high/low) | 5.2/2.8km/hr |
| Operating brake | Hydraulic brake |
| Operating Weight (operator, lubricants, coolant, full fuel tank and standard equipment) | |
| Bucket | 1.05m³ |
| Operating weight | 21.3ton |
| Boom | 5,700mm HD |
| Arm | 2,900mm HD |
Hydraulic system
| Hydraulic system | |
| Type | Electronic control |
| Maximum flow | 2×210.6L/min |
| Rotation system | |
| Drive mode | Hydraulic drive |
| Deceleration mechanism | Planetary gear reduction |
| Rotation operation brake | Wet multi-disc brake |
| Rotation speed | 10.4rpm |
| Safety valve setting value | |
| Working device hydraulic circuit | 350/370kg/cm² |
| Running hydraulic circuit | 350kg/cm² |
| Rotation hydraulic circuit | 280kg/cm² |
| Oil tank capacity | |
| Fuel tank | 400L |
| Hydraulic oil tank | 196L |
| Urea tank capacity | 45L |
| Coolant/lubricant capacity (replacement) | |
| Radiator | 30L |
| Engine | 29L |
| Running reduction gear oil | 2×3.3L |
| Rotation reducer | 5L |
| Maximum digging force (ISO) | |
| Bucket | 15.3ton |
| Bucket (power boost) | 16.1ton |
| Arm | 9.9ton |
| Arm (power boost) | 10.5ton |
Technical Parameters
| Model | DX230 | ||
| Dimensions | |||
| Transport height (to top of boom) | O | (mm) | 2,890 |
| Transport height (to top of hose) | P | (mm) | 3,005 |
| Transport length | Q | (mm) | 9,571 |
| Transport width | R | (mm) | 2,990 |
| Counterweight ground clearance | S | (mm) | 1,096 |
| Overall height (to top of cab) | T | (mm) | 2,985 |
| Turntable width | U | (mm) | 2,709 |
| Cab height (above turntable) | V | (mm) | 1,889 |
| Overall cab width | W | (mm) | 1,010 |
| Distance between guide and drive wheels | X | (mm) | 3,270 |
| Track length | Y | (mm) | 4,058 |
| Overall width | Z | (mm) | 2,990 |
| Track width | a | (mm) | 600 |
| Track height | b | (mm) | 950 |
| Minimum ground clearance | c | (mm) | 475 |
| Operating range | |||
| Maximum digging distance | A | (mm) | 9,873 |
| Maximum digging distance on ground | B | (mm) | 9,699 |
| Maximum digging depth | C | (mm) | 6,592 |
| Maximum loading height | D | (mm) | 6,830 |
| Minimum loading height | E | (mm) | 2,501 |
| Maximum digging height | F | (mm) | 9,616 |
| Maximum bucket pin height | G | (mm) | 8,274 |
| Maximum vertical arm digging depth | H | (mm) | 3,929 |
| Maximum vertical radius | I | (mm) | 7,988 |
| Maximum digging depth on 8-foot flat ground | J | (mm) | 6,411 |
| Minimum digging radius on 8-foot flat ground | K | (mm) | 2,858 |
| Minimum digging distance | L | (mm) | 562 |
| Minimum rotation radius | M | (mm) | 3,560 |
| Bucket extension angle | d | (°) | 178 |
| Tail rotation radius | N | (mm) | 2,855 |
