Main specifications
| Engine | |
| Model | Cummins |
| Number of cylinders | 6 |
| Cylinder diameter & stroke | Φ130mmx160mm |
| Rated power | 331kW/1,800rpm |
| Rotary system | |
| Drive mode | Hydraulic drive |
| Reduction mechanism | Planetary gear reduction |
| Rotation operating brake | Wet multi-disc brake |
| Rotation speed | 8.0rpm |
| Drive device and brake | |
| Steering control | Integrated pedal and lever control |
| Drive mode | Hydraulic drive |
| Running motor | Axial piston hydraulic motor |
| Running speed (high/low) | 4.1/3.3km/hr |
| Operating brake | Hydraulic brake |
| Parking brake | Wet multi-disc brake |
| Operating weight | |
| Track shoes | 600mm |
| Operating weight | 64,100kg |
| Ground pressure | 1.08kg/cm² |
| Main pump | |
| Type | Variable displacement axial piston pump |
| Maximum flow | 4×230L/min |
| Cylinder | |
| Boom | 2-180×125×1,750mm |
| Arm | 1-200×140×1,879mm |
| Bucket | 1-185×130×1,465mm |
| Maximum digging force (ISO) | |
| Arm | 27.1/28.8ton |
| Bucket | 31.7/33.6ton |
| Fuel tank capacity | |
| Fuel tank | 760L |
| Running section | |
| Center frame | X-frame |
| Track frame | Box section structure |
| Track seal | Self-lubricating crawler |
| Track adjustment (high/low) | Grease tensioner |
| Number of track shoes | 52 per side |
| Train rollers | 3 per side |
| Roller | 9 per side |
Technical Parameters
| Model | DX680 | ||
| Dimensions | |||
| Boom | (mm) | 6.65 | |
| Arm | (mm) | 2.90 | |
| Transport height (to top of boom) | O | (mm) | 4,885 |
| Transport height (to top of hose) | P | (mm) | 4,990 |
| Transport length | Q | (mm) | 12,145 |
| Transport width | R | (mm) | 3,900 |
| Ground clearance for counterweight | S | (mm) | 1,430 |
| Overall height (to top of cab) | T | (mm) | 3,420 |
| Turntable width | U | (mm) | 3,200 |
| Turntable width (CAT WALK) | U' | (mm) | 3,810 |
| Cab height (above turntable) | V | (mm) | 1,900 |
| Overall cab width | W | (mm) | 1,010 |
| Distance between guide and drive wheels | X | (mm) | 4,600 |
| Track length | Y | (mm) | 5,695 |
| Overall width (retracted/extended tracks) | Z | (mm) | 3,340/3,900 |
| Track width | a | (mm) | 600 |
| Track height | b | (mm) | 1,230 |
| Minimum ground clearance | c | (mm) | 790 |
| Operating range | |||
| Maximum digging range | A | (mm) | 11,432 |
| Maximum digging distance on ground | B | (mm) | 11,137 |
| Maximum digging depth | C | (mm) | 6,975 |
| Maximum loading height | D | (mm) | 7,145 |
| Minimum loading height | E | (mm) | 3,205 |
| Maximum digging height | F | (mm) | 10,710 |
| Maximum bucket pin height | G | (mm) | 9,190 |
| Maximum vertical arm digging depth | H | (mm) | 3,215 |
| Maximum vertical radius | I | (mm) | 9,840 |
| Maximum digging depth on 8-foot flat ground | J | (mm) | 6,830 |
| Minimum digging radius on 8-foot flat ground | K | (mm) | 3,720 |
| Minimum rotation radius | L | (mm) | 5,240 |
| Bucket extension angle | M | (°) | 178 |
| Tail rotation radius | N | (mm) | 3,960 |
