| Machine Type | SK40SR-3 |
| Canopy | Cab |
| | 4,200 | 4,340 |
| Bucket | | 0.14 |
| STD Bucket Opening Width | | mm |
| | 600 (with side cutter) |
| Engine | Model | YANMAR 4TNV88 |
| Type | Direct injection ,water-cooled,4-cylinder,4-cycle diesel |
| Rated power output | | kW/min-1{PS/rpm} |
| | 30.4/2,400 {41.3 / 2,400} |
| | 53.0 |
| Performance | | 4.6/2.8 |
| | 8.8 |
| | 58(30º) |
| Bucket diging force | kN{kgf} | | 35.3 {3,600} |
| Gound Pressure | | kPa{kgf/cm2} | | 26.0{0.27} | 27.0{0.28} |
| Dozer Blade | | 1,960 x 345 |
| Working ranges(Up/Down) | | mm | | 505/325 |
| Side digging mechanism | Type | Boom swing |
| Offset Angle | 70º to the left, 60º to the right |
| Travel System | Track shoes | Rubber |
| | 400 |
| Hydraulic Sytem | Pump | Type | Two variable displacement pumps +two gear pumps |
| Max.Discharge pressure | | MPa{kgf/cm2} |
| | 23.0{235} |
| Swing motors | Axial piston motor |
| Travel motors | 2 x Axial piston motor |
| | System63 / Tank level 42 |