| River400 | Parameter | Unit |
| Operating weight | 50000 | Kg |
| Boom and stick length | 18000 | mm |
| Bucket capacity | 1 | m³ |
| Engine model | GH-6HK1XKSC | / |
| Rated power/speed | 212/2000 | Kw/rpm |
| Max torque/speed | 1080/1500 | Nm/rpm |
| Displacement | 7.79 | L |
| Motor model | TM60 | Mottrol(Doosan) |
| Output torque | 67914(6930) | N.m(kgf.m) |
| Continuous pressure | 350 | MPa(kgf/cm2) |
| Driving speed | 4/2(max/min) | km/h |
| Swing speed | 8.8 | r/min |
| Gradeability | 《30° | ° |
| Ground specific pressure | 25.6 | kPa |
| Bucket digging force | 170 | kN |
| Stick digging force | 130 | kN |
| Fuel tank volume | 540 | L |
| Hydraulic oil tank volume | / | L |
| Engine oil capacity | 36 | L |

| River400 | Parameter | Unit |
| a) Overall machine length | 17600 | mm |
| c) Overall machine height(to boom) | 4800 | mm |
| e) Single pontoon length | 10000 | mm |
| h) Distance between sprocket and idler | 9100 | mm |
| j) Counterweight ground clearance | 2300 | mm |
| l) Max turning radius of the tail | 3610 | mm |

| River400 | Parameter | Unit |
| b) Overall machine width without side pontoons | 5100 | mm |
| d) Turntable width | 3230 | mm |
| f) Pontoon overall width | 5100 | mm |
| g) Track shoe width | 1450 | mm |
| i) Track gauge | 3400 | mm |
| k) Min ground clearance | 1426 | mm |
| m) Single pontoon height | 2000 | mm |

| River400 | Parameter | Unit |
| L1) Max digging radius | 18500 | mm |
| L2) Max digging height | 19200 | mm |
| L3) Max digging depth | 15500 | mm |
| L4) Max unloading height | 17800 | mm |
| L7) Min turning radius | 7000 | mm |