NEWSKY NK650 is a 50-ton heavy-duty crawler excavator built for high-intensity mining and large infrastructure works.Powered by the proven Isuzu 6WG1 engine with 300kW rated power, it delivers abundant torque reserve, stable power output and outstanding fuel efficiency, reliably coping with dusty and high-temperature job conditions.
Fitted with a 2.3–3.0 m³ SAE-standard bucket, the machine boasts excellent digging reach, depth and dumping height to boost bulk material loading efficiency. Two-speed travel (2.9–5.1 km/h) and 35° maximum gradeability enable stable travel and climbing on rugged slopes, mine waste piles and uneven quarry terrain. At a swing speed of 8.1 r/min, it ensures smooth cyclic operations during long-hour continuous work.
Benefiting from a 50-ton working mass and reinforced structural components, the excavator maintains superior stability during rock excavation and frequent slewing tasks.It is perfectly adapted to open-pit mining, quarry rock handling, mass earthmoving, foundation excavation and large-scale civil projects, an ideal heavy equipment choice for contractors and mine operators across Africa.
Note: Specifications and designs are subject to change without notice.
| Item | NK650 | Unit |
| Engine | Isuzu | |
| Power | 300/1800 | kw/r/min |
| Travel speed (High/Low) | 4.8/3.0 | km/h |
| Swing speed | 8.6 | r/min |
| Gradeability | 35 | ° |
| P-Max. dumping height | 6725 | mm |
| Q-Max. digging depth | 6395 | mm |
| T-Max. digging distance | 10510 | mm |