
LiuGong
921E Crawler Excavator
Crawler excavator with 21,500 kg operating weight, 112 kW rated power and a 1.0 m3 standard bucket for heavy-duty digging.
Inspection File
- Cummins 6BTAA5.9-C150-II engine with 112 kW rated power
- Max. digging depth of 6,562 mm and max. digging reach of 9,870 mm
- 448 L/min main pump total flow for fast cycle times
Specifications
| Operating Weight | 21,500 kg |
|---|---|
| Standard Bucket Capacity | 1.0 m3 |
| Engine Manufacturer | Cummins |
| Engine Model | 6BTAA5.9-C150-II |
| Rated Power | 112 kW (150 hp / 152 ps) @ 1,950 rpm |
| Net Power | 102 kW (137 hp / 139 ps) @ 1,950 rpm |
| Peak Torque | 614 N.m @ 1,500 rpm |
| Number of Cylinders | 6 |
| Displacement | 5.9 L |
| Boom Length | 5,710 mm |
| Arm Length | 2,915 mm |
| Max. Digging Reach | 9,870 mm |
| Max. Digging Reach on Ground | 9,685 mm |
| Max. Digging Depth | 6,562 mm |
| Max. Digging Depth, 2.44 m (8') Level | 6,390 mm |
| Max. Vertical Wall Digging Depth | 5,080 mm |
| Max. Cutting Height | 9,945 mm |
| Max. Dumping Height | 7,170 mm |
| Min. Front Swing Radius | 2,780 mm |
| Bucket Digging Force (ISO) | 140 / 152.5 kN (Normal / Power Boost) |
| Arm Digging Force (ISO) | 97 / 105 kN (Normal / Power Boost) |
| Shoe Width | 600 mm |
| Number of Shoes per Side | 46 |
| Number of Upper Rollers per Side | 2 |
| Number of Bottom Rollers per Side | 7 |
| Maximum Travel Speed | 5.7 km/h |
| Drawbar Pull | 220 kN |
| Main Pumps Total Flow | 448 L/min |
| Relief Pressure, Main | 34.3 MPa |
| Relief Pressure, Boost | 37.3 MPa |
| Swing Speed | 12.5 rpm |
| Fuel Tank | 400 L |
| Engine Oil | 25 L |
| Cooling System | 25 L |
| Hydraulic Reservoir | 128 L |
| Hydraulic System Total | 266 L |
Product Detail
The LiuGong 921E crawler excavator is built for demanding earthmoving and trenching work. A Cummins 6BTAA5.9-C150-II engine delivers 112 kW (150 hp / 152 ps) rated power at 1,950 rpm, with 102 kW (137 hp / 139 ps) net power and 614 N.m peak torque at 1,500 rpm. The 5,710 mm boom and 2,915 mm arm provide a maximum digging reach of 9,870 mm and a maximum digging depth of 6,562 mm, while the hydraulic system delivers a main pump total flow of 448 L/min at 34.3 MPa relief pressure. A 600 mm shoe width undercarriage with 46 shoes per side supports stable travel at up to 5.7 km/h with 220 kN drawbar pull.


