TZCO TZ550 Crawler Hydraulic Excavator
1. Basic Specifications
| Item |
Specification |
| Model |
TZ550 |
| Type |
Crawler Hydraulic Excavator |
| Brand |
TZCO (Shanxi TZCO Construction Machinery) |
| Operating Weight |
53,000 kg |
| Bucket Capacity |
3.1 m³ |
| Rated Power |
331 kW @ 1800 rpm |
| Emission Standard |
China IV |
2. Engine Performance
| Item |
Specification |
| Engine Type |
6‑cylinder, 4‑stroke, water‑cooled, direct injection |
| Engine Supply |
COMS / Scania optional |
| Rated Power |
331 kW / 1800 rpm |
| Feature |
High efficiency, low fuel consumption, strong reliability |
3. Working Range (mm)
| Item |
Specification |
| Max. Digging Height |
11,060 |
| Max. Dumping Height |
7,212 |
| Max. Digging Depth |
7,428 |
| Max. Vertical Digging Depth |
6,608 |
| Max. Digging Reach on Ground |
11,863 |
| Min. Swing Radius |
5,288 |
4. Overall Dimensions (mm)
| Item |
Specification |
| Overall Length |
12,197 |
| Overall Width |
3,574 |
| Overall Height |
3,280 |
| Upperstructure Width |
3,125 |
| Track Length |
5,480 |
| Chassis Width |
3,340 |
| Track Shoe Width |
600 |
| Track Wheelbase |
4,410 |
| Track Gauge |
2,740 |
| Counterweight Clearance |
1,320 |
| Min. Ground Clearance |
514 |
| Min. Tail Swing Radius |
3,746 |
| Track Height |
1,240 |
5. Hydraulic System
| Item |
Specification |
| Main Relief Valve Pressure |
34.3 MPa |
| Travel System Pressure |
34.3 MPa |
| Swing System Pressure |
26.9 MPa |
| Arm Length |
2,500 mm |
6. Key Features
- Heavy‑duty structure for mining, quarry, and large construction projects
- Stable hydraulic system with strong digging force and high efficiency
- Comfortable operating environment, easy maintenance
- Durable undercarriage for long service life
- Compatible with various attachments: bucket, ripper, grapple, etc.





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