| Model | Cat 312D Excavator | |
| The working weight of the whole machine (kg) | 12920 | |
| Bucket capacity (m³) | 0.52 | |
| Boom length (mm) | 2800 | |
| Stick length (mm) | 3000 | |
| Tonnage (ton) | 12 | |
| Rotation speed (rpm) | 12.4 | |
| Walking speed (km/h) | 3.4/5.5 | |
| Engine model | C4.2ACERT | |
| Rated power (kw/rpm) | 72/2200 | |
| Displacement (L) | 4.25 | |
| Fuel tank (L) | 250 | |
| Hydraulic tank (L) | 150 | |
| Hydraulic system (L) | 162 (including fuel tank) | |
| Engine oil replacement amount (L) | 19.5 | |
| Coolant (L) | 17.9 | |
| Total transport length (mm) | 7590 | |
| Overall shipping width (mm) | 2590 | |
| Overall transport height (mm) | 2970 | |
| Cab height (mm) | 2760 | |
| Counterweight ground clearance (mm) | 915 | |
| Track grounding length (mm) | 2780 | |
| Total track length (mm) | 3490 | |
| Track shoe width (mm) | 500 | |
| The total width of the track (mm) | 2590 | |
| Track gauge (mm) | 1990 | |
| Minimum ground clearance (mm) | 430 | |
| Maximum digging radius of parking surface (mm) | 8430 | |
| Maximum excavation depth (mm) | 5840 | |
| Maximum excavation height (mm) | 8580 | |
| Maximum unloading height (mm) | 6210 | |
| Maximum vertical excavation depth (mm) | 5160 | |
| Maximum effective excavation depth (mm) | 5640 | |
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After-sales Service: