| 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 |