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Caterpillar CAT312D excavator, the perfect combination of reliability and performance! The machine weighs 12.8 tons and is equipped with a Cat C4.2 engine with a power of 67.5 kilowatts (91 horsepower). It is powerful and suitable for various small and medium-sized construction projects. The bucket capacity is up to 0.61 cubic meters and the maximum digging depth is 5.55 meters. It has wide adaptability, strong digging force and high construction efficiency. With its excellent hydraulic system and stable walking speed, CAT312D performs well in earthwork and road construction. Fuel consumption is as low as 8-10 liters per hour, helping you save costs effectively. The equipment also comes standard with air conditioning to provide a comfortable working environment for the operator. Whether it is construction engineering or mining operations, CAT312D is your reliable construction partner!
Item | Specification |
Brand | Caterpillar |
Model | CAT312D |
Operating Weight | 12,800 kg |
Bucket Capacity | 0.52 - 0.61 m³ |
Boom Length | 4.65 m |
Stick Length | 2.5 m |
Manufacturer | Caterpillar Inc. |
Swing Speed | 11.5 rpm |
Travel Speed | 5.5 km/h (High) / 3.2 km/h (Low) |
Gradeability | 35 degrees |
Ground Pressure | 45.6 kPa |
Bucket Digging Force | 95.1 kN |
Stick Digging Force | 70 kN |
Engine Model | Cat C4.2 |
Engine Power | 67.5 kW (91 HP) @ 2000 rpm |
Displacement | 4.2 L |
Number of Cylinders | 4 |
Bore & Stroke | 105 mm x 127 mm |
Hydraulic Pump Brand/Model | Caterpillar / Variable Displacement Piston Pump |
Max Hydraulic Flow | 232 L/min |
Travel Hydraulic Circuit | 35.5 MPa |
Control Hydraulic Circuit | 24.5 MPa |
Fuel Tank Capacity | 250 L |
Hydraulic Oil Tank Capacity | 125 L |
Engine Oil Capacity | 15 L |
Coolant Capacity | 20 L |
Transport Length | 7,640 mm |
Transport Width | 2,490 mm |
Transport Height | 2,830 mm |
Track Shoe Width | 600 mm |
Track Length | 3,540 mm |
Max Digging Radius | 8,220 mm |
Max Digging Depth | 5,550 mm |
Max Digging Height | 8,740 mm |
Max Dumping Height | 6,040 mm |
Max Vertical Digging Depth | 5,220 mm |
Fuel Consumption | 8 - 10 L/hour |
Air Conditioning | Standard |
Fuel Injection | Electronic |
Maintenance Interval | Every 500 hours |