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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

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