卡特 CAT312D 二手挖掘机 No. 24929-0

　　Caterpillar CAT312D used excavator No. 24929-0

　　This is a stock equipment, which is only used for testing and display on a daily basis. The appearance and performance can be kept in excellent condition. Although this model is only 12 tons, it is equipped with a Caterpillar C4.2 engine with a power of 67Kw, which is very easy for work. It is equipped with a bucket capacity of 0.53m³ as a standard, which is very easy for this excavator equipment to use. The powerful hydraulic pump and perfect mechanical adjustment make CAT312 highly praised by users in the same class in terms of use and user evaluation. The current market price has dropped slightly and is very worth buying.

　　Passed Tiedou performance test (category 21) Although CAT312 is a test model, it has not been used much, but we still conducted detailed tests on this excavator. For the core engine, hydraulic system, rotation, travel, multi-way valve and other key instruments and manual inspections, ensure that the equipment can be put into work in the best condition. The test and standards of each equipment are different. Users can test it in person or test it one-on-one through a video call model, or come to the site to operate and use it in person to experience the powerful charm of CAT312.

Item	Specifications
Operating Weight	12,800 kg
Bucket Capacity	0.53 m³
Boom Length	4,670 mm
Stick Length	2,500 mm
Manufacturer	Caterpillar
Swing Speed	11.2 rpm
Travel Speed	5.5 km/h (high) / 3.0 km/h (low)
Gradeability	35°
Ground Pressure	41.1 kPa
Bucket Digging Force	92.7 kN
Stick Digging Force	67.8 kN
Engine Model	Cat C4.2
Engine Power	67 kW (90 hp)
Displacement	4.2 L
Number of Cylinders	4 cylinders
Bore and Stroke	105 mm x 127 mm
Hydraulic Pump Brand/Model	Caterpillar, Load Sensing Hydraulic System
Maximum Hydraulic Flow	230 L/min
Travel Hydraulic Circuit	60 L/min
Control Hydraulic Circuit	23 L/min
Fuel Tank	270 L
Hydraulic Oil Tank	140 L
Engine Oil Replacement Volume	15 L
Coolant Capacity	16 L
Transport Length	7,830 mm
Transport Width	2,490 mm
Transport Height	2,930 mm
Track Shoe Width	600 mm
Track Length	3,350 mm
Maximum Digging Radius	8,750 mm
Maximum Digging Depth	5,900 mm
Maximum Digging Height	9,620 mm
Maximum Dumping Height	6,690 mm
Maximum Vertical Digging Depth	5,530 mm
Fuel Consumption	Approx. 10-12 L/h (varies by job condition)
Air Conditioning	Standard
Fuel Injection System	Electronic fuel injection
Maintenance Interval	500 hours
Reference Price	Approx. 850,000 - 950,000 CNY