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　　Doosan DH55 second-hand excavator No. 24930-0

　　If you want a powerful, new small excavator, this Doosan DH55 series is not suitable for you. The most important reason for recommending it is that it is cheap. The current market reference price is only $9000-13000. You can own it. It is equipped with Yanmar 4TNV94L engine. It is not advanced now, but stable and reliable, with a power of 39.7Kw, which is very suitable for narrow working environments such as urban construction, road repair and agricultural projects. The Yanmar engine it carries has stable performance, good fuel economy, and strong digging force and flexibility. Parts are easy to replace and maintenance costs are low.

　　Passed Tiedou performance test (21 items)

　　For this excavator, the main test is based on working performance. The performance of the engine and hydraulic system and the important load pressure and working temperature, the excavator noise performance and the digging force test meet the use standards, and no abnormalities are found in the climbing ability and rotation system.

Category	Details
Brand	Doosan
Model	DH55-7
Operating Weight	5.5 tons
Bucket Capacity	0.18-0.22 m³
Boom Length	3.0 m
Arm Length	1.6 m
Manufacturer	Doosan Construction Machinery
Swing Speed	9.2 rpm
Travel Speed	2.6-4.6 km/h
Gradeability	30°
Ground Pressure	27 kPa
Bucket Digging Force	42.2 kN
Arm Digging Force	30.4 kN
Engine Model	Yanmar 4TNV94L
Engine Power	39.7 kW (53 HP)
Displacement	3.054 liters
Number of Cylinders	4 cylinders
Bore & Stroke	94 mm × 110 mm
Hydraulic Pump Brand/Model	KYB
Max Hydraulic Flow	132 L/min
Travel Hydraulic Circuit	Dual hydraulic circuit
Control Hydraulic Circuit	Load-sensing hydraulic system
Fuel Tank	130 liters
Hydraulic Tank	60 liters
Engine Oil Capacity	11.6 liters
Coolant Capacity	8.3 liters
Transport Length	5,890 mm
Transport Width	1,920 mm
Transport Height	2,610 mm
Track Shoe Width	400 mm
Track Length	2,580 mm
Max Digging Radius	6,100 mm
Max Digging Depth	3,770 mm
Max Digging Height	5,900 mm
Max Dumping Height	4,080 mm
Max Vertical Digging Depth	3,000 mm
Fuel Consumption	5-7 liters/hour
Air Conditioning	Yes
Fuel Injection Type	Direct injection
Maintenance Interval	Every 500 hours
Estimated Price	Approximately RMB 90,000-130,000 (depending on condition)

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