Komatsu 300-7

Powerful power, high efficiency and energy saving
The Komatsu 300-7 is equipped with the Komatsu SAA6D114E high-power engine. The powerful power enables it to easily cope with various complex working conditions, whether it is hard rock excavation in mining or large-scale earthwork in large-scale infrastructure construction. The engine adopts advanced fuel injection technology and cooperates with the intelligent control system to achieve full combustion of fuel. In addition, this model can choose between the fast mode that prioritizes the workload and the economic mode that prioritizes fuel saving. In the economic mode, when the equipment is in partial load condition, the engine can automatically adjust the output power, reduce unnecessary fuel consumption, reduce operating costs, and achieve a perfect balance between power and energy saving.

Excellent product features, reliable operation​
The high-strength structural parts treated with special processes and the large counterweight design make the Komatsu 300-7 sturdy and durable, ensuring safe operation; the spacious cab space, large-size operation display screen, and large-capacity automatic air conditioning provide a good working environment for operators; the radiator design is easy to clean, and the oil-water separator and additional fuel filter are standardly equipped to protect the engine and fuel system and reduce the probability of failure. It is also equipped with an advanced fault diagnosis system for convenient maintenance.

Wide application areas, helping various projects​

The Komatsu 300-7 performs well in large-scale infrastructure construction, large construction sites, and various mining operations.

Technical Parameter

Category
Parameters

Product name
komatsu300-7

Engine model
Komatsu SAA6D114E

Product tonnage
31 tons

Machine operating weight
31,200 kg

Bucket capacity
1.4 m³

Rated power
180 kW / 1900 rpm

Travel speed
High speed: 5.5 km/h
Medium speed: 4.5 km/h
Low speed: 3.2 km/h

Climbing ability
70% (about 35°)

Bucket digging force
227 kN

Arm digging force
171 kN

Total transport length
11,140 mm

Total transport width
3,190 mm

Total transport height
3,280 mm (including top structure)

Cab height
3,130 mm

Minimum ground clearance
500 mm

Rear end swing radius
3,450 mm

Maximum digging depth
7,380 mm

Maximum digging radius
10920 mm

Maximum digging height
10,210 mm

Maximum unloading height
7,110 mm

Fuel tank
605 L

Hydraulic oil tank
188 L

Engine oil change volume
35 L