Горячая распродажа 7 тонн Мини Дешевый подержанный экскаватор-экскаватор Cat 307E2

The 307E2 mini hydraulic excavator’s new Cat® C6 direct injection engine is 15% more efficient than the previous generation and achieves lower energy consumption. The fully upgraded Cat “high-precision hydraulic” system combines the advantages of “open center” and “closed center” hydraulic systems to save fuel, be more precise and controllable, and have higher efficiency. The “standard” and “powerful” dual modes can easily cope with various operations of different intensities and achieve the best settings for fuel consumption and output.

Suitable working conditions:

Highway construction, landscaping, pipeline construction, farmland renovation, trench digging, foundation digging

Тоннаж (тонн) 7

Machine operating weight (kg) 6900

Емкость ковша (м³) 0,33

Boom length (mm) 3700

Arm length (mm) 1665

Power Traditional power

Manufacturer Joint venture/imported

Bucket Backhoe

Power system

Engine model Cat C2.6 DI Turbo

Rated power (kw/rpm) 41.5

Bore × stroke (mm) 87 × 110

Displacement (L) 2.6

Performance

Slewing speed (rpm) 10.8

Gradability (%) 60

Bucket digging force (kN) 50.6

Arm digging force (kN) 37.1

Maximum traction force (kN) 56.9

Travel speed (km/h) High: 5.1 / Low: 3.2Slewing torque (Nm) 16.3

Hydraulic system

Main overflow setting pressure (Mpa) 28

Maximum flow of main pump (l/min) 147

Travel hydraulic circuit (Mpa) 28

Swing hydraulic circuit (Mpa ) 24

Main pump type Load sensing hydraulic system with variable displacement piston pump

Oil capacity

Fuel tank (L) 135.0

Hydraulic oil tank (L) 51.0

Engine oil change volume (L) 10.2

Coolant (L ) 11.9

Hydraulic system (L) 94.0

Main dimensions

Total length for transport (mm) 6070

Total width for transport (mm) 2300

Total height of cab (mm) 2540

Ground clearance of counterweight (mm) 775

Minimum ground clearance (mm ) 370

Rear end swing radius (mm ) 1750

Total length of crawler track (mm) 2760

Wide width of crawler shoe (mm) 450

Length of crawler track on the ground (mm) 2120

Operating range

Maximum digging radius (mm) 6300

Maximum digging depth (mm) 4070

Maximum digging height (mm) 7240

Maximum unloading height (mm) 5190

Bulldozer lifting or pushing depth (mm) 390 / 350

Bulldozer blade width × height (mm) 2300 × 450

Maximum digging radius of parking surface (mm) 6180