Excavator EK 400SL
Engine
Name of characteristic Value
Model YaMZ-238B
Rated engine power, kW (hp) 220 (300) at 2100 rpm
Number of cylinders, pcs. eight
Diameter of cylinders, mm 130
Piston stroke, mm 140
Working volume of cylinders, l 14.86
Swing mechanism
Turning moment, kNm 2 x 56
Rotation frequency of the turntable, rpm. 10.6
Movement mechanism
Maximum tractive effort, kN (tf) 400 (40)
Travel speed, km / h 0 - 2.4 - 4.0
Weight and pressure on the supporting surface
Track width, mm | 700 |
Excavator weight, kg | 44,000 |
Support surface pressure, kg / cm 2 | 0.67 |
Hydraulic system characteristics
Power hydraulic system, maximum pump flow, l / min 2 x 376
Maximum pressure in the hydraulic system, MPa
working equipment drive 30.0
travel drive 28.5
platform swing drive 25.0
Hydraulic control system
maximum pump flow, l / min 40.0
maximum pressure, MPa 4.0
Diameter and stroke of hydraulic cylinders, mm
arrows 170 x 1 590
handles 190 x 1 940
bucket 170 х 1 325
Refueling tanks
Fuel tank, l 560
Cooling system, l 62
Engine crankcase, l 35
Swing gear reducer, l 2 x 12.5
Travel mechanism reducer (each), l 8
Hydraulic system (including hydraulic tank), l 500
