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Excavators
EK 400 Specifications
| Overall Dimensions |
| Transport height, mm |
 with 2.9 m arm |
3 930 |
| with 3.4 m arm |
3 940 |
| Transport length, mm |
| with 2.9 m arm |
12 040 |
| with 3.4 m arm |
11 800 |
| Track width, mm |
700 |
| Undercarriage width, mm |
3 450 |
| Undercarriage length, mm |
5 090 |
| Distance between tumblers, mm |
4 050 |
| Ground clearance, mm |
480 |
| Track gauge, mm |
2 750 |
| Tail swing radius, mm |
3 600 |
| Height over cab, mm |
3 190 |
| Height to upperstructure, mm |
1 234 |
| Working Ranges |
| |
2.9 m arm |
3.4 m arm |
| Maximum digging reach, mm |
11 400 |
11 870 |
| Maximum digging height, mm |
10 800 |
11 000 |
| Maximum dumping height, mm |
7 400 |
7 500 |
| Maximum digging depth, mm |
7 400 |
7 800 |
| Maximum arm digging force, kN |
220 |
193 |
| Maximum bucket digging force, kN |
242 |
| Standard nominal bucket capacity, m3 |
1,9 |
| Engine |
| Model |
YAMZ-238B |
| Rated horsepower, kW (hp) |
220 (300)/2100 rpm |
| No. of cylinders |
8 |
| Cylinder bore, mm |
130 |
| Stroke, mm |
140 |
| Cylinder capacity, litres |
14,86 |
| Swing Gear |
| Swing torque, kNm |
2 x 56 |
| Swing speed, rpm |
10,6 |
| Track Drive Unit |
| Maximum traction force, kN(tonf) |
400 (40) |
| Travel speeds, km/h |
0 — 2,4 — 4,0 |
| Weight and Ground Bearing Pressure |
| Excavator weight, kg |
42 000 |
| Ground bearing pressure, kg/cm2 |
0,70 |
| Hydraulic System |
| Power hydraulic system |
| Maximum pump capacity, l/min |
2 x 376 |
| Maximum hydraulic system pressure, MPa |
|
| Attachments circuit |
30 |
| Track drive circuit |
28,5 |
| Swing circuit |
25,0 |
| Control hydraulic system |
| Maximum pump capacity, l/min |
40 |
| Maximum pressure, MPa |
4 |
| Cylinder bore and stroke, mm |
| boom |
170 x 1 590 |
| arm |
190 x 1 940 |
| bucket |
170 x 1 325 |
| Service Refill Capacities, litres |
| Fuel tank |
560 |
| Engine cooling system |
62 |
| Engine crankcase |
35 |
| Swing gearbox |
2 x 12,5 |
| Travel gearbox (each side) |
8 |
| Hydraulic system (including tank) |
500 |
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