U20-3, U25-3 WSM
General
I
-18
5
1
Dozer speed
up
sec
0.8 ± 0.3
1.0 ± 0.3
Ground to max. up
2
up
sec
2.6 ± 0.3
2.3 ± 0.3
Max. down to max.
up
3
down
sec
1.0 ± 0.3
1.4 ± 0.3
Max. up to ground
4
down
sec
3.3 ± 0.3
2.6 ± 0.3
Max. up to max.
down
6
1
Arm cylinder cavitation
mm
5>
5>
Oil temp. 95 ± 5 °C
(203 ± 41 °F)
Engine: 1300rpm
7
1
Max. digging height
radius
Canopy
mm
1990 ± 199
2039 ± 204
2
Cabin
mm
2635 ± 263
2545 ± 254
3
Max. dump height
radius
Canopy
mm
1913 ± 115
2427 ± 146
at bucket pin
Bucket horizontal
4
Cabin
mm
2415 ± 145
2440 ± 146
5
Bucket bottom height
at arm vertical
Canopy
mm
1405 ± 42
1510 ± 45
6
Cabin
mm
1215 ± 36
1360 ± 41
7
Bucket wrist angle
degree
184 ± 3
184 ± 3
Q6
Swivel, swing performance
1
1
Swivel torque
L
kgf·m
388<
429<
Arm extend,show/
Quick
kN·m
3.8<
4.2<
2
R
kgf·m
388<
429<
kN.m
3.8<
4.2<
2
1
Swivel capable angle
L deg
22<
20<
Bucket: heaped
2
R
deg
22<
20<
3
1
Swivel block
performance
L
deg
5>
5>
Engine stop
2
R
deg
5>
5>
3
L
deg
30>
30>
Engine idle rpm.
4
R
deg
30>
30>
4
1
Swivel start-up speed
L
sec
2.1 ± 0.3
1.9 ± 0.3
0~90 deg swivel
Bucket: heaped
2
R
sec
2.1 ± 0.3
1.9 ± 0.3
5
1
Swing speed
Canopy
L
sec
5.3 ± 0.5
4.6 ± 0.5
Bucket: empty
2
R
sec
5.1 ± 0.5
5.1 ± 0.5
3
Cabin
L
sec
5.3 ± 0.5
4.6 ± 0.5
4
R
sec
5.1 ± 0.5
5.1 ± 0.5
6
1
Swing Lock
Swivel R&L
mm
10>
10>
90 deg-swivel, 100
times.
Q7
Hydraulic performance
No
Specifications Items
Unit
U20-3
U25-3
Remarks
Содержание U20-3
Страница 1: ...WORKSHOP MANUAL KUBOTA EXCAVATOR U20 3 Code No 97899 60740 U25 3 ...
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Страница 47: ...U20 3 U25 3 WSM Machine body Mechanism section II M 16 6 Steel crawler U20 3 No 1 Link 2 Bush 3 Pin ...
Страница 48: ...U20 3 U25 3 WSM Machine body Mechanism section II M 17 U25 3 No 1 Hole 2 shaft ...
Страница 50: ......
Страница 62: ...U20 3 U25 3 WSM Machine body Service section II S 13 B Front attachment a Parts designation ...
Страница 116: ......
Страница 118: ...U20 3 U25 3 WSM Engine III 3 ...
Страница 121: ...U20 3 U25 3 WSM Engine III 6 Performance curves Model D1105 EBH 10 ...
Страница 122: ...U20 3 U25 3 WSM Engine III 7 Performance curves Model D1105 EBH 11 ...
Страница 123: ...U20 3 U25 3 WSM Engine III 8 b Dimensions ...
Страница 124: ......
Страница 126: ......
Страница 127: ...U20 3 U25 3 WSM Engine Mechanism section III M 2 A Feature ...
Страница 128: ...U20 3 U25 3 WSM Engine Mechanism section III M 3 B Engine body 1 Cylinder block 2 Cylinder head ...
Страница 129: ...U20 3 U25 3 WSM Engine Mechanism section III M 4 3 Crankshaft 4 Piston and piston rings ...
Страница 130: ...U20 3 U25 3 WSM Engine Mechanism section III M 5 5 Connecting rod 6 Rocker arm 7 Camshaft ...
Страница 131: ...U20 3 U25 3 WSM Engine Mechanism section III M 6 8 Fuel camshaft 9 Flywheel ...
Страница 132: ...U20 3 U25 3 WSM Engine Mechanism section III M 7 C Lubricating system 1 General ...
Страница 133: ...U20 3 U25 3 WSM Engine Mechanism section III M 8 2 Oil pump 3 Relief valve ...
Страница 134: ...U20 3 U25 3 WSM Engine Mechanism section III M 9 4 Oil filter cartridge 5 Oil pressure switch ...
Страница 135: ...U20 3 U25 3 WSM Engine Mechanism section III M 10 D Cooling system 1 General 2 Water pump ...
Страница 136: ...U20 3 U25 3 WSM Engine Mechanism section III M 11 3 Thermostat 4 Radiator not included in the basic engine ...
Страница 137: ...U20 3 U25 3 WSM Engine Mechanism section III M 12 5 Radiator cap ...
Страница 139: ...U20 3 U25 3 WSM Engine Mechanism section III M 14 F Fuel system 1 General 2 Injection pump ...
Страница 140: ...U20 3 U25 3 WSM Engine Mechanism section III M 15 ...
Страница 141: ...U20 3 U25 3 WSM Engine Mechanism section III M 16 ...
Страница 142: ...U20 3 U25 3 WSM Engine Mechanism section III M 17 3 Injection nozzle 4 Fuel filter not included in the basic model ...
Страница 143: ...U20 3 U25 3 WSM Engine Mechanism section III M 18 5 Governor ...
Страница 144: ...U20 3 U25 3 WSM Engine Mechanism section III M 19 ...
Страница 145: ...U20 3 U25 3 WSM Engine Mechanism section III M 20 6 Automatic advance timer not included in the basic model ...
Страница 146: ...U20 3 U25 3 WSM Engine Mechanism section III M 21 ...
Страница 147: ...U20 3 U25 3 WSM Engine Mechanism section III M 22 G Electrical system 1 Charging system ...
Страница 148: ...U20 3 U25 3 WSM Engine Mechanism section III M 23 H Turbo charger system ...
Страница 149: ...U20 3 U25 3 WSM Engine Mechanism section III M 24 ...
Страница 150: ...U20 3 U25 3 WSM Engine Mechanism section III M 25 ...
Страница 151: ...U20 3 U25 3 WSM Engine Mechanism section III M 26 ...
Страница 152: ...U20 3 U25 3 WSM Engine Mechanism section III M 27 ...
Страница 162: ...U20 3 U25 3 WSM Engine Service section III S 10 B General 1 Engine identification ...
Страница 163: ...U20 3 U25 3 WSM Engine Service section III S 11 2 General precaution ...
Страница 164: ...U20 3 U25 3 WSM Engine Service section III S 12 3 Tightening torques ...
Страница 165: ...U20 3 U25 3 WSM Engine Service section III S 13 4 Troubleshooting ...
Страница 166: ...U20 3 U25 3 WSM Engine Service section III S 14 ...
Страница 167: ...U20 3 U25 3 WSM Engine Service section III S 15 ...
Страница 168: ...U20 3 U25 3 WSM Engine Service section III S 16 5 Servicing specifications ...
Страница 169: ...U20 3 U25 3 WSM Engine Service section III S 17 ...
Страница 170: ...U20 3 U25 3 WSM Engine Service section III S 18 ...
Страница 171: ...U20 3 U25 3 WSM Engine Service section III S 19 ...
Страница 172: ...U20 3 U25 3 WSM Engine Service section III S 20 ...
Страница 173: ...U20 3 U25 3 WSM Engine Service section III S 21 ...
Страница 174: ...U20 3 U25 3 WSM Engine Service section III S 22 ...
Страница 175: ...U20 3 U25 3 WSM Engine Service section III S 23 ...
Страница 176: ...U20 3 U25 3 WSM Engine Service section III S 24 ...
Страница 177: ...U20 3 U25 3 WSM Engine Service section III S 25 6 Maintenance check list ...
Страница 178: ...U20 3 U25 3 WSM Engine Service section III S 26 7 Check and maintenance ...
Страница 179: ...U20 3 U25 3 WSM Engine Service section III S 27 ...
Страница 180: ...U20 3 U25 3 WSM Engine Service section III S 28 ...
Страница 181: ...U20 3 U25 3 WSM Engine Service section III S 29 ...
Страница 182: ...U20 3 U25 3 WSM Engine Service section III S 30 ...
Страница 183: ...U20 3 U25 3 WSM Engine Service section III S 31 ...
Страница 184: ...U20 3 U25 3 WSM Engine Service section III S 32 ...
Страница 185: ...U20 3 U25 3 WSM Engine Service section III S 33 ...
Страница 186: ...U20 3 U25 3 WSM Engine Service section III S 34 ...
Страница 187: ...U20 3 U25 3 WSM Engine Service section III S 35 ...
Страница 188: ...U20 3 U25 3 WSM Engine Service section III S 36 ...
Страница 189: ...U20 3 U25 3 WSM Engine Service section III S 37 ...
Страница 190: ...U20 3 U25 3 WSM Engine Service section III S 38 ...
Страница 191: ...U20 3 U25 3 WSM Engine Service section III S 39 C Engine body CHECKING AND ADJUSTING ...
Страница 192: ...U20 3 U25 3 WSM Engine Service section III S 40 DISASSEMBLING AND ASSEMBLING ...
Страница 193: ...U20 3 U25 3 WSM Engine Service section III S 41 1 Draining water and oil 2 External components ...
Страница 194: ...U20 3 U25 3 WSM Engine Service section III S 42 3 Cylinder head and valves ...
Страница 195: ...U20 3 U25 3 WSM Engine Service section III S 43 ...
Страница 196: ...U20 3 U25 3 WSM Engine Service section III S 44 4 Gear case ...
Страница 197: ...U20 3 U25 3 WSM Engine Service section III S 45 ...
Страница 198: ...U20 3 U25 3 WSM Engine Service section III S 46 ...
Страница 199: ...U20 3 U25 3 WSM Engine Service section III S 47 ...
Страница 200: ...U20 3 U25 3 WSM Engine Service section III S 48 ...
Страница 201: ...U20 3 U25 3 WSM Engine Service section III S 49 ...
Страница 202: ...U20 3 U25 3 WSM Engine Service section III S 50 5 Piston and connecting rod ...
Страница 203: ...U20 3 U25 3 WSM Engine Service section III S 51 ...
Страница 204: ...U20 3 U25 3 WSM Engine Service section III S 52 ...
Страница 205: ...U20 3 U25 3 WSM Engine Service section III S 53 6 Flywheel and crankshaft ...
Страница 206: ...U20 3 U25 3 WSM Engine Service section III S 54 ...
Страница 207: ...U20 3 U25 3 WSM Engine Service section III S 55 SERVICING 1 Cylinder head ...
Страница 208: ...U20 3 U25 3 WSM Engine Service section III S 56 ...
Страница 209: ...U20 3 U25 3 WSM Engine Service section III S 57 ...
Страница 210: ...U20 3 U25 3 WSM Engine Service section III S 58 ...
Страница 211: ...U20 3 U25 3 WSM Engine Service section III S 59 ...
Страница 212: ...U20 3 U25 3 WSM Engine Service section III S 60 2 Timing gear and camshaft ...
Страница 213: ...U20 3 U25 3 WSM Engine Service section III S 61 ...
Страница 214: ...U20 3 U25 3 WSM Engine Service section III S 62 3 Piston and connecting rod ...
Страница 215: ...U20 3 U25 3 WSM Engine Service section III S 63 ...
Страница 216: ...U20 3 U25 3 WSM Engine Service section III S 64 ...
Страница 217: ...U20 3 U25 3 WSM Engine Service section III S 65 4 Crankshaft ...
Страница 218: ...U20 3 U25 3 WSM Engine Service section III S 66 ...
Страница 219: ...U20 3 U25 3 WSM Engine Service section III S 67 ...
Страница 220: ...U20 3 U25 3 WSM Engine Service section III S 68 ...
Страница 221: ...U20 3 U25 3 WSM Engine Service section III S 69 ...
Страница 222: ...U20 3 U25 3 WSM Engine Service section III S 70 ...
Страница 223: ...U20 3 U25 3 WSM Engine Service section III S 71 5 Cylinder ...
Страница 224: ...U20 3 U25 3 WSM Engine Service section III S 72 ...
Страница 225: ...U20 3 U25 3 WSM Engine Service section III S 73 D Lubricating system CHECKING SERVICING 1 Oil pump ...
Страница 226: ...U20 3 U25 3 WSM Engine Service section III S 74 ...
Страница 227: ...U20 3 U25 3 WSM Engine Service section III S 75 E Cooling system CHECKING 1 Fan belt 2 Radiator ...
Страница 228: ...U20 3 U25 3 WSM Engine Service section III S 76 DISASSEMBLING AND ASSEMBLING ...
Страница 229: ...U20 3 U25 3 WSM Engine Service section III S 77 ...
Страница 230: ...U20 3 U25 3 WSM Engine Service section III S 78 F Fuel system CHECKING AND ADJUSTING 1 Injection pump ...
Страница 231: ...U20 3 U25 3 WSM Engine Service section III S 79 ...
Страница 232: ...U20 3 U25 3 WSM Engine Service section III S 80 2 Injection nozzle ...
Страница 233: ...U20 3 U25 3 WSM Engine Service section III S 81 DISASSEMBLING AND ASSEMBLING 1 Injection pump ...
Страница 234: ...U20 3 U25 3 WSM Engine Service section III S 82 2 Injection nozzle ...
Страница 235: ...U20 3 U25 3 WSM Engine Service section III S 83 G Electrical system CHECKING 1 Starter ...
Страница 236: ...U20 3 U25 3 WSM Engine Service section III S 84 2 Glow plug DISASSEMBLING AND ASSEMBLING 1 Starter ...
Страница 237: ...U20 3 U25 3 WSM Engine Service section III S 85 2 Alternator ...
Страница 238: ...U20 3 U25 3 WSM Engine Service section III S 86 ...
Страница 239: ...U20 3 U25 3 WSM Engine Service section III S 87 ...
Страница 240: ...U20 3 U25 3 WSM Engine Service section III S 88 SERVICING 1 Starter ...
Страница 241: ...U20 3 U25 3 WSM Engine Service section III S 89 ...
Страница 242: ...U20 3 U25 3 WSM Engine Service section III S 90 2 Alternator ...
Страница 243: ...U20 3 U25 3 WSM Engine Service section III S 91 ...
Страница 244: ...U20 3 U25 3 WSM Engine Service section III S 92 ...
Страница 245: ...U20 3 U25 3 WSM Engine Service section III S 93 H Turbo charger system CHECKING ...
Страница 246: ...U20 3 U25 3 WSM Engine Service section III S 94 ...
Страница 247: ...U20 3 U25 3 WSM Engine Service section III S 95 DISASSEMBLING AND ASSEMBLING ...
Страница 248: ...U20 3 U25 3 WSM Engine Service section III S 96 ...
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Страница 279: ...U20 3 U25 3 WSM Hydraulic system Mechanism section IV M 28 ...
Страница 280: ...U20 3 U25 3 WSM Hydraulic system Mechanism section IV M 29 b Pilot valve control diagram ...
Страница 296: ...U20 3 U25 3 WSM Hydraulic system Mechanism section IV M 45 U25 3 KAYABA a Structure specifications ...
Страница 310: ......
Страница 311: ...U20 3 U25 3 WSM Hydraulic system Mechanism section IV M 59 I Hydraulic circuit diagram a U20 3 Fixed undercarriage ...
Страница 312: ...U20 3 U25 3 WSM Hydraulic system Mechanism section IV M 60 b U20 3 Retractable undercarriage ...
Страница 313: ...U20 3 U25 3 WSM Hydraulic system Mechanism section IV M 61 c U25 3 ...
Страница 316: ......
Страница 330: ...U20 3 U25 3 WSM Hydraulic system Service section IV S 15 1 Travel mechanism check points ...
Страница 386: ...U20 3 U25 3 WSM Hydraulic system Service section IV S 71 Photo 7 1 Photo 7 2 Photo 7 3 Photo 7 4 Photo 7 5 Photo 7 6 ...
Страница 387: ...U20 3 U25 3 WSM Hydraulic system Service section IV S 72 Photo 7 7 Photo 7 8 Photo 7 9 Photo 7 10 Photo 7 11 Photo 7 12 ...
Страница 397: ...U20 3 U25 3 WSM Hydraulic system Service section IV S 82 ...
Страница 415: ...U20 3 U25 3 WSM Hydraulic system Service section IV S 100 3 Component parts of wheel motor ...
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Страница 480: ...U20 3 U25 3 WSM Electrical system Service section V S 3 a Front ...
Страница 482: ...U20 3 U25 3 WSM Electrical system Service section V S 5 c Swivel frame ...
Страница 483: ...U20 3 U25 3 WSM Electrical system Service section V S 6 Around battery ...
Страница 486: ...U20 3 U25 3 WSM Electrical system Service section V S 9 3 Around selector valve ...
Страница 507: ......