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488-7874 LINES GP-AUXILIARY HYDRAULIC -REACH BOOM, HIGH PRESSURE S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP PART OF 489-9986, 489-9987 OPTION AR-HYDRAULIC 320E




HYDRAULIC SYSTEM

LINES GP-AUXILIARY
 

#SEBP56680720
 

488-7874: LINES GP-AUXILIARY HYDRAULIC

488-7874 LINES GP-AUXILIARY HYDRAULIC -REACH BOOM, HIGH PRESSURE
S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP
PART OF 489-9986, 489-9987 OPTION AR-HYDRAULIC
i06845506 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-1107 [1] GROMMET  
2. 129-5874 [1] GROMMET  
3. 8T-4223 [42] WASHER-HARD (13.5X25.5X3-MM THK)  
4. 153-8798 [1] PLATE  
5. 173-7916 [6] CLAMP-HALF  
6. 173-7995 [1] PLATE  
7. 193-6606 [2] PLATE  
8. 202-7127 [1] PLATE  
9. 202-7128 [2] PLATE  
10. 277-0786 [1] SUPPORT AS  
11. 288-7502 I [1] HOSE AS  
12. 306-1611 J [1] TUBE GP  
12A. 306-1614 L [1] TUBE AS  
12B. 306-1615 L [1] TUBE AS  
12C. 1P-3705 L [1] SEAL-RECTANGULAR  
12D. 8T-4183 LM [4] BOLT (M12X1.75X40-MM)  
13. 356-8124 I [1] HOSE AS  
14. 372-9856 [1] PLATE  
15. 210-9907 [1] PLATE  
16. 124-1108 [2] CLIP  
17. 1P-3703 [2] SEAL-RECTANGULAR  
18. 1P-3704 [2] SEAL-RECTANGULAR  
19. 1P-5767 [4] FLANGE-HALF  
20. 6V-0400 [4] FLANGE-HALF  
21. 7X-2549 M [4] BOLT (M12X1.75X100-MM)  
22. 453-1259 M [2] BOLT (M16X2X40-MM)  
23. 7Y-4538 [6] CLAMP-HALF  
24. 8T-4139 M [8] BOLT (M12X1.75X30-MM)  
25. 8T-4184 M [14] BOLT (M12X1.75X45-MM)  
26. 8T-4194 M [10] BOLT (M12X1.75X50-MM)  
27. 489-1508 J [1] TUBE GP  
27A. 374-0110 L [1] TUBE AS  
27B. 1P-3703 L [1] SEAL-RECTANGULAR  
27C. 8T-4956 LM [4] BOLT (M12X1.75X35-MM)  
  7X-0584 L [4] WASHER-HARD (13.5X20.5X2-MM THK)  
28. 8T-4648 M [4] BOLT (M12X1.75X70-MM)  
29. 451-2175 [2] WASHER-HARD (17.5X30X3.5-MM THK)  
30. 138-5708 [2] CLIP-HALF  
31. 8T-4183 M [2] BOLT (M12X1.75X40-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   TUBE MAY BE 1-PIECE OR 2-PIECE DESIGN (2-PIECE SHOWN)
  L   PARTS REQUIRED ONLY WITH 2-PIECE TUBE DESIGN
  M   METRIC PART
 

#SEBP56680721
 

341-5501: LINES GP-BOOM

341-5501 LINES GP-BOOM -REACH
S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP
PART OF 338-9891, 347-3367, 347-3370, 352-6628, 378-6364 BOOM AR-REACH
i04411049 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-1674 [6] CLIP  
2. 4I-1676 [6] CLIP  
3. 7Y-4868 [8] CLIP  
4. 193-6606 [1] PLATE  
5. 202-6996 I [1] HOSE AS  
6. 260-8316 I [1] HOSE AS  
7. 347-6161 [1] TUBE AS  
8. 347-6162 [1] TUBE AS  
9. 347-6163 [1] TUBE AS  
10. 347-6165 [1] TUBE AS  
11. 373-9972 [1] TUBE AS  
12. 373-9973 [1] TUBE AS  
13. 1P-3703 [3] SEAL-RECTANGULAR  
14. 6V-0400 [4] FLANGE-HALF  
15. 6V-9746 [6] SEAL-O-RING  
16. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
17. 8T-4139 M [18] BOLT (M12X1.75X30-MM)  
18. 8T-4184 M [8] BOLT (M12X1.75X45-MM)  
19. 8T-4194 M [2] BOLT (M12X1.75X50-MM)  
20. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
21. 8T-4223 [28] WASHER-HARD (13.5X25.5X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP56680722
 

344-4312: LINES GP-BOOM

344-4312 LINES GP-BOOM -REACH, STICK LOAD CONTROL
S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP
PART OF 337-8500 VALVE AR-CHECK & RELIEF
Type 1
i04418044 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-5997 I [1] HOSE AS  
2. 4I-9523 [2] BAND-MARKER (BLUE, L3)  
3. 133-5813 [2] BAND-MARKER (GRAY, P)  
4. 153-8800 [1] PLATE  
5. 342-5487 [1] PLATE  
6. 344-4487 I [1] HOSE AS  
7. 352-6772 [3] CLIP AS  
8. 354-3738 I [2] HOSE AS  
9. 420-7255 [1] TUBE AS  
10. 148-8457 [1] UNION AS (STRAIGHT)  
  6V-8398 [2] SEAL-O-RING  
  6V-8995 [1] UNION (STRAIGHT)  
11. 149-5452 [2] UNION AS (STRAIGHT)  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-8994 [1] UNION (STRAIGHT)  
12. 5Q-4213 [3] CLIP  
13. 6V-8398 [2] SEAL-O-RING  
14. 6V-9168 [2] NUT (11/16-16-THD)  
15. 6V-9169 [1] NUT (13/16-16-THD)  
16. 7K-1181 [8] STRAP-CABLE  
17. 8T-4139 M [6] BOLT (M12X1.75X30-MM)  
18. 8T-4223 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
19. 8T-4648 M [2] BOLT (M12X1.75X70-MM)  
20. 8T-5092 JM [2] BOLT (M12X1.75X150-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   WHEN USED WITH MEDIUM PRESSURE LINES
  M   METRIC PART
 

#SEBP56680723
 

344-4312: LINES GP-BOOM

344-4312 LINES GP-BOOM -REACH, STICK LOAD CONTROL
S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP
PART OF 337-8500 VALVE AR-CHECK & RELIEF
Type 2
i06785090 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 500-5551 CI [1] HOSE AS  
2. 4I-9523 [2] BAND-MARKER (BLUE, L3)  
3. 133-5813 [2] BAND-MARKER (GRAY, P)  
4. 153-8800 [1] PLATE  
5. 342-5487 [1] PLATE  
6. 493-9726 CI [1] HOSE AS  
7. 352-6772 [3] CLIP AS  
8. 354-3738 I [2] HOSE AS  
9. 420-7255 [1] TUBE AS  
10. 148-8457 [1] UNION AS (STRAIGHT)  
  6V-8398 [2] SEAL-O-RING  
  6V-8995 [1] UNION (STRAIGHT)  
11. 149-5452 [2] UNION AS (STRAIGHT)  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-8994 [1] UNION (STRAIGHT)  
12. 5Q-4213 [3] CLIP  
13. 6V-8398 [2] SEAL-O-RING  
14. 6V-9168 [2] NUT (11/16-16-THD)  
15. 6V-9169 [1] NUT (13/16-16-THD)  
16. 7K-1181 [8] STRAP-CABLE  
17. 8T-4139 M [6] BOLT (M12X1.75X30-MM)  
18. 8T-4223 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
19. 8T-4648 M [2] BOLT (M12X1.75X70-MM)  
20. 8T-5092 JM [2] BOLT (M12X1.75X150-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   WHEN USED WITH MEDIUM PRESSURE LINES
  M   METRIC PART
 

#SEBP56680724
 

344-4312: LINES GP-BOOM

344-4312 LINES GP-BOOM -REACH, STICK LOAD CONTROL
S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP
PART OF 337-8500 VALVE AR-CHECK & RELIEF
Type 3
i07527744 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-1293 C [1] LOCKNUT (1-3/16-12-THD)  
2. 4I-1674 C [4] CLIP  
3. 4I-9523 [2] BAND-MARKER (BLUE, L3)  
4. 6V-9746 C [2] SEAL-O-RING  
5. 7K-1181 [8] STRAP-CABLE  
6. 8T-4244 CM [5] NUT (M12X1.75-THD)  
7. 8T-4648 M [2] BOLT (M12X1.75X70-MM)  
8. 9X-6580 C [1] NUT (1-3/16-12-THD)  
9. 133-5813 [2] BAND-MARKER (GRAY, P)  
10. 148-8455 C [1] UNION AS  
  6V-8997 [1] UNION  
  6V-9746 [2] SEAL-O-RING  
11. 149-5452 [2] UNION AS (STRAIGHT)  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-8994 [1] UNION (STRAIGHT)  
12. 153-8800 [1] PLATE  
13. 136-2803 C [2] CLIP  
14. 148-8418 C [1] REDUCER AS  
  6V-8398 [1] SEAL-O-RING  
  6V-8942 [1] REDUCER-O-RING  
15. 151-1846 CI [1] HOSE AS  
16. 286-6410 CI [1] HOSE AS  
17. 354-3738 I [2] HOSE AS  
18. 533-3595 C [1] PLATE  
19. 538-6791 C [1] TUBE AS  
20. 6V-9168 [2] NUT (11/16-16-THD)  
21. 8T-4139 CM [5] BOLT (M12X1.75X30-MM)  
22. 8T-4223 C [7] WASHER-HARD (13.5X25.5X3-MM THK)  
23. 8T-5092 JM [2] BOLT (M12X1.75X150-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   USED WITH AUXILIARY HYDRAULIC LINES GROUP (MEDIUM PRESSURE)
  M   METRIC PART
 

#SEBP56680725
 

350-4135: LINES GP-BOOM

350-4135 LINES GP-BOOM
S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP
PART OF 359-8731 BOOM AR
FOR USE WITH 8.85-M (29-FT) BOOM
i04502469 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-1674 [12] CLIP  
2. 4I-1676 [14] CLIP  
3. 4I-8789 [1] VALVE-CHECK  
4. 268-7048 [1] TUBE AS  
5. 268-7238 [1] TUBE AS  
6. 268-7240 [1] TUBE AS  
7. 344-4419 [1] TUBE AS  
8. 352-6652 [1] TUBE AS  
9. 359-8784 I [1] HOSE AS  
10. 368-1691 [1] TUBE AS  
11. 371-3068 [1] TUBE AS  
12. 371-3069 I [1] HOSE AS  
13. 148-8335 [1] CONNECTOR AS  
  5K-9090 [1] SEAL-O-RING  
  6V-8635 [1] CONNECTOR  
  7M-8485 [1] SEAL-O-RING  
14. 1P-3703 [2] SEAL-RECTANGULAR  
15. 5K-9090 [2] SEAL-O-RING  
16. 6V-0400 [4] FLANGE-HALF  
17. 6V-9746 [6] SEAL-O-RING  
18. 7M-8485 [1] SEAL-O-RING  
19. 7Y-4868 [12] CLIP  
20. 8T-4139 M [38] BOLT (M12X1.75X30-MM)  
21. 8T-4184 M [8] BOLT (M12X1.75X45-MM)  
22. 8T-4223 [46] WASHER-HARD (13.5X25.5X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP56680726
 

356-8007: LINES GP-BOOM

356-8007 LINES GP-BOOM -REACH, DEMOLITION
S/N AWS1-UP; KLT1-UP
PART OF 356-8048 LINES AR-BOOM
i04416373 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 127-6844 Y [1] VALVE GP-CHECK  
2. 179-5227 [1] TUBE AS  
3. 359-8753 [1] TUBE AS  
4. 148-8339 [2] CONNECTOR AS  
    (EACH INCLUDES)
  6V-8716 [1] CONNECTOR (STRAIGHT)  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
5. 6V-9746 [2] SEAL-O-RING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP56680727
 

242-6732: LINES GP-BOOM CYLINDER

242-6732 LINES GP-BOOM CYLINDER -LH
S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP
PART OF 341-2788 CYLINDER & LINES GP-BOOM
i02420835 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 247-8869 [1] TUBE AS  
2. 222-0126 [1] TUBE AS  
3. 095-1597 [2] SEAL-O-RING  
4. 9X-6032 M [8] BOLT-SOCKET HEAD (M10X1.5X30-MM)  
5. 137-3709 [1] SUPPORT AS  
6. 4I-3621 [1] SUPPORT  
7. 8T-4196 M [2] BOLT (M10X1.5X35-MM)  
8. 8T-4896 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
9. 8T-3653 M [1] BOLT (M14X2X80-MM)  
10. 3B-4509 [1] LOCKWASHER  
11. 094-1920 [2] CLAMP  
  M   METRIC PART
 

#SEBP56680728
 

242-6737: LINES GP-BOOM CYLINDER

242-6737 LINES GP-BOOM CYLINDER -RH
S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP
PART OF 341-2789 CYLINDER & LINES GP-BOOM
i02421016 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 247-8870 [1] TUBE AS  
2. 222-0124 [1] TUBE AS  
3. 095-1597 [2] SEAL-O-RING  
4. 9X-6032 M [8] BOLT-SOCKET HEAD (M10X1.5X30-MM)  
5. 137-3709 [1] SUPPORT AS  
6. 4I-3621 [1] SUPPORT  
7. 8T-4196 M [2] BOLT (M10X1.5X35-MM)  
8. 8T-4896 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
9. 8T-3653 M [1] BOLT (M14X2X80-MM)  
10. 3B-4509 [1] LOCKWASHER  
11. 094-1920 [2] CLAMP  
  M   METRIC PART
 

#SEBP56680729
 

341-5356: LINES GP-BOOM CYLINDER

341-5356 LINES GP-BOOM CYLINDER
S/N SXE1-UP; LAK1-UP; AWS1-UP; KLT1-UP
PART OF 341-5354, 341-5416 HYDRAULIC AR
i04400992 SEBP5668
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Parts for your 320E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-1047 I [4] HOSE AS  
2. 164-5552 [1] CONNECTOR AS  
  3D-2824 [1] SEAL-O-RING  
  4I-7745 [1] CONNECTOR  
  6V-8398 [1] SEAL-O-RING  
3. 368-0361 I [1] HOSE AS  
4. 148-8336 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
5. 148-8340 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8639 [1] CONNECTOR  
6. 148-8353 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9001 [1] ELBOW  
7. 150-4037 [1] TEE AS  
  6V-8398 [2] SEAL-O-RING  
  6V-9837 [1] TEE-SWIVEL  
8. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4182 M [8] BOLT (M10X1.5X45-MM)  
10. 8T-9403 [4] FLANGE-HALF  
11. 148-8371 [1] ELBOW AS  
  6V-8397 [1] SEAL-O-RING  
  8C-8988 [1] ELBOW  
12. 6V-9746 [4] SEAL-O-RING  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

Information:

Specifications
Auxiliary Hydraulic Lines - Stick
320E and 323E Excavators Machine System Specifications
Auxiliary Hydraulic Lines
320E and 323E Excavators Machine System Specifications
Auxiliary Hydraulic Lines
320E and 323E Excavators Machine System Specifications
Disassembly and Assembly
Auxiliary Hydraulic Lines
320E and 323E Excavators Machine Systems

Caterpillar Parts SIS Catalog 320E :

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