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128-3203 CYLINDER GP-BOOM S/N 9PS1-UP 130MM (5.12IN) BORE X 930MM (36.5IN) STROKE PART OF 202-4816, 202-4817 BOOM AR, 128-4878 CYLINDER & SEAL GP-BOOM AN ATTACHMENT M320




HYDRAULIC SYSTEM

CYLINDER GP
 

#SEBP27550320
 

128-3203: CYLINDER GP-BOOM

128-3203 CYLINDER GP-BOOM
S/N 9PS1-UP
130MM (5.12IN) BORE X 930MM (36.5IN) STROKE
PART OF 202-4816, 202-4817 BOOM AR, 128-4878 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00566449 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9X-3595 J [1] SEAL AS  
2. 128-0102 [1] HEAD  
3. 7Y-4631 [1] RING-RETAINING  
4. 7Y-4622 [1] LOCKNUT (SPECIAL)  
5. 118-4019 J [1] RING  
6. 087-5005 [1] STOP  
7. 7Y-4633 J [1] RING-BACKUP  
8. 7Y-4632 J [1] RING  
9. 128-9260 [1] BUSHING  
10. 095-1631 J [1] SEAL-O-RING  
11. 6I-6784 J [1] RING-SEAL  
12. 7I-7183 [1] PISTON  
13. 7Y-5216 M [8] BOLT-SOCKET HEAD (M20X2.5X80-MM)  
14. 165-9288 J [1] SEAL-LIP TYPE  
15. 7Y-4628 J [1] RING (BACKUP)  
16. 216-0004 J [1] SEAL-U-CUP  
17. 170-9846 J [1] SEAL-BUFFER  
18. 135-8521 [1] CYLINDER AS  
18A. 143-3841 [1] BUSHING  
20. 172-1025 [1] ROD & BEARING AS-CYLINDER  
20A. 171-6546 [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  233-0761 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP27550321
 

087-5633: CYLINDER GP-BUCKET

087-5633 CYLINDER GP-BUCKET
S/N 9PS1-UP
120MM (4.72IN) BORE X 1030MM (40.5IN) STROKE
PART OF 7Y-5199 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT
i00795630 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-1040 [1] CYLINDER AS  
1A. 7Y-5131 [1] BUSHING  
2. 087-5504 [1] LOCKNUT  
3. 118-4130 J [1] RING  
4. 9X-3592 J [1] SEAL AS  
5. 093-1630 J [1] RING  
6. 127-6052 [1] PISTON  
7. 095-1717 J [1] SEAL-O-RING  
8. 087-5510 J [1] RING  
9. 7Y-5216 M [8] BOLT-SOCKET HEAD (M20X2.5X80-MM)  
10. 7Y-5119 [1] RING-RETAINING  
11. 126-2043 [1] HEAD  
12. 114-0756 [1] BUSHING  
13. 123-1943 J [1] SEAL-BUFFER  
14. 7Y-5117 J [1] SEAL-U-CUP  
15. 7Y-5116 J [1] RING  
16. 114-0644 J [1] SEAL-LIP TYPE  
17. 127-6089 [1] ROD AS  
17A. 4I-0704 [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  118-4131 J [1] KIT-SEAL  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP27550322
 

185-1736: CYLINDER GP-BUCKET

185-1736 CYLINDER GP-BUCKET
S/N 9PS1-UP
100-MM (3.9-IN) BORE X 250-MM (9.8-IN) STROKE
PART OF 117-0931, 125-4428 LINKAGE AR-BUCKET
AN ATTACHMENT
i01256705 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 185-1735 [1] CYLINDER AS  
2. 8U-3885 [1] ROD  
3. 8U-3886 J [3] SEAL  
4. 8U-3887 J [1] SEAL  
5. 234-4855 J [1] SEAL  
6. 8T-0707 [4] RING-RETAINING (INTERNAL)  
7. 8G-4189 [2] BEARING-SELF-ALIGNING  
   
    AVAILABLE REPAIR KIT(S):
  8U-3888 J KIT-REPAIR (BUCKET CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP27550323
 

120-4708: CYLINDER GP-MASTER

120-4708 CYLINDER GP-MASTER
S/N 9PS1-286
PART OF 150-8662 CONTROL GP-BRAKE
i00473350 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8U-5764 [1] HOUSING  
2. 8U-5765 [1] PISTON  
3. 120-8127 [1] COLLAR  
4. 8U-5767 [1] GUIDE  
5. 8U-5768 [1] ROD  
6. 8U-5769 [1] SPRING  
7. 5W-7026 [1] NUT  
8. 8U-5770 [1] RING  
9. 8U-5771 J [1] SEAL  
10. 8U-5772 J [1] SEAL  
11. 8U-5773 J [2] BUSHING  
12. 8U-4125 J [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  120-8128 J [1] KIT-SEAL  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
 

#SEBP27550324
 

133-6936: CYLINDER GP-STABILIZER

133-6936 CYLINDER GP-STABILIZER
S/N 9PS1-UP
PART OF 128-4897, 128-4899, 145-8602, 145-8603 STABILIZER AR
AN ATTACHMENT
i00503544 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 135-7928 [1] CYLINDER  
2. 135-7929 [1] ROD  
3. 135-7930 [1] PISTON  
4. 135-7931 [1] COLLAR  
5. 118-2712 [1] PISTON  
6. 118-2713 [1] RETAINER  
7. 137-2441 [1] CONE  
8. 225-8699 J [1] SEAL (WIPER)  
9. 8U-4010 J [1] RING-PISTON  
10. 135-7932 J [3] RING  
11. 135-7933 J [1] SEAL-O-RING  
12. 135-7934 J [1] RING-BACKUP  
13. 135-7935 J [1] SEAL-O-RING  
14. 135-7936 J [1] RING  
15. 135-7937 J [1] SEAL-O-RING  
16. 135-7938 J [1] RING-BACKUP  
17. 135-7939 J [1] RING  
18. 135-7940 J [1] SEAL-O-RING  
19. 125-7002 J [1] RING-BACKUP  
20. 118-2725 J [2] SEAL-O-RING  
21. 118-2726 J [3] RING-BACKUP  
22. 118-2728 [1] SPRING  
23. 9S-9334 [2] PLUG  
24. 7M-8485 J [2] SEAL-O-RING  
25. 118-2730 M [1] NUT (M52X1.5-THD, LH)  
26. 118-2731 [1] PIN  
27. 8G-4371 [2] BEARING-SELF-ALIGNING  
28. 8T-7567 [2] RING-RETAINING (INTERNAL)  
29. 5W-2860 [1] RING-RETAINING  
30. 118-2732 [1] FITTING-GREASE  
   
    AVAILABLE REPAIR KIT(S):
  135-7941 J [1] KIT-SEAL (STABILIZER CYLINDER)  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
 

#SEBP27550325
 

204-5096: CYLINDER GP-STABILIZER

204-5096 CYLINDER GP-STABILIZER
S/N 9PS1-UP
PART OF 145-8602, 145-8603 STABILIZER AR
AN ATTACHMENT
i01516323 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 205-8507 [1] CYLINDER AS  
2. 135-7929 [1] ROD  
3. 205-8508 [1] PISTON  
4. 205-8509 [1] COLLAR  
5. 118-2712 [1] PISTON  
6. 118-2713 [1] RETAINER  
7. 137-2441 [1] CONE  
8. 205-8523 [1] SPACER  
9. 225-8699 J [1] SEAL  
10. 8U-4010 J [1] RING-PISTON  
11. 135-7932 J [3] RING  
12. 206-0511 J [1] SEAL-O-RING  
13. 206-0512 J [1] RING-BACKUP  
14. 2D-8009 J [1] SEAL-O-RING  
15. 205-8510 J [1] RING  
16. 9S-3888 J [1] SEAL-O-RING  
17. 205-8511 J [1] RING-BACKUP  
18. 205-8512 J [1] RING  
19. 135-7940 J [2] SEAL-O-RING  
20. 125-7002 J [1] RING-BACKUP  
21. 118-2725 J [2] SEAL-O-RING  
22. 118-2726 J [3] RING-BACKUP  
23. 118-2728 [1] SPRING  
24. 9S-9334 [2] PLUG  
25. 118-2730 M [1] NUT (M52X1.5-THD, LH)  
26. 118-2731 [1] PIN  
27. 8G-4371 [2] BEARING-SELF-ALIGNING  
28. 8T-7567 [2] RING-RETAINING (INTERNAL)  
29. 5W-2860 [1] RING-RETAINING  
30. 118-2732 [1] FITTING-GREASE  
31. 7M-8485 J [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  205-8513 J [1] KIT-SEAL  
  J   PARTS MARKED J SERVICED BY KIT MARKED J
  M   METRIC PART
 

#SEBP27550326
 

127-9242: CYLINDER GP-STICK

127-9242 CYLINDER GP-STICK
S/N 9PS1-UP
140MM (5.51IN) BORE X 1351MM (53.16IN) STROKE
PART OF 127-9237 CYLINDER & SEAL GP-STICK
AN ATTACHMENT
i00519129 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 087-5431 [1] STOP  
2. 093-1572 [1] RING-RETAINING  
3. 170-9847 J [1] SEAL-BUFFER  
4. 216-0005 J [1] SEAL-U-CUP  
5. 103-8378 [1] RING-RETAINING  
6. 103-8379 [1] RING  
7. 103-8380 [1] STOP  
8. 165-9289 J [1] SEAL-LIP TYPE  
9. 128-6222 [1] ROD & BEARING AS-CYLINDER  
10. 128-3031 [1] BUSHING  
11. 198-7258 [1] HEAD  
12. 136-1530 [1] CYLINDER AS  
13. 128-3031 [1] BUSHING  
14. 118-3995 J [1] RING  
15. 087-5436 J [1] RING-BACKUP  
16. 095-0929 [2] RING-RETAINING (EXTERNAL)  
17. 095-1632 J [1] SEAL-O-RING  
18. 096-1800 J [1] RING  
19. 096-2665 J [1] RING-BACKUP  
20. 103-8418 M [1] LOCKNUT (M72X2X64MM)  
21. 114-0757 [1] BUSHING  
22. 6I-6787 J [1] RING-SEAL  
23. 7I-7186 [1] PISTON  
24. 7Y-5215 M [8] BOLT-SOCKET HEAD (M24X3X90-MM)  
25. 9X-3598 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  199-7427 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP27550327
 

138-6696: CYLINDER GP-STICK

138-6696 CYLINDER GP-STICK
S/N 9PS1-UP
120-MM (4.72-IN) BORE X 1305-MM (51.21-IN) STROKE
PART OF 138-6704 CYLINDER & SEAL GP-STICK
AN ATTACHMENT
i00571527 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
3. 118-4130 J [1] RING  
4. 126-2043 [1] HEAD  
5. 138-6697 [1] ROD & BEARING AS-CYLINDER  
5A. 111-7604 [1] BUSHING  
6. 143-9053 [1] CYLINDER AS  
6A. 111-7604 [1] BUSHING  
7. 165-9286 J [1] SEAL-LIP TYPE  
8. 170-9844 J [1] SEAL-BUFFER  
9. 147-5835 M [1] LOCKNUT-SPECIAL  
10. 087-5507 [1] STOP  
11. 087-5510 J [1] RING  
12. 095-1717 J [1] SEAL-O-RING  
13. 114-0756 [1] BUSHING  
14. 127-6052 [1] PISTON  
15. 143-8027 J [1] RING  
16. 170-9860 J [1] SEAL-U-CUP  
17. 6I-6786 J [1] RING-SEAL  
18. 7Y-5116 J [1] RING  
19. 7Y-5119 [1] RING-RETAINING  
20. 7Y-5216 M [8] BOLT-SOCKET HEAD (M20X2.5X80-MM)  
22. 9X-3592 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  250-2487 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP27550328
 

8U-2683: CYLINDER GP-TILT

8U-2683 CYLINDER GP-TILT
S/N 9PS1-UP
100MM (3.93 IN) BORE X 250MM (9.85IN) STROKE
PART OF 117-0931, 125-4428 LINKAGE AR-BUCKET
AN ATTACHMENT
i00427402 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8U-3884 [1] CYLINDER AS  
2. 8U-3885 [1] ROD  
3. 8U-3886 J [3] SEAL  
4. 8U-3887 J [1] SEAL  
5. 8U-2918 J [1] RING-SCRAPER  
6. 8T-0707 [4] RING-RETAINING (INTERNAL)  
7. 5W-2813 [2] BEARING  
   
    AVAILABLE REPAIR KIT(S):
  8U-3888 J [1] KIT-REPAIR  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
 

#SEBP27550329
 

127-9243: CYLINDER GP-VARIABLE ADJ BOOM

127-9243 CYLINDER GP-VARIABLE ADJ BOOM
S/N 9PS1-UP
170MM (6.69IN) BORE X 702MM (27.6IN) STROKES
PART OF 127-9239 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00519131 SEBP2755
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Parts for your M320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7Y-4945 J [1] RING-BACKUP  
2. 7Y-5239 M [8] BOLT-SOCKET HEAD (M24X3X100-MM)  
3. 093-1572 [1] RING-RETAINING  
4. 095-1267 M [1] SETSCREW-SOCKET (M10X1.5-THD)  
5. 170-9847 J [1] SEAL-BUFFER  
6. 216-0005 J [1] SEAL-U-CUP  
7. 105-7262 J [1] RING-WEAR  
8. 165-9289 J [1] SEAL-LIP TYPE  
9. 129-4519 [1] HEAD  
10. 129-4520 [1] ROD & BEARING AS-CYLINDER  
11. 087-5533 [1] BUSHING  
12. 129-4529 [1] PISTON  
13. 136-2220 [1] CYLINDER AS  
14. 087-5533 [1] BUSHING  
15. 095-1625 J [1] SEAL-O-RING  
16. 095-1726 J [1] SEAL-O-RING  
17. 096-2665 J [1] RING-BACKUP  
18. 096-5609 J [1] RING  
19. 114-0757 [1] BUSHING  
20. 9X-3607 J [1] SEAL AS  
21. 8J-0391 [2] COVER  
22. 8T-4137 M [4] BOLT (M10X1.5X20-MM)  
   
    AVAILABLE REPAIR KIT(S):
  256-7093 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

Information:

Special Instruction
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Technical Information Bulletin
Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Tool Operating Manual
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Service Magazine

Caterpillar Parts SIS Catalog M320 :

Truck sale:

 
Caterpillar M320
- wheel excavator
MILTON CAT
 
25.206 
Caterpillar M320, mobilbagger, Bau-Und Bergbauausrüstung
- wheel excavator
ZEPPELIN BAUMASCHINEN
 
91.732 
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