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393-6344 CYLINDER AR-BOOM S/N PZL1-UP; WEY1-UP PART OF 396-2654, 396-2657, 396-2658, 417-9075 OPTION AR-HYDRAULIC AN ATTACHMENT 312E




HYDRAULIC SYSTEM

CYLINDER GP
 

#SEBP56490720
 

393-6344: CYLINDER AR-BOOM

393-6344 CYLINDER AR-BOOM
S/N PZL1-UP; WEY1-UP
PART OF 396-2654, 396-2657, 396-2658, 417-9075 OPTION AR-HYDRAULIC
AN ATTACHMENT
i05397341 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  393-6346 Y [1] CYLINDER & LINES GP-BOOM (RH)  
    -OR-
  422-9164 Y [1] CYLINDER & LINES GP-BOOM (RH)  
  393-6345 Y [1] CYLINDER & LINES GP-BOOM (LH)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP56490721
 

349-4109: CYLINDER GP-BLADE

349-4109 CYLINDER GP-BLADE -LH
S/N PZL1-UP; WEY1-UP
120-MM (4.7-IN) BORE X 202-MM (8-IN) STROKE
PART OF 349-4107 CYLINDER & SEAL GP-BLADE
AN ATTACHMENT
i04526353 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 326-4446 [1] CYLINDER AS-HYDRAULIC  
1A. 273-6945 BUSHING  
2. 283-6083 [1] ROD AS  
2A. 273-6945 [1] BUSHING  
3. 125-1551 [1] PISTON  
4. 123-9950 [1] HEAD  
5. 326-4417 M [1] LOCKNUT (M60X2-THD)  
6. 9X-3592 J [1] SEAL AS  
7. 096-8139 [1] RING-RETAINING  
8. 099-0695 [1] RING  
9. 119-5445 J [1] RING  
10. 143-8027 J [1] RING  
11. 355-5814 J [1] SEAL-BUFFER  
12. 355-5816 J [1] SEAL-U-CUP  
13. 165-9285 J [1] SEAL-LIP TYPE  
14. 095-1628 J [1] SEAL-O-RING  
15. 095-1676 J [1] SEAL-O-RING  
16. 096-1054 J [1] RING-BACKUP  
17. 099-0681 J [1] RING-BACKUP  
18. 114-0755 [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  349-4122 J [1] KIT-SEAL (BLADE CYLINDER)  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
 

#SEBP56490722
 

349-4110: CYLINDER GP-BLADE

349-4110 CYLINDER GP-BLADE -RH
S/N PZL1-UP; WEY1-UP
120-MM (4.7-IN) BORE X 202-MM (8-IN) STROKE
PART OF 349-4108 CYLINDER & SEAL GP-BLADE
AN ATTACHMENT
i04526383 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 326-4452 [1] CYLINDER AS-HYDRAULIC  
1A. 273-6945 [1] BUSHING  
2. 283-6083 [1] ROD AS  
2A. 273-6945 [1] BUSHING  
3. 125-1551 [1] PISTON  
4. 123-9950 [1] HEAD  
5. 326-4417 M [1] LOCKNUT (M60X2-THD)  
6. 9X-3592 J [1] SEAL AS  
7. 096-8139 [1] RING-RETAINING  
8. 099-0695 [1] RING  
9. 119-5445 J [1] RING  
10. 143-8027 J [1] RING  
11. 355-5814 J [1] SEAL-BUFFER  
12. 355-5816 J [1] SEAL-U-CUP  
13. 165-9285 J [1] SEAL-LIP TYPE  
14. 095-1628 J [1] SEAL-O-RING  
15. 095-1676 J [1] SEAL-O-RING  
16. 096-1054 J [1] RING-BACKUP  
17. 099-0681 J [1] RING-BACKUP  
18. 114-0755 [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  349-4122 J [1] KIT-SEAL (CYLINDER)  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
 

#SEBP56490723
 

358-2096: CYLINDER GP-BOOM

358-2096 CYLINDER GP-BOOM
S/N PZL1-UP; WEY1-UP
110-MM (4.3-IN) BORE X 1015-MM (40-IN) STROKE
PART OF 358-2095 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i04526503 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 358-2098 [1] CYLINDER AS  
1A. 355-2208 [1] BUSHING  
2. 358-2097 [1] ROD AS  
2A. 355-2201 [1] BUSHING  
3. 173-3351 [1] HEAD  
4. 095-1674 J [1] SEAL-O-RING  
5. 099-0660 J [3] RING-BACKUP  
6. 095-1627 J [2] SEAL-O-RING  
7. 114-0750 [1] BUSHING  
8. 099-0661 [1] RING-RETAINING  
9. 349-4115 J [1] SEAL-BUFFER  
10. 096-3467 J [1] RING-BACKUP  
11. 349-4117 J [1] SEAL-U-CUP  
12. 165-9284 J [1] SEAL-LIP TYPE  
13. 283-5971 J [1] RING-SEAL  
14. 388-4928 [1] STOP  
15. 283-5926 [1] PISTON  
16. 143-8150 M [1] LOCKNUT-SPECIAL  
17. 143-8031 J [2] RING  
18. 9X-7301 J [1] SEAL AS  
19. 283-5927 J [2] RING  
20. 099-0674 [1] RING  
   
    AVAILABLE REPAIR KIT(S):
  349-4119 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP56490724
 

358-2108: CYLINDER GP-BUCKET

358-2108 CYLINDER GP-BUCKET
S/N PZL1-UP; WEY1-UP
100-MM (3.9-IN) BORE X 939-MM (37-IN) STROKE
PART OF 358-2107 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT
i04421624 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 358-2110 [1] CYLINDER AS  
1A. 355-2203 [1] BUSHING  
2. 289-7743 [1] ROD AS  
2A. 248-7857 [1] BUSHING  
3. 289-7702 [1] HEAD  
4. 093-1519 J [1] RING-BACKUP  
5. 114-0753 [1] BUSHING  
6. 099-5400 [1] RING-RETAINING  
7. 349-4116 J [1] SEAL-BUFFER  
8. 349-4118 J [1] SEAL-U-CUP  
9. 283-5952 [1] PISTON  
10. 133-6686 M [1] LOCKNUT-SPECIAL  
11. 9X-7298 J [1] SEAL AS  
12. 143-8025 J [2] RING  
13. 283-5953 J [2] RING  
14. 165-9283 J [1] SEAL-LIP TYPE  
15. 095-1713 J [1] SEAL-O-RING  
16. 099-5399 J [1] RING-BACKUP  
17. 6V-8467 J [1] SEAL-O-RING  
18. 099-0600 [1] RING  
   
    AVAILABLE REPAIR KIT(S):
  349-4121 J [1] KIT-SEAL (BUCKET CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP56490725
 

368-7047: CYLINDER GP-BUCKET

368-7047 CYLINDER GP-BUCKET
S/N PZL1-UP; WEY1-UP
100-MM (3.9-IN) BORE X 939-MM (37-IN) STROKE
PART OF 368-7046 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT
i04581774 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 102-8804 [1] KIT-RECEPTACLE (4-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
2. 8T-8737 [1] PLUG-SEAL  
3. 099-0600 [1] RING  
4. 102-2244 [1] GROMMET  
5. 165-9283 J [1] SEAL-LIP TYPE  
6. 212-0907 [1] PLATE-CONNECTOR  
7. 217-3312 [1] MAGNET  
8. 217-8763 [1] COVER-PROTECTION  
9. 246-9113 [1] RETAINER  
10. 289-7702 [1] HEAD  
11. 295-2534 [1] SENSOR AS-POSITION (BUCKET)  
  9X-3401 [3] PIN-CONNECTOR (16-GA TO 18-GA)  
12. 349-4116 J [1] SEAL-BUFFER  
13. 368-7048 [1] CYLINDER AS  
13A. 095-0879 [1] PIN-SPRING  
13B. 355-2203 [1] BUSHING  
14. 368-7053 [1] ROD AS  
14A. 248-7857 [1] BUSHING  
15. 368-7055 [1] PISTON  
16. 093-1519 J [1] RING-BACKUP  
17. 095-1267 M [2] SETSCREW-SOCKET (M10X1.5-THD)  
18. 095-1713 J [1] SEAL-O-RING  
19. 099-5399 J [1] RING-BACKUP  
20. 099-5400 [1] RING-RETAINING  
21. 114-0753 [1] BUSHING  
22. 143-8025 J [2] RING  
23. 188-2199 [1] SEAL-O-RING  
24. 215-1942 [1] RING-BACKUP  
25. 283-5953 J [2] RING  
26. 349-4118 J [1] SEAL-U-CUP  
28. 3V-2431 [2] WASHER (10.2X16X2-MM THK)  
29. 6V-8223 M [1] SETSCREW-SOCKET (M10X1.5X16-MM)  
30. 6V-8467 J [1] SEAL-O-RING  
31. 8T-8894 M [2] BOLT-SOCKET HEAD (M10X1.5X20-MM)  
32. 9X-7298 J [1] SEAL AS  
33. 9X-1386 E SLEEVE (9-CM)  
33A. 9X-1386 E SLEEVE (7-CM)  
   
    AVAILABLE REPAIR KIT(S):
  349-4121 J [1] KIT-SEAL (BUCKET CYLINDER)  
  E   ORDER BY THE CENTIMETER
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP56490726
 

484-2102: CYLINDER GP-BUCKET

484-2102 CYLINDER GP-BUCKET -LH
S/N PZL1-UP; WEY1-UP
70-MM (28-IN) BORE X 167.3-MM (6.6-IN) STROKE
PART OF 484-0198, 484-0199 BUCKET GP-DITCH CLEANING
AN ATTACHMENT
i06296640 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 324-0496 [1] HEAD AS  
2A. 323-2465 J [1] BUSHING  
2B. 338-2412 J [1] SEAL-WIPER  
2C. 338-2442 J [1] SEAL-U-CUP  
2D. 340-9308 J [1] SEAL-O-RING  
  324-0442 [1] CYLINDER HEAD  
3. 324-0498 [1] PISTON AS  
3A. 161-7145 J [1] SEAL-PISTON  
3B. 340-6272 J [2] RING-WEAR  
3C. 340-9311 J [1] SEAL-O-RING  
  324-0497 [1] PISTON  
4. 350-3842 M [2] SETSCREW (M8X1.25X12.3-MM)  
5. 484-2093 [1] CYLINDER AS-TILT  
5A. [1] BUSHING  
6. 484-2094 [1] ROD AS  
6A. [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  324-0355 J [1] KIT-SEAL (STEERING CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP56490727
 

484-2103: CYLINDER GP-BUCKET

484-2103 CYLINDER GP-BUCKET -RH
S/N PZL1-UP; WEY1-UP
70-MM (28-IN) BORE X 167.3-MM (6.6-IN) STROKE
PART OF 484-0198, 484-0199 BUCKET GP-DITCH CLEANING
AN ATTACHMENT
i06296644 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 494-4313 JY [1] HEAD GP-HYDRAULIC CYLINDER  
3. 324-0498 [1] PISTON AS  
3A. 161-7145 J [1] SEAL-PISTON  
3B. 340-6272 J [2] RING-WEAR  
3C. 340-9311 J [1] SEAL-O-RING  
  324-0497 [1] PISTON  
4. 350-3842 M [2] SETSCREW (M8X1.25X12.3-MM)  
5. 484-2094 [1] ROD AS  
5A. [1] BUSHING  
6. 484-2104 [1] CYLINDER AS-TILT  
6A. [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  501-6692 J [1] KIT-HYD CYLINDER SEAL  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP56490728
 

169-0329: CYLINDER GP-COUPLER

169-0329 CYLINDER GP-COUPLER
S/N PZL1-UP; WEY1-UP
60-MM (2.4-IN) BORE X 110-MM (4.3-IN) STROKE
PART OF 169-0327, 169-0701 LOCK GP-QUICK COUPLER
AN ATTACHMENT
i04423629 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 169-3923 [1] KIT-VALVE (QUICK COUPLER)  
   
    AVAILABLE REPAIR KIT(S):
  202-7897 [1] KIT-SEAL (COUPLER CYLINDER)  
    (INCLUDES 4 SEALS, 3 O-RING SEALS, 5 BACK-UP RINGS & 1 WIPER SEAL)
 

#SEBP56490729
 

300-6024: CYLINDER GP-COUPLER

300-6024 CYLINDER GP-COUPLER
S/N PZL1-UP; WEY1-UP
63.5-MM (2.5-IN) BORE X 137-MM (5.39-IN) STROKE
PART OF 292-4159 COUPLER GP-QUICK
AN ATTACHMENT
i03823032 SEBP5649
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Parts for your 312E EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
2. 9F-2167 [1] SCREW-PURGE (3/8-24X1.164-IN)  
3. 346-5585 [1] BEARING  
4. 346-5586 [2] BEARING (TRUNNION)  
5. 346-5587 [1] PISTON  
6. 346-5588 [1] HEAD  
7. 346-5589 [1] ROD AS  
8. 346-5590 [1] TUBE AS  
9. 346-6711 J [1] VALVE AS-COUNTERBALANCE  
10. 010-2570 [3] SETSCREW (1/4-20X0.375-IN)  
11. 2D-4534 [12] BOLT-SOCKET HEAD (3/8-16X1-IN)  
12. 9S-8002 [3] PLUG (7/16-20-THD)  
13. 9S-8004 [1] PLUG (9/16-18-THD)  
   
    AVAILABLE REPAIR KIT(S):
  346-5584 [1] KIT-SEAL (COUPLER CYLINDER)  
    (INCLUDES WIPER, DOUBLE LIP SEAL, WEAR RING, O-RING, BACK-UP RING, PISTON RING SET & PISTON RING)
  161-1980 J [1] KIT-SERVICE (COUNTERBALANCE VALVE)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

Information:

Tool Operating Manual
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}

Caterpillar Parts SIS Catalog 312E :

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