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349-4134 CYLINDER & SEAL GP-BUCKET S/N MDT1-UP 120-MM (4.7-IN) BORE X 1104-MM (43.5-IN) STROKE PART OF 349-4133 CYLINDER & LINES GP-BUCKET FIELD REPLACEMENT ORDER @@@@@341-2814@@@@@, 1-463-6932 KIT-FENDER AN ATTACHMENT 321D LCR


HYDRAULIC SYSTEM
CYLINDER GP
DRIVE GP

EXCAVATOR 321D LCR EXCAVATOR MDT
 321D LCR Excavator MDT00001-UP (MACHINE) POWERED BY C6.4 Engine SEBP4880 321D LCR MDT   (2006)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER & SEAL GP-BUCKET
242-6756 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-BUCKET
341-2814 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-BUCKET
349-4134 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-STICK
242-6734 CYLINDER & SEAL GP-STICK
CYLINDER & SEAL GP-STICK
341-2802 CYLINDER & SEAL GP-STICK
CYLINDER & SEAL GP-STICK
349-4128 CYLINDER & SEAL GP-STICK
 

#SEBP48800370
 

349-4134: CYLINDER & SEAL GP-BUCKET

349-4134 CYLINDER & SEAL GP-BUCKET
S/N MDT1-UP
120-MM (4.7-IN) BORE X 1104-MM (43.5-IN) STROKE
PART OF 349-4133 CYLINDER & LINES GP-BUCKET
FIELD REPLACEMENT ORDER @@@@@341-2814@@@@@, 1-463-6932 KIT-FENDER
AN ATTACHMENT
i04132290 SEBP4880
3494134 CYLINDER & SEAL GP-BUCKET Parts scheme
  For full view, you need register

Parts for your 321D LCR EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 121-1611 J [1] SEAL-LIP TYPE  
2. 096-1568 J [1] RING-BACKUP  
3. 350-0957 J [1] SEAL-U-CUP  
4. 350-0952 J [1] SEAL-BUFFER  
5. 096-4402 [1] BUSHING  
6. 094-0747 [1] RING-RETAINING  
7. 177-2611 [1] HEAD  
8. 8T-1447 M [12] BOLT-SOCKET HEAD (M16X2X70-MM)  
9. 095-1717 J [1] SEAL-O-RING  
10. 096-3964 J [1] RING-BACKUP  
11. 247-8886 [1] CYLINDER AS  
11A. 235-7769 [1] BUSHING  
12. 247-8887 [1] ROD AS  
12A. 241-7382 [1] BUSHING  
13. 4I-3615 J [2] RING-BACKUP  
14. 096-7803 J [1] SEAL AS  
15. 247-8865 J [2] RING  
16. 086-0255 J [2] RING  
17. 247-8885 [1] PISTON  
18. 096-3216 M [1] SETSCREW-SOCKET (M12X1.75X12-MM)  
19. 3D-2891 [1] BALL  
20. 166-1494 [2] SEAL-LIP TYPE  
21. 235-7679 [2] SEAL-LIP TYPE  
22. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  350-0967 J [1] KIT-SEAL (BUCKET CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP48800371
 

242-6734: CYLINDER & SEAL GP-STICK

242-6734 CYLINDER & SEAL GP-STICK
S/N MDT1-UP
140-MM (5.5-IN) BORE X 1504-MM (59.2-IN) STROKE
PART OF 242-6733 CYLINDER & LINES GP-STICK
AN ATTACHMENT
i02420906 SEBP4880
2426734 CYLINDER & SEAL GP-STICK Parts scheme
  For full view, you need register

Parts for your 321D LCR EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 133-6904 J [1] SEAL-LIP TYPE  
2. 121-1372 J [1] RING-BACKUP  
3. 121-1371 J [1] SEAL-U-CUP  
4. 204-3623 J [1] SEAL-BUFFER  
5. 096-5625 [1] BUSHING  
6. 094-1931 [1] RING-RETAINING  
7. 188-4181 [1] HEAD  
8. 4I-3628 M [12] BOLT-SOCKET HEAD (M18X2.5X80-MM)  
9. 095-1721 J [1] SEAL-O-RING  
10. 4I-3627 J [1] RING-BACKUP  
11. 247-8876 [1] CYLINDER AS  
11A. 241-7381 [1] BUSHING  
12. 247-8877 [1] ROD AS  
12A. 241-7381 [1] BUSHING  
13. 4I-8869 [1] STOP  
14. 126-1876 J [1] RING-SEAL  
15. 4I-3631 J [2] RING-BACKUP  
16. 096-1570 J [1] SEAL AS  
17. 247-8874 J [2] RING  
18. 096-1571 J [2] RING  
19. 247-8873 [1] PISTON  
20. 096-6210 M [1] SETSCREW-SOCKET (M14X2X14-MM)  
21. 4B-9880 [1] BALL  
22. 085-8605 [1] RING-RETAINING  
23. 194-8359 J [1] RING-SEAL  
24. 121-1549 [1] STOP  
25. 085-8604 [2] RING-RETAINING  
26. 166-1494 [4] SEAL-LIP TYPE  
27. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  247-8878 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP48800372
 

341-2802: CYLINDER & SEAL GP-STICK

341-2802 CYLINDER & SEAL GP-STICK
S/N MDT1-UP
140-MM (5.5-IN) BORE X 1504-MM (59.2-IN) STROKE
PART OF 341-2801 CYLINDER & LINES GP-STICK
FIELD REPLACEMENT FOR @@@@@349-4128@@@@@
AN ATTACHMENT AND FIELD INSTALLATION
i04408610 SEBP4880
3412802 CYLINDER & SEAL GP-STICK Parts scheme
  For full view, you need register

Parts for your 321D LCR EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 352-1098 [1] CYLINDER AS-STICK  
1A. 357-5711 [2] BUSHING  
2. 352-1104 [1] ROD AS  
2A. 240-2914 [2] BUSHING  
3. 188-4181 [1] HEAD  
4. 095-1721 J [1] SEAL-O-RING  
5. 4I-3627 J [1] RING-BACKUP  
6. 096-5625 [1] BUSHING  
7. 094-1931 [1] RING-RETAINING  
8. 350-0955 J [1] SEAL-BUFFER  
9. 350-0960 J [1] SEAL-U-CUP  
10. 121-1372 J [1] RING-BACKUP  
11. 456-0195 J [1] SEAL-LIP TYPE  
12. 126-1876 J [1] RING-SEAL  
13. 378-1556 [1] STOP  
14. 247-8873 [1] PISTON  
15. 096-1571 J [2] RING  
16. 247-8874 J [2] RING  
17. 096-1570 J [1] SEAL AS  
18. 4I-3631 J [2] RING-BACKUP  
19. 4B-9880 [1] BALL  
20. 096-6210 M [1] SETSCREW-SOCKET (M14X2X14-MM)  
21. 085-8605 [1] RING-RETAINING  
22. 194-8359 J [1] RING-SEAL  
23. 085-8604 [2] RING-RETAINING  
24. 121-1549 [1] STOP  
25. 4I-3628 M [12] BOLT-SOCKET HEAD (M18X2.5X80-MM)  
26. 166-1494 [4] SEAL-LIP TYPE  
27. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  456-0202 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP48800373
 

349-4128: CYLINDER & SEAL GP-STICK

349-4128 CYLINDER & SEAL GP-STICK
S/N MDT1-UP
140-MM (5.5-IN) BORE X 1504-MM (59.3-IN) STROKE
PART OF 349-4127 CYLINDER & LINES GP-STICK
FIELD REPLACEMENT ORDER @@@@@341-2802@@@@@
AN ATTACHMENT
i04140090 SEBP4880
3494128 CYLINDER & SEAL GP-STICK Parts scheme
  For full view, you need register

Parts for your 321D LCR EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 133-6904 J [1] SEAL-LIP TYPE  
2. 121-1372 J [1] RING-BACKUP  
3. 350-0960 J [1] SEAL-U-CUP  
4. 350-0955 J [1] SEAL-BUFFER  
5. 096-5625 [1] BUSHING  
6. 094-1931 [1] RING-RETAINING  
7. 188-4181 [1] HEAD  
8. 4I-3628 M [12] BOLT-SOCKET HEAD (M18X2.5X80-MM)  
9. 095-1721 J [1] SEAL-O-RING  
10. 4I-3627 J [1] RING-BACKUP  
11. 247-8876 [1] CYLINDER AS  
11A. 241-7381 [1] BUSHING  
12. 247-8877 [1] ROD AS  
12A. 241-7381 [1] BUSHING  
13. 4I-8869 [1] STOP  
14. 126-1876 J [1] RING-SEAL  
15. 4I-3631 J [2] RING-BACKUP  
16. 096-1570 J [1] SEAL AS  
17. 247-8874 J [2] RING  
18. 096-1571 J [2] RING  
19. 247-8873 [1] PISTON  
20. 096-6210 M [1] SETSCREW-SOCKET (M14X2X14-MM)  
21. 4B-9880 [1] BALL  
22. 085-8605 [1] RING-RETAINING  
23. 194-8359 J [1] RING-SEAL  
24. 121-1549 [1] STOP  
25. 085-8604 [2] RING-RETAINING  
26. 166-1494 [4] SEAL-LIP TYPE  
27. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  350-0970 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP48800374
 

172-8402: CYLINDER GP-COUPLER

172-8402 CYLINDER GP-COUPLER
S/N MDT1-UP
70-MM (2.8-IN) BORE X 145-MM (5.7-IN) STROKE
PART OF 235-0723 COUPLER GP-QUICK
AN ATTACHMENT
i02549860 SEBP4880
1728402 CYLINDER GP-COUPLER Parts scheme
  For full view, you need register

Parts for your 321D LCR EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 172-8406 [1] VALVE GP-CHECK (HYD CYLINDER, QUICK COUPLER)  
1A. 2U-5338 [1] SEAL-O-RING  
1B. 107-7640 [1] SEAL-O-RING  
1C. 9W-3340 [1] SEAL-O-RING  
2. 091-5928 [2] FITTING-GREASE  
   
    AVAILABLE REPAIR KIT(S):
  172-8487 [1] KIT-SEAL (HYD CYLINDER, QUICK COUPLER)  
 

#SEBP48800375
 

294-8011: CYLINDER GP-COUPLER

294-8011 CYLINDER GP-COUPLER
S/N MDT1-UP
88.9-MM (3.5-IN) BORE X 165.1-MM (6.5-IN) STROKE
PART OF 292-4151 COUPLER GP-QUICK
AN ATTACHMENT
i03900878 SEBP4880
2948011 CYLINDER GP-COUPLER Parts scheme
  For full view, you need register

Parts for your 321D LCR 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. 339-3730 J [1] VALVE-COUNTERBALANCE  
4. [1] BEARING  
5. [2] BUSHING  
6. [1] PISTON  
7. 346-5594 [1] HEAD  
8. 346-5595 [1] ROD AS  
9. 346-5596 [1] TUBE AS  
10. 3F-7147 [12] BOLT (1/2-13X1.5-IN)  
11. 4B-9808 [3] SETSCREW (1/4-20X0.5-IN)  
12. 9S-8002 [4] PLUG (7/16-20-THD)  
13. 9S-8004 [1] PLUG (9/16-18-THD)  
   
    AVAILABLE REPAIR KIT(S):
  346-0643 [1] KIT-SEAL (COUPLER CYLINDER)  
    (INCLUDES WIPER, DOUBLE LIP SEAL, WEAR-RING, O-RING, BACK-UP RING, PISTON RING SET, & CAST IRON PISTON RING)
  161-1980 J [1] KIT-SERVICE (COUNTERBALANCE VALVE)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP48800376
 

390-9505: CYLINDER GP-COUPLER

390-9505 CYLINDER GP-COUPLER
S/N MDT1-UP
63.5-MM (2.5-IN) BORE X 116.8-MM (4.6-IN) STROKE
PART OF 486-5366 COUPLER GP-QUICK
AN ATTACHMENT
i05859647 SEBP4880
3909505 CYLINDER GP-COUPLER Parts scheme
  For full view, you need register

Parts for your 321D LCR EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 237-0947 J [1] VALVE GP-CHECK (PILOT OPERATED)  
2. 3J-1907 [1] SEAL-O-RING  
3. 3J-7354 [1] SEAL-O-RING  
4. 9S-8002 [1] PLUG (7/16-20-THD)  
5. 9S-8004 [1] PLUG (9/16-18-THD)  
6. 9F-2167 [1] SCREW-PURGE (3/8-24X1.164-IN)  
   
    AVAILABLE REPAIR KIT(S):
  213-8433 J [1] KIT-SEAL (CHECK VALVE)  
  453-6523 [1] KIT-PACKING (COUPLER CYLINDER)  
    (INCLUDES O-RINGS,SEALS & POLYPAK)
  J   KIT MARKED J SERVICES PART(S)MARKED J
 

#SEBP48800377
 

563-8380: CYLINDER GP-COUPLER

563-8380 CYLINDER GP-COUPLER -B-LINKAGE
S/N MDT1-UP
AN ATTACHMENT
i07754493 SEBP4880
5638380 CYLINDER GP-COUPLER Parts scheme
  For full view, you need register

Parts for your 321D LCR EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 237-0947 J [1] VALVE GP-CHECK (PILOT OPERATED)  
2. 9F-2167 [1] SCREW-PURGE (3/8-24X1.164-IN)  
   
    AVAILABLE REPAIR KIT(S):
  213-8433 J [1] KIT-SEAL (CHECK VALVE)  
  576-5831 [1] KIT-SEAL (HOUSING)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP48800378
 

298-4154: DRIVE AR-PUMP

298-4154 DRIVE AR-PUMP
S/N MDT1-UP
AN ATTACHMENT
i02727508 SEBP4880
  For full view, you need register

Parts for your 321D LCR EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  283-3735 Y [1] COVER GP-SIDE  
  191-5537 Y [1] DRIVE GP-AUXILIARY PUMP  
  Y   SEPARATE ILLUSTRATION
 

#SEBP48800379
 

191-5537: DRIVE GP-AUXILIARY PUMP

191-5537 DRIVE GP-AUXILIARY PUMP
S/N MDT1-UP
PART OF 298-4154 DRIVE AR-PUMP
AN ATTACHMENT
i01458566 SEBP4880
1915537 DRIVE GP-AUXILIARY PUMP Parts scheme
  For full view, you need register

Parts for your 321D LCR EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 101-7402 M [8] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
2. 8T-4189 M [2] BOLT (M8X1.25X20-MM)  
3. 8T-4192 M [2] BOLT (M12X1.75X25-MM)  
4. 191-5601 [2] BEARING  
5. 096-0121 [1] SEAL-O-RING  
6. 191-5541 [1] COVER  
7. 8T-5049 [1] SEAL-O-RING  
8. 177-2585 [1] COVER  
9. 173-3436 [1] COVER  
10. 095-1680 [1] SEAL-O-RING  
11. 9S-4191 [1] PLUG (9/16-18-THD)  
12. 3J-1907 [1] SEAL-O-RING  
13. 099-2096 [2] BALL BEARING  
14. 173-3406 [1] SHAFT  
15. 191-5540 [1] GEAR (39-TEETH)  
16. 191-5539 [1] SHAFT  
17. 129-7857 [1] GASKET  
18. 094-1875 [2] DOWEL  
  M   METRIC PART
 

Information:

Caterpillar Parts SIS Catalog 321D LCR :

CYLINDER & SEAL GP-BUCKET
341-2814 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-BUCKET
242-6756 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-BOOM
418-5507 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
418-5506 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
360-4632 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
360-4630 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
274-2690 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
274-2689 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-STICK
242-6734 CYLINDER & SEAL GP-STICK
CYLINDER & SEAL GP-STICK
341-2802 CYLINDER & SEAL GP-STICK
CYLINDER & SEAL GP-STICK
349-4128 CYLINDER & SEAL GP-STICK
CYLINDER GP-COUPLER
172-8402 CYLINDER GP-COUPLER
CYLINDER GP-COUPLER
294-8011 CYLINDER GP-COUPLER
CYLINDER GP-COUPLER
390-9505 CYLINDER GP-COUPLER
CYLINDER GP-COUPLER
563-8380 CYLINDER GP-COUPLER
298-4154 DRIVE AR-PUMP

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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
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