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341-2791 CYLINDER AR-BOOM S/N YEC1-UP PART OF 490-4009, 508-4526, 508-4527, 526-3295, 526-3296 DISTRIBUTION AR, 490-4010 MERCHANDISE AR 323F LN


HYDRAULIC SYSTEM
CYLINDER GP
DRIVE GP
FILTER GP

EXCAVATOR 323F LN EXCAVATOR YEC
 323F LN Excavator YEC00001-UP (MACHINE) POWERED BY C4.4 Engine M0076786 323F LN YEC   (2017)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER & SEAL GP-HYDRAULIC
279-8709 CYLINDER & SEAL GP-HYDRAULIC
CYLINDER & SEAL GP-STICK
341-2802 CYLINDER & SEAL GP-STICK
341-2791 CYLINDER AR-BOOM
CYLINDER GP-BUCKET
469-9342 CYLINDER GP-BUCKET
CYLINDER GP-BUCKET
469-9353 CYLINDER GP-BUCKET
CYLINDER GP-BUCKET
575-1074 CYLINDER GP-BUCKET
 

#M00767860400
 

341-2791: CYLINDER AR-BOOM

341-2791 CYLINDER AR-BOOM
S/N YEC1-UP
PART OF 490-4009, 508-4526, 508-4527, 526-3295, 526-3296 DISTRIBUTION AR, 490-4010 MERCHANDISE AR
i04409374 M0076786
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Parts for your 323F LN EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  341-2792 Y [1] CYLINDER & LINES GP-BOOM (LH)  
  341-2793 Y [1] CYLINDER & LINES GP-BOOM (RH)  
  Y   SEPARATE ILLUSTRATION
 

#M00767860401
 

469-9342: CYLINDER GP-BUCKET

469-9342 CYLINDER GP-BUCKET -LH
S/N YEC1-UP
80-MM (3.15-IN) BORE X 235.3-MM (9.26-IN) STROKE
PART OF 476-8685, 476-8688, 484-0203, 484-0204 BUCKET GP-DITCH CLEANING
i06720351 M0076786
4699342 CYLINDER GP-BUCKET Parts scheme
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Parts for your 323F LN EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 494-4314 C [1] HEAD GP-HYDRAULIC CYLINDER  
2A. 323-2467 J [1] RING-WEAR  
2B. 338-2414 J [1] SEAL-WIPER  
2C. 338-2444 J [1] SEAL-U-CUP  
2D. 340-9315 J [1] SEAL-O-RING  
  323-4218 [1] HEAD  
3. 323-4221 [1] PISTON AS  
3A. 161-7147 J [1] SEAL-PISTON  
3B. 340-9312 J [1] SEAL-O-RING  
3C. 343-8050 J [2] RING-WEAR  
  323-4220 [1] PISTON  
4. 350-3842 M [2] SETSCREW (M8X1.25X12.3-MM)  
5. 469-9343 [1] CYLINDER AS-TILT  
5A. 475-4998 [1] BUSHING  
6. 469-9350 [1] ROD AS  
6A. 475-4998 [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  501-6702 CJ [1] KIT-HYDRAULIC CYLINDER SEAL  
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00767860402
 

469-9353: CYLINDER GP-BUCKET

469-9353 CYLINDER GP-BUCKET -RH
S/N YEC1-UP
80-MM (3.15-IN) BORE X 235.3-MM (9.26-IN) STROKE
PART OF 476-8685, 476-8688, 484-0203, 484-0204 BUCKET GP-DITCH CLEANING
i06720342 M0076786
4699353 CYLINDER GP-BUCKET Parts scheme
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Parts for your 323F LN EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 494-4314 C [1] HEAD GP-HYDRAULIC CYLINDER  
2A. 323-2467 J [1] RING-WEAR  
2B. 478-4175 J [1] SEAL-WIPER  
2C. 338-2444 J [1] SEAL-U-CUP  
2D. 340-9315 J [1] SEAL-O-RING  
  491-4780 [1] HEAD  
3. 323-4221 [1] PISTON AS  
3A. 161-7147 J [1] SEAL-PISTON  
3B. 340-9312 J [1] SEAL-O-RING  
3C. 343-8050 J [2] RING-WEAR  
  323-4220 [1] PISTON  
4. 350-3842 M [2] SETSCREW (M8X1.25X12.3-MM)  
5. 469-9350 [1] ROD AS  
5A. 475-4998 [1] BUSHING  
6. 469-9354 [1] CYLINDER AS-TILT  
6A. 475-4998 [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  501-6702 CJ [1] KIT-HYDRAULIC CYLINDER SEAL  
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00767860403
 

575-1074: CYLINDER GP-BUCKET

575-1074 CYLINDER GP-BUCKET
S/N YEC1-UP
120-MM (4.7-IN) BORE X 1104-MM (43.5-IN) STROKE
PART OF 356-8787 CYLINDER & SEAL GP-BUCKET
i07741235 M0076786
5751074 CYLINDER GP-BUCKET Parts scheme
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Parts for your 323F LN EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 087-5510 J [1] RING  
2. 095-1267 M [2] SETSCREW-SOCKET (M10X1.5-THD)  
3. 095-1717 J [1] SEAL-O-RING  
4. 102-2244 [1] GROMMET  
5. 114-0756 [1] BUSHING  
6. 126-2043 [1] HEAD  
7. 158-9063 J [2] RING  
8. 165-9286 J [1] SEAL-LIP TYPE  
9. 179-9674 J [1] RING  
10. 188-2199 [1] SEAL-O-RING  
11. 212-0907 [1] PLATE-CONNECTOR  
12. 215-1942 [1] RING-BACKUP  
13. 217-3312 [1] MAGNET  
14. 357-5257 [1] COVER  
15. 246-9113 [1] RETAINER  
16. 355-5818 J [1] SEAL-BUFFER  
17. 355-5820 J [1] SEAL-U-CUP  
18. 356-7529 [1] SENSOR GP-POSITION (LINEAR)(BUCKET CYLINDER)  
  9X-3401 [3] PIN-CONNECTOR (16-GA TO 18-GA)  
19. 357-0756 [1] PISTON  
20. 102-8804 [1] KIT-RECEPTACLE (4-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
21. 3E-3377 [1] WEDGE-RECEPTACLE LOCK (4-PIN)  
22. 3V-2431 [2] WASHER (10.2X16X2-MM THK)  
23. 486-4636 [1] ROD AS  
24. 486-6322 [1] CYLINDER AS  
25. 495-8191 J [1] SEAL AS  
26. 6V-8223 M [1] SETSCREW-SOCKET (M10X1.5X16-MM)  
27. 7Y-5116 J [1] RING  
28. 7Y-5119 [1] RING-RETAINING  
29. 7Y-5216 M [8] BOLT-SOCKET HEAD (M20X2.5X80-MM)  
30. 8T-8737 [1] PLUG-SEAL  
31. 8T-8894 M [2] BOLT-SOCKET HEAD (M10X1.5X20-MM)  
32. 9X-1386 E SLEEVE (9-CM)  
32A. 9X-1386 E SLEEVE (7-CM)  
   
    AVAILABLE REPAIR KIT(S):
  545-6415 J [1] KIT-SEAL  
    (ALSO INCLUDES RING SEAL)
  E   ORDER BY THE CENTIMETER
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00767860404
 

389-7213: CYLINDER GP-COUPLER

389-7213 CYLINDER GP-COUPLER
S/N YEC1-UP
63.5-MM (2.5-IN) BORE X 139.7-MM (5.5-IN) STROKE
PART OF 513-5049 COUPLER GP-QUICK
i05783022 M0076786
3897213 CYLINDER GP-COUPLER Parts scheme
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Parts for your 323F LN 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):
  453-6523 [1] KIT-PACKING (COUPLER CYLINDER)  
    (INCLUDES O RINGS, BACK-UP RINGS, DUST SEAL, BP SEAL & POLYPAK SEAL)
  213-8433 J [1] KIT-SEAL (CHECK VALVE)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#M00767860405
 

360-5447: CYLINDER GP-HYDRAULIC

360-5447 CYLINDER GP-HYDRAULIC -VARIABLE ADJUSTABLE BOOM
S/N YEC1-UP
160-MM (6.3-IN) BORE X 1050-MM (41.3-IN) STROKE
PART OF 279-8709 CYLINDER & SEAL GP-HYDRAULIC
i05760962 M0076786
3605447 CYLINDER GP-HYDRAULIC Parts scheme
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Parts for your 323F LN EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6C-6088 [1] HEAD  
2. 7Y-4622 [1] LOCKNUT (SPECIAL)  
3. 7Y-4631 [1] RING-RETAINING  
4. 087-5005 [1] STOP  
5. 103-8379 [1] RING  
6. 106-9595 [1] STOP  
7. 165-9288 J [1] SEAL-LIP TYPE  
8. 372-2151 C [1] SEAL-BUFFER  
9. 185-0592 [1] PISTON  
10. 247-8829 J [1] RING-SEAL  
11. 323-3838 C [1] CYLINDER AS-HYDRAULIC  
11A. 290-9182 [1] BUSHING  
12. 360-5446 [1] ROD AS  
12A. 290-9182 [1] BUSHING  
13. 087-5550 J [1] RING-BACKUP  
14. 095-0929 J [2] RING-RETAINING  
15. 095-1635 J [1] SEAL-O-RING  
16. 103-8378 [1] RING-RETAINING  
17. 185-0230 J [2] RING  
18. 185-0231 J [1] RING  
19. 372-2152 C [1] SEAL-U-CUP  
20. 5M-6213 [1] PLUG-PIPE (1/4-18-THD)  
21. 5M-6214 [1] PLUG (1/8-27 PTF)  
22. 6C-6093 [1] BUSHING  
23. 7Y-4628 J [1] RING (BACKUP)  
24. 7Y-5239 M [8] BOLT-SOCKET HEAD (M24X3X100-MM)  
25. 9X-3604 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  362-9412 J [1] KIT-SEAL (CYLINDER)(VARIABLE ADJUSTABLE BOOM)  
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00767860406
 

333-2965: DRIVE & MTG GP-SWING

333-2965 DRIVE & MTG GP-SWING
S/N YEC1-UP
PART OF 370-5985 POWER TRAIN AR
i06942764 M0076786
3332965 DRIVE & MTG GP-SWING Parts scheme
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Parts for your 323F LN EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2Y-5503 [2] CORK  
2. 201-7949 M [12] BOLT (M24X3X70-MM)  
3. 6V-8237 [12] WASHER (26X44X4-MM THK)  
4. 464-8726 CY [1] DRIVE GP-SWING (WITH MOTOR)  
5. 096-4755 [1] PIN  
6. 5D-1026 [1] CLAMP-BAND  
7. 5P-0767 E HOSE (90-CM)  
   
  1U-8846 BF SEALANT-GASKET  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  E   ORDER BY THE CENTIMETER
  F   NOT SHOWN
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00767860407
 

378-9517: DRIVE GP-SWING

378-9517 DRIVE GP-SWING
S/N YEC1-UP
PART OF 464-8726 DRIVE GP-SWING
i06584497 M0076786
3789517 DRIVE GP-SWING Parts scheme
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Parts for your 323F LN EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-7238 [1] VALVE-SHUTOFF  
2. 094-0611 [6] WASHER (47.3X76X1-MM THK)  
3. 148-4636 [1] SHAFT-PINION  
4. 148-4640 [1] RING-RETAINING  
5. 171-9383 [1] SPACER  
6. 199-4561 [2] SEAL-LIP TYPE  
7. 227-6228 [1] CAGE  
8. 367-8364 [1] GEAR-SUN (20-TEETH)  
9. 367-8365 [3] GEAR-PLANETARY (26-TEETH)  
10. 367-8367 [2] RING-RETAINING  
11. 367-8368 [1] GEAR-SUN (23-TEETH)  
12. 367-8369 [3] GEAR-PLANETARY (25-TEETH)  
13. 378-9513 [3] SHAFT  
14. 378-9514 [1] CARRIER-PLANETARY  
15. 378-9515 [1] GEAR-RING (73-TEETH)  
16. 378-9516 [1] HOUSING  
17. 378-9609 [1] CARRIER AS  
18. 451-2182 [6] WASHER-HARD (13.5X25.5X3-MM THK)  
19. 453-3447 M [6] BOLT (M12X1.75X40-MM)  
20. 094-0584 [6] WASHER (40.3X72X1-MM THK)  
21. 509-6676 [3] PIN-SPRING  
22. 095-1022 [1] BEARING-ROLLER  
23. 148-4642 [1] SEAL-O-RING  
24. 148-4643 [1] BEARING  
25. 296-6268 [6] BEARING AS-ROLLER  
26. 346-5215 [3] BEARING AS  
27. 3K-0360 [1] SEAL-O-RING  
28. 7I-7623 [1] SPACER (52X69.5X6-MM THK)  
29. 7Y-1434 [1] SPACER (40X69.5X6-MM THK)  
30. 8T-0348 M [16] BOLT-SOCKET HEAD (M16X2X50-MM)  
31. 8T-4240 [3] RING-RETAINING  
32. 9X-8268 [16] WASHER (17.5X30X3.5-MM THK)  
   
  1U-8846 BF SEALANT-GASKET  
  B   USE AS REQUIRED
  F   NOT SHOWN
  M   METRIC PART
 

#M00767860408
 

464-8726: DRIVE GP-SWING

464-8726 DRIVE GP-SWING -WITH MOTOR
S/N YEC1-UP
PART OF 333-2965 DRIVE & MTG GP-SWING
i06584343 M0076786
4648726 DRIVE GP-SWING Parts scheme
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Parts for your 323F LN EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 114-1398 [1] GAUGE-OIL LEVEL (SWING DRIVE)  
2. 114-1399 [1] PIPE-GAUGE  
3. 227-6221 [1] BREATHER AS (SWING DRIVE)  
  4H-6112 [1] BREATHER (SWING DRIVE)  
  227-6215 [1] BOSS (1/4-18-THD)  
  267-6785 [1] PIPE  
4. 378-9517 Y [1] DRIVE GP-SWING (WITHOUT MOTOR)  
5. 467-1393 Y [1] MOTOR & MTG GP-SWING  
   
  1U-8846 BF SEALANT-GASKET  
  B   USE AS REQUIRED
  F   NOT SHOWN
  Y   SEPARATE ILLUSTRATION
 

#M00767860409
 

158-8987: FILTER & VALVE GP-PILOT

158-8987 FILTER & VALVE GP-PILOT -HYDRAULIC OIL
S/N YEC1-UP
PART OF 417-2293 TANK & FILTER GP-HYDRAULIC
i01256862 M0076786
1588987 FILTER & VALVE GP-PILOT Parts scheme
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Parts for your 323F LN EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-8670 [1] FILTER-OIL (ADVANCED EFFICIENCY)(HYDRAULIC, PILOT)  
2. 215-4909 [1] VALVE GP-PILOT RELIEF (HYDRAULIC FILTER)  
2A. 095-1584 [1] SEAL-O-RING  
2B. 095-1590 [1] SEAL-O-RING  
2C. 095-1596 [1] SEAL-O-RING  
 

Information:

Caterpillar Parts SIS Catalog 323F LN :

CYLINDER & SEAL GP-STICK
341-2802 CYLINDER & SEAL GP-STICK
CYLINDER & SEAL GP-HYDRAULIC
279-8709 CYLINDER & SEAL GP-HYDRAULIC
CYLINDER & SEAL GP-BUCKET
356-8787 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-BUCKET
341-2814 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-BOOM
341-2790 CYLINDER & SEAL GP-BOOM
352-0193 CYLINDER & LINES GP-STICK
341-2803 CYLINDER & LINES GP-STICK
463-5701 CYLINDER & LINES GP-BUCKET
CYLINDER GP-BUCKET
469-9342 CYLINDER GP-BUCKET
CYLINDER GP-BUCKET
469-9353 CYLINDER GP-BUCKET
CYLINDER GP-BUCKET
575-1074 CYLINDER GP-BUCKET
CYLINDER GP-COUPLER
389-7213 CYLINDER GP-COUPLER
CYLINDER GP-HYDRAULIC
360-5447 CYLINDER GP-HYDRAULIC
DRIVE & MTG GP-SWING
333-2965 DRIVE & MTG GP-SWING
DRIVE GP-SWING
378-9517 DRIVE GP-SWING
DRIVE GP-SWING
464-8726 DRIVE GP-SWING
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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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