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1163436 CYLINDER & LINES GP-BUCKET T FAMILY PART OF 1277521-Page 536 AN ATTACHMENT 345B EXCAVATOR


HYDRAULIC SYSTEM
CYLINDER GP

EXCAVATOR 345B EXCAVATOR 2ZW
 345B & 345B L TRACK-TYPE EXCAVATORS /HAMMER ARRANGEMENT &/ 2ZW00001-UP (MACHINE) POWERED BY 3176C ENGINE XEBP7735 345B 2ZW   (1998)

HYDRAULIC SYSTEM

CYLINDER GP
129-7827 CYLINDER & LINES GP-BOOM
129-7830 CYLINDER & LINES GP-STICK
116-3436 CYLINDER & LINES GP-BUCKET
129-7833 CYLINDER & LINES GP-BUCKET
CYLINDER & SEAL GP-BOOM
129-7828 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-STICK
129-7831 CYLINDER & SEAL GP-STICK
 

#XEBP77350310
 

116-3436: CYLINDER & LINES GP-BUCKET

1163436 CYLINDER & LINES GP-BUCKET
T FAMILY
PART OF 1277521-Page 536
AN ATTACHMENT
XEBP77350310 XEBP7735
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  115-8694 [1] LINES GP (BUCKET CYLINDER)  
  118-3934 [1] CYLINDER & SEAL GP (BUCKET)  
 

#XEBP77350311
 

129-7833: CYLINDER & LINES GP-BUCKET

1297833 CYLINDER & LINES GP-BUCKET
U FAMILY
PART OF 1277522-Page 536
AN ATTACHMENT
XEBP77350311 XEBP7735
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  129-5974 [1] LINES GP (BUCKET CYLINDER)  
  129-7834 [1] CYLINDER & SEAL GP (BUCKET)  
 

#XEBP77350312
 

129-7828: CYLINDER & SEAL GP-BOOM

1297828 CYLINDER & SEAL GP-BOOM
PART OF 1297826, 1297827-Page 305
1297829-Page 312
AN ATTACHMENT
h59367e XEBP7735
1297828 CYLINDER & SEAL GP-BOOM Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-7829 Y [1] CYLINDER GP  
2. 9X-4598 [4] SEAL  
3. 3B-8489 [1] FITTING  
4. 8T-6757 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#XEBP77350313
 

129-7831: CYLINDER & SEAL GP-STICK

1297831 CYLINDER & SEAL GP-STICK
PART OF 1297830-Page 306
1297832-Page 313
AN ATTACHMENT
h59369e XEBP7735
1297831 CYLINDER & SEAL GP-STICK Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-7832 Y [1] CYLINDER GP  
2. 9X-4597 [4] SEAL  
3. 3B-8489 [1] FITTING  
  Y   SEPARATE ILLUSTRATION
 

#XEBP77350314
 

118-3934: CYLINDER & SEAL GP-BUCKET

1183934 CYLINDER & SEAL GP-BUCKET
T FAMILY
PART OF 1163436-Page 307
1183935-Page 315
AN ATTACHMENT
h57850e XEBP7735
1183934 CYLINDER & SEAL GP-BUCKET Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7X-4803 [2] SEAL  
2. 118-3935 Y [1] CYLINDER GP  
3. 9X-4597 [2] SEAL  
4. 3B-8489 [2] FITTING  
  Y   SEPARATE ILLUSTRATION
 

#XEBP77350315
 

129-7834: CYLINDER & SEAL GP-BUCKET

1297834 CYLINDER & SEAL GP-BUCKET
U FAMILY
PART OF 1297833-Page 307
1297835-Page 314
AN ATTACHMENT
h57877e XEBP7735
1297834 CYLINDER & SEAL GP-BUCKET Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9X-4597 [2] SEAL  
2. 129-7835 Y [1] CYLINDER GP  
3. 9X-4598 [2] SEAL  
4. 3B-8489 [2] FITTING  
  Y   SEPARATE ILLUSTRATION
 

#XEBP77350316
 

129-7829: CYLINDER GP-BOOM

1297829 CYLINDER GP-BOOM
PART OF 1297828-Page 308
AN ATTACHMENT
h66062e XEBP7735
1297829 CYLINDER GP-BOOM Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-7879 [1] CYLINDER AS  
2. 148-3091 [1] BEARING  
3. 118-3944 J [1] RING  
4. 9X-3604 J [1] SEAL AS  
5. 096-3201 J [1] RING  
6. 123-2111 [1] PISTON  
7. 6I-6785 J [1] RING  
8. 126-2084 [1] STOP  
9. 095-1635 J [1] SEAL-O-RING (ID=149.60mm)  
10. 087-5550 J [1] RING  
11. 7Y-4944 [1] RING  
12. 087-5551 [1] HEAD  
13. 114-0762 [1] BEARING  
14. 123-2031 J [1] SEAL  
15. 7Y-4942 J [1] SEAL  
16. 7Y-4941 J [1] RING  
17. 165-9291 J [1] SEAL  
18. 129-7885 [1] ROD AS  
19. 141-3420 [1] BEARING  
20. 7Y-5239 [8] BOLT (L=100mm)  
21. 123-2112 [1] LOCKNUT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  168-0760 [1] SEAL KIT (INCLUDES PARTS MARKED J)  
 

#XEBP77350317
 

129-7832: CYLINDER GP-STICK

1297832 CYLINDER GP-STICK
PART OF 1297831-Page 309
AN ATTACHMENT
h66063e XEBP7735
1297832 CYLINDER GP-STICK Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-7893 [1] CYLINDER AS  
2. 126-1956 [1] BEARING  
3. 107-6579 [1] RING  
4. 103-8353 [1] STOP  
5. 126-1971 [1] LOCKNUT  
6. 126-1974 J [1] RING  
7. 125-1286 J [1] SEAL AS  
8. 126-1976 J [1] RING  
9. 126-1973 [1] PISTON  
10. 087-5389 J [1] RING  
11. 087-5390 [1] STOP  
12. 095-1730 J [1] SEAL-O-RING (ID=179.30mm)  
13. 126-1978 J [1] RING  
14. 087-5393 [1] RING  
15. 114-0763 [1] BEARING  
16. 126-2047 [1] HEAD  
17. 126-2108 J [1] SEAL  
18. 087-5396 J [1] SEAL  
19. 087-5397 J [1] RING  
20. 165-9293 J [1] SEAL  
21. 129-7898 [1] ROD AS  
22. 151-0650 [1] BEARING  
23. 7X-2489 [10] BOLT (L=100mm)  
24. 095-0930 [2] RING  
25. 103-8345 [1] RING  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  165-9416 [1] SEAL KIT (INCLUDES PARTS MARKED J)  
 

#XEBP77350318
 

129-7835: CYLINDER GP-BUCKET

1297835 CYLINDER GP-BUCKET
U FAMILY
PART OF 1297834-Page 311
AN ATTACHMENT
h66633e XEBP7735
1297835 CYLINDER GP-BUCKET Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-7866 [1] CYLINDER AS  
2. 087-5379 [1] BEARING  
3. 105-7262 J [1] RING  
4. 9X-3607 J [1] SEAL AS  
5. 096-5609 J [1] RING  
6. 7I-7181 [1] PISTON  
7. 095-1726 J [1] SEAL-O-RING (ID=159.30mm)  
8. 7Y-4945 J [1] RING  
9. 7Y-4944 [1] RING  
10. 114-0761 [1] BEARING  
11. 123-2031 J [1] SEAL  
12. 7Y-4932 [1] HEAD  
13. 7Y-4942 J [1] SEAL  
14. 7Y-4941 J [1] RING  
15. 165-9291 J [1] SEAL  
16. 129-7873 [1] ROD AS  
17. 4I-1520 [1] BEARING  
18. 7Y-5239 [8] BOLT (L=100mm)  
19. 7Y-4956 [1] LOCKNUT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  168-0759 [1] SEAL KIT (INCLUDES PARTS MARKED J)  
 

#XEBP77350319
 

118-3935: CYLINDER GP-BUCKET

1183935 CYLINDER GP-BUCKET
T FAMILY
PART OF 1183934-Page 310
AN ATTACHMENT
h66061e XEBP7735
1183935 CYLINDER GP-BUCKET Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 118-3936 [1] CYLINDER AS  
2. 087-5533 [1] BEARING  
2. 123-2112 [1] LOCKNUT  
3. 118-3944 J [1] RING  
4. 9X-3604 J [1] SEAL AS  
5. 096-3201 J [1] RING  
6. 123-2111 [1] PISTON  
7. 095-1635 J [1] SEAL-O-RING (ID=149.60mm)  
8. 087-5550 J [1] RING  
9. 7Y-4944 [1] RING  
10. 114-0762 [1] BEARING  
11. 123-2031 J [1] SEAL  
12. 087-5551 [1] HEAD  
13. 7Y-5239 [8] BOLT (L=100mm)  
14. 7Y-4942 J [1] SEAL  
15. 7Y-4941 J [1] RING  
16. 165-9291 J [1] SEAL  
17. 123-2105 [1] ROD AS  
  087-5548 [1] BEARING  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  168-0760 [1] SEAL KIT (INCLUDES PARTS MARKED J)  
 

Information:

Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
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}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 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}
Specifications
Bucket Cylinder
345B Excavator Machine System Specifications
Bucket Cylinder
345B Excavator Machine System Specifications
Stick Cylinder
345B Excavator Machine System Specifications
Boom Cylinder
345B Excavator Machine System Specifications
Boom Cylinder Lines - Left Hand
345B Excavator Machine System Specifications
Boom Cylinder Lines - Right Hand
345B Excavator Machine System Specifications
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}
Systems Operation
Cylinders (Boom, Stick and Bucket)
345B Excavator Hydraulic System
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Contamination Control Guidelines
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Applied Failure Analysis
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Information Release Memo
PRODUCT LINE ADDITIONS: REMANUFACTURED CYLINDERS AND RODS
PRODUCT LINE ADDITIONS: REMANUFACTURED CYLINDERS AND RODS
Testing and Adjusting
Relief Valve (Counterweight Cylinder) - Test and Adjust
345B Excavator Hydraulic System
Bench Test Procedures
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Disassembly and Assembly
Boom Cylinder - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Boom Cylinder - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Bucket Cylinder - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Bucket Cylinder - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Stick Cylinder - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Stick Cylinder - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Counterweight Cylinder - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Counterweight Cylinder - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Service Magazine
New Backup Rings Are Available for Sealing Hydraulic Cylinders with Pitted Grooves {4303, 5102, 5104, 5106, 5456, 7562}
2003/06/30
New Assembly Instructions for Rod Seals on Hydraulic Cylinders are Available {7562}
2001/09/04
New High Temperature Buffer Seals Reduce Oil Leakage From Hydraulic Cylinders {7562}
2002/05/06
Correctly Assembling the Buffer Seal Will Prevent Failure of the U-Cup Seals {7562}
2001/07/30
Procedure for the Removal of Air From Hydraulic Cylinders {7562}
2003/01/06
Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09
Boom Cylinder Link Assemblies Support Implement During Service {0635, 0738}
2004/03/08
Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2013/02/28
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2009/01/05
A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

Caterpillar Parts SIS Catalog 345B :

129-7830 CYLINDER & LINES GP-STICK
129-7827 CYLINDER & LINES GP-BOOM
129-7826 CYLINDER & LINES GP-BOOM
ACCUMULATOR GP
087-4454 ACCUMULATOR GP
ACCUMULATOR GP
5I-8416 ACCUMULATOR GP
ACCUMULATOR GP
4I-1536 ACCUMULATOR GP
087-4456 ACCUMULATOR GP
FILTER GP-HYDRAULIC
188-4142 FILTER GP-HYDRAULIC
129-7833 CYLINDER & LINES GP-BUCKET
CYLINDER & SEAL GP-BOOM
129-7828 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-STICK
129-7831 CYLINDER & SEAL GP-STICK
CYLINDER & SEAL GP-BUCKET
118-3934 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-BUCKET
129-7834 CYLINDER & SEAL GP-BUCKET
CYLINDER GP-BOOM
129-7829 CYLINDER GP-BOOM
CYLINDER GP-STICK
129-7832 CYLINDER GP-STICK
CYLINDER GP-BUCKET
129-7835 CYLINDER GP-BUCKET

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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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