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1241831 CYLINDER BOOM CYLINDER 350-A L EXCAVATOR


HYDRAULIC SYSTEM
CYLINDER GP
SERVICE EQUIPMENT AND SUPPLIES
CHARTS & FILMS
IMPLEMENTS
PIN GP
COOLING SYSTEM
COOLER GP
FRAME AND BODY
HOOD GP

EXCAVATOR 350-A L EXCAVATOR 9FL
 350 EXCAVATOR WITH MATERIAL HANDLER 9FL00780-UP (MACHINE) SEBC0578 350-A L 9FL   (1992)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP-SEAL - STICK CYLINDER
147-1857 CYLINDER GP-SEAL - STICK CYLINDER
CYLINDER GP-SEAL - BOOM CYLINDER
124-4455 CYLINDER GP-SEAL - BOOM CYLINDER
CYLINDER GP-SEAL - STICK CYLINDER
147-1855 CYLINDER GP-SEAL - STICK CYLINDER
123-4330 CYL GP - SEAL
CYLINDER BOOM CYLINDER
124-1831 CYLINDER BOOM CYLINDER
123-4331 CYL GP - SEAL
CYLINDER GP-STICK CYLINDER
124-1825 CYLINDER GP-STICK CYLINDER
123-4332 CYL GP - SEAL
CYLINDER GP - JIB CYLINDER
124-1822 CYLINDER GP - JIB CYLINDER
 

#SEBC05780060
 

124-1831: CYLINDER BOOM CYLINDER

1241831 CYLINDER BOOM CYLINDER
c959414 SEBC0578
1241831 CYLINDER BOOM CYLINDER Parts scheme
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-1829 [1] CYLINDER AS  
2. 116-3513 [1] LOCKNUT (M105)  
3. 9X-3570 [1] RING  
4. 8C-9179 [1] SEAL AS  
5. 116-3514 [1] PISTON  
6. 4I-7828 [1] STOP  
7. 102-0817 [1] HEAD  
8. 095-1731 [1] SEAL  
9. 4I-6330 [1] RING  
10. 128-9261 [1] BEARING  
11. 8C-9189 [1] SEAL  
12. 8C-9187 [1] SEAL  
13. 107-6615 [1] SEAL  
14. 124-1827 [1] ROD AS  
15. 8T-0668 [11] BOLT (M24)  
16. 6V-8237 [11] WASJER  
17. 8C-9188 [1] RING  
18. 085-7248 [1] RING  
19. 6I-6790 [1] RING  
20. 102-0786 [1] RING  
21. 114-0600 [1] BEARING  
22. 6E-0787 BEARING  
 

#SEBC05780061
 

123-4331: CYL GP - SEAL

1234331 CYL GP - SEAL
SEBC05780061 SEBC0578
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-8611 [1] ELBOW-TYPE  
2. 9X-4600 [4] SEAL-LIP TYPE  
3. 124-1825 [1] CYL GP (220-1507)  
 

#SEBC05780062
 

124-1825: CYLINDER GP-STICK CYLINDER

1241825 CYLINDER GP-STICK CYLINDER
c959416 SEBC0578
1241825 CYLINDER GP-STICK CYLINDER Parts scheme
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-1826 [1] CYLINDER AS  
2. 4I-6329 [1] NUT (3)  
3. [1] STOP  
4. 095-1274 [1] SET SCREW (M6)  
5. 116-3516 [1] LOCKNUT (M120)  
6. 6E-0496 [1] RING  
7. 8C-9182 [1] SEAL AS  
8. 4I-6443 [1] RING  
9. 116-3517 [1] PISTON  
10. 116-3518 [1] STOP  
11. 116-3519 [1] RING  
12. 095-1733 [1] SEAL  
13. 4I-6442 [1] RING  
14. 103-8631 [1] HEAD  
15. 6V-8237 [12] WASHER  
16. 8T-0668 [12] BOLT (M24)  
17. 124-1823 [1] ROD AS  
18. 128-9262 [1] BEARING  
19. 8C-9193 [1] SEAL  
20. 8C-9191 [1] SEAL  
21. 107-6616 [1] SEAL  
22. 8C-9192 [1] RING  
23. 103-8364 [1] RING  
24. 6E-0781 [1] BEARING  
 

#SEBC05780063
 

123-4332: CYL GP - SEAL

1234332 CYL GP - SEAL
SEBC05780063 SEBC0578
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [1] FITTING HYD  
2. 7X-4803 [4] SEAL-LIP TYPE  
3. 124-1822 [1] CYL GP (150-1014)  
 

#SEBC05780064
 

124-1822: CYLINDER GP - JIB CYLINDER

1241822 CYLINDER GP - JIB CYLINDER
c959418 SEBC0578
1241822 CYLINDER GP - JIB CYLINDER Parts scheme
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-1821 [1] CYLINDER AS  
2. 7Y-4956 [1] LOCKNUT (M90)  
3. 7I-7181 [1] PISTON  
4. 7Y-4936 [1] STOP  
5. 095-1726 [1] SEAL  
6. 7Y-4945 [1] RING  
7. 7Y-4932 [1] HEAD  
8. 124-1819 [1] ROD AS.  
9. 096-5609 [1] RING  
10. 9X-3607 [1] SEAL AS  
11. 105-7262 [1] RING  
12. 6I-6785 [1] RING  
13. 095-0930 [2] RING  
14. 107-6933 [1] STOP  
15. 107-6579 [1] RING  
16. 103-8345 [1] RING  
17. 7Y-5239 [8] BOLT (M24)  
18. 111-9957 [1] SEAL  
19. 7Y-4941 [1] RING  
20. 7Y-4942 [1] SEAL  
21. 7Y-4943 [1] SEAL  
22. 114-0761 [1] BEARING  
23. 7Y-4944 [1] RING  
24. 7Y-4939 [1] BEARING  
 

#SEBC05780065
 

130-2097: FILM GP

1302097 FILM GP
SEBC05780065 SEBC0578
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 130-6888 [1] FILM-INST  
 

#SEBC05780066
 

125-0385: PIN GP - MATERIAL HANDLER

1250385 PIN GP - MATERIAL HANDLER
c959419 SEBC0578
1250385 PIN GP - MATERIAL HANDLER Parts scheme
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 135-1666 [1] PIN  
2. 106-6838 [1] PIN AS  
3. 123-9059 [1] PIN AS  
4. 123-9061 [1] PIN AS  
5. 127-7236 [1] PIN AS  
6. 123-9068 [1] PIN AS  
7. 4I-6261 [1] PIN  
8. 127-7234 [1] PIN AS  
9. 124-1822 [1] CYLINDER  
10. 124-1825 [1] CYLINDER  
11. 124-1831 [1] CYLINDER  
 

#SEBC05780067
 

141-5423: SPACER GP - COOLER

1415423 SPACER GP - COOLER
REFER TO 1434574
SEBC05780067 SEBC0578
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 139-9379 [1] SUPPORT GP  
2. 141-5398 [1] HOOD GP  
3. 144-6348 [1] SUPPORT AS  
 

#SEBC05780068
 

139-9379: SUPPORT GROUP

1399379 SUPPORT GROUP
c959422 SEBC0578
1399379 SUPPORT GROUP Parts scheme 1399379 SUPPORT GROUP Parts scheme
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 139-9368 [1] BRACKET AS.  
2. 139-9376 [1] BRACKET AS.  
3. 139-9378 [1] BRACKET AS.  
4. 139-9356 [2] BRACKET AS.  
5. 144-6333 [1] BRACKET AS.  
6. 144-6332 [1] BRACKET AS.  
7. 139-9359 [2] PLATE  
8. 8T-4192 [4] BOLT  
9. 8T-4223 [24] WASHER  
10. 8T-4244 [2] NUT  
11. 8B-0723 [2] NUT-WIRING  
12. 6V-8236 [2] PIN-SPRING  
13. 139-9380 [2] PIN AS  
14. 8T-4139 [8] BOLT  
15. 141-1163 [1] COVER AS  
16. 139-9381 [2] PLATE  
17. 139-9383 [2] PLATE  
18. 139-9384 [2] BOSS  
19. 1A-6930 [2] SPRING  
20. 8T-4176 [2] BOLT  
21. 7X-0605 [2] WASHER  
22. 139-9385 [1] HOSE  
23. 139-9386 [1] HOSE  
24. 139-9387 [1] HOSE AS  
25. 139-9388 [1] HOSE AS  
26. 139-9360 [1] PLATE  
27. 4J-0527 [4] SEAL  
28. 123-0354 [1] SCREW  
29. 8T-4186 [4] BOLT  
30. 8T-4121 [4] WASHER  
31. 8T-4910 [4] NUT  
32. 8T-4179 [4] BOLT  
 

#SEBC05780069
 

141-5398: HOOD GP

1415398 HOOD GP
c959425 SEBC0578
1415398 HOOD GP Parts scheme 1415398 HOOD GP Parts scheme
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Parts for your 350-A L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 141-5388 [1] HOOD AS.  
2. 141-5391 [1] SUPPORT AS  
3. 141-5399 [1] PLATE  
4. 143-4596 [1] PLATE  
5. 5P-8501 [1] PADLOCK  
6. 9M-3835 [2] LATCH  
7. 5G-2881 [2] SHAFT  
8. 6H-5829 [4] RING  
9. 144-6308 [1] BAR  
12. 095-0843 [1] COTTER-PIN  
13. 096-3780 [1] PIN-CLEVIS  
15. 7I-0832 [1] LINER  
16. 7I-0831 [1] LINER  
17. 8T-4223 [1] WASHER  
 

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}
Service Letter-NACD
Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators
Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators
Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators
Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators
Service Letter-CSARL
Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators
Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators
Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators
Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators
Service Letter-Americas
Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators
Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators
Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators
Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators
Technical Information Bulletin
Material Handler Stick Hydraulic Cylinder Rod Flexing
Material Handler Stick Hydraulic Cylinder Rod Flexing
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
Hydraulic Cylinders
350 AND 350L EXCAVATORS ATTACHMENTS
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}
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}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 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}
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
Bucket Cylinder
350 AND 350 L EXCAVATOR MACHINE SYSTEMS
Stick Cylinder
350 AND 350 L EXCAVATOR MACHINE SYSTEMS
Boom Cylinders
350 AND 350 L EXCAVATOR MACHINE SYSTEMS
Counterweight Lift Cylinders
350 AND 350 L EXCAVATOR MACHINE SYSTEMS
Service Magazine
New Threaded Gland Cylinder Heads Have Stronger Seal Land{7562,4303,5102,5104,5105,5223,5229,5265,5452}
1996/11/11
New Balancing Hose Extends The Service Life Of Boom Lowering Control Valves {5057,5067,5456}
1999/09/13
The Stick Cylinder Rod is Improved for 350 Excavators {7562}
1999/12/20
An Improved Dust Seal for Hydraulic Cylinders Increases the Service Life {5456, 5457, 5458, 7555, 7555}
2000/07/10
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}
2001/07/30
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}
2012/10/04
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2009/01/05
Correct Ring Orientation Provides Smooth Hydraulic Cylinder Operation {5456, 5458}
2009/03/16
A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

Caterpillar Parts SIS Catalog 350-A L :

123-4330 CYL GP - SEAL
123-4329 LINES GP - BOOM CYL.
LINES GP - STICK (JIB) (ROTATE)
125-6034 LINES GP - STICK (JIB) (ROTATE)
LINES GP - GREASE (JIB)
124-7757 LINES GP - GREASE (JIB)
STICK GP
124-1354 STICK GP
LINES GP - STICK (JIB)
123-4319 LINES GP - STICK (JIB)
9Q-9661 STICK AR-HANDLER
LINES GP STICK - (MID) (ROTATE)
125-6033 LINES GP STICK - (MID) (ROTATE)
123-4331 CYL GP - SEAL
CYLINDER GP-STICK CYLINDER
124-1825 CYLINDER GP-STICK CYLINDER
123-4332 CYL GP - SEAL
CYLINDER GP - JIB CYLINDER
124-1822 CYLINDER GP - JIB CYLINDER
130-2097 FILM GP
PIN GP - MATERIAL HANDLER
125-0385 PIN GP - MATERIAL HANDLER
141-5423 SPACER GP - COOLER
SUPPORT GROUP
139-9379 SUPPORT GROUP
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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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