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4I-7629 CYLINDER & SEAL GP STICK PART OF 3A-8964 BOOM AR-ADJUSTABLE 312-A EXCAVATOR


HYDRAULIC SYSTEM
CYLINDER GP
LINES GP-AUXILIARY

EXCAVATOR 312-A EXCAVATOR 6BL
 312 Excavator Custom Attachments 6BL00001-UP (MACHINE) SEBC1053 312-A 6BL   (1994)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER & MTG GP-BLADE
117-3464 CYLINDER & MTG GP-BLADE
CYLINDER & SEAL GP
4I-7628 CYLINDER & SEAL GP
CYLINDER & SEAL GP
4I-7629 CYLINDER & SEAL GP
117-6410 CYLINDER & SEAL GP
CYLINDER GP-BLADE
117-5679 CYLINDER GP-BLADE
CYLINDER GP-BLADE
117-9417 CYLINDER GP-BLADE
 

#SEBC10530050
 

4I-7629: CYLINDER & SEAL GP

4I-7629 CYLINDER & SEAL GP
STICK
PART OF 3A-8964 BOOM AR-ADJUSTABLE
i00369369 SEBC1053
4I7629 CYLINDER & SEAL GP Parts scheme
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 125-1546 Y [1] CYLINDER GP-STICK  
2. 093-1433 [4] SEAL-LIP (59.85MM ID)  
3. 8T-6763 [1] PLUG  
4. 3B-8489 [1] FITTING-GREASE  
  Y   SEPARATE ILLUSTRATION
 

#SEBC10530051
 

117-6410: CYLINDER & SEAL GP

117-6410 CYLINDER & SEAL GP -CUSTOM
PART OF 3A-8965 BOOM AR-PARALLEL OFFSET
i00978003 SEBC1053
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8T-4192 M [4] BOLT (M12X1.75X25MM)  
  125-1545 Y [2] CYLINDER GP-BOOM  
  3B-8489 [2] FITTING-GREASE (1/8-27 THD)  
  5I-4065 Y [1] LINES GP-BOOM CYLINDER  
  1R-6227 [1] PIN  
  095-6824 [2] PLATE  
  093-1433 [4] SEAL-LIP (59.85MM ID)  
  096-0854 [4] SEAL-LIP TYPE  
  099-3600 [4] WASHER  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBC10530052
 

117-5679: CYLINDER GP-BLADE

117-5679 CYLINDER GP-BLADE -RH-CUSTOM
120MM (4.72IN) BORE. 159MM (6.3IN) STROKE
PART OF 115-4743 CYLINDER & LINES GP-BLADE
i00990356 SEBC1053
1175679 CYLINDER GP-BLADE Parts scheme
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] CYLINDER  
1A. 5I-3035 [1] BEARING-SLEEVE  
2. 103-8441 [1] RING-RETAINING  
3. 103-8442 [1] RING  
4. 105-7398 [1] STOP  
5. 5I-3024 M [1] LOCKNUT  
6. 093-1604 J [1] RING  
7. 9X-3592 J [1] SEAL AS  
8. 093-1630 J [1] RING  
9. 5I-3044 [1] PISTON  
10. 099-0681 J [3] RING-BACKUP  
11. 095-1628 J [2] SEAL-O-RING (109.6MM ID)  
12. 096-8139 [1] RING-RETAINING  
13. 114-0755 [1] BEARING-SLEEVE  
14. 093-1484 J [1] SEAL-BUFFER  
15. 093-1479 J [1] SEAL-U-CUP  
16. 096-1054 J [1] RING-BACKUP  
17. 099-0686 [1] HEAD  
18. 116-3387 J [1] SEAL-LIP  
19. 132-5915 [1] ROD AS  
19A. 5I-3063 [1] BEARING-SLEEVE  
20. 099-0695 [1] RING  
21. 8T-4241 [2] RING-RETAINING (44.8MM ID)  
22. 095-1676 J [1] SEAL-O-RING (119.4MM ID)  
   
    AVAILABLE REPAIR KIT(S):
  5I-3047 J [1] KIT-SEAL  
  J   KIT MARKED J INCLUDES PARTS MARKED J
  M   METRIC PART
 

#SEBC10530053
 

117-9417: CYLINDER GP-BLADE

117-9417 CYLINDER GP-BLADE -LH-CUSTOM
120MM (4.72IN) BORE. 159MM (6.3IN) STROKE
PART OF 115-4744 CYLINDER & LINES GP-BLADE
i00990162 SEBC1053
1179417 CYLINDER GP-BLADE Parts scheme
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] CYLINDER AS  
1A. 5I-3035 [1] BEARING-SLEEVE  
2. 103-8441 [1] RING-RETAINING  
3. 103-8442 [1] RING  
4. 105-7398 [1] STOP  
5. 5I-3024 M [1] LOCKNUT  
6. 093-1604 J [1] RING  
7. 9X-3592 J [1] SEAL AS  
8. 093-1630 J [1] RING  
9. 5I-3044 [1] PISTON  
10. 099-0681 J [3] RING-BACKUP  
11. 095-1628 J [2] SEAL-O-RING (109.6MM ID)  
12. 096-8139 [1] RING-RETAINING  
13. 114-0755 [1] BEARING-SLEEVE  
14. 093-1484 J [1] SEAL-BUFFER  
15. 093-1479 J [1] SEAL-U-CUP  
16. 096-1054 J [1] RING-BACKUP  
17. 099-0686 [1] HEAD  
18. 116-3387 J [1] SEAL-LIP  
19. 132-5915 [1] ROD AS  
19A. 5I-3063 [1] BEARING-SLEEVE  
20. 099-0695 [1] RING  
21. 8T-4241 [2] RING-RETAINING (44.8MM ID)  
22. 095-1676 J [1] SEAL-O-RING (119.4MM ID)  
   
    AVAILABLE REPAIR KIT(S):
  5I-3047 J [1] KIT-SEAL  
  J   KIT MARKED J INCLUDES PARTS MARKED J
  M   METRIC PART
 

#SEBC10530054
 

8U-4044: CYLINDER GP-BOOM

8U-4044 CYLINDER GP-BOOM
PART OF 3A-8964 BOOM AR-ADJUSTABLE
i00427432 SEBC1053
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3G-0785 [1] BALL  
  8U-1277 [2] BEARING  
  8T-6429 M [12] BOLT-SOCKET HEAD  
  8U-4047 [1] CYLINDER AS  
  5W-2817 [2] FITTING-GREASE (M10X1 THD)  
  8U-4049 [1] HEAD  
  8U-4062 [1] KIT-REPAIR  
  5W-3581 [1] PIN  
  8U-9165 [1] PISTON  
  8U-4060 [2] RING  
  8U-4055 [3] RING  
  8U-4058 [1] RING-GUIDE  
  8U-4056 [2] RING-SEAL  
  8U-4052 [4] RING-SNAP  
  8U-4772 [1] RING-WIPER  
  8U-4048 [1] ROD-CYLINDER  
  5W-2879 [1] SCREW  
  8U-4054 [1] SEAL  
  8U-4053 [1] SEAL  
  8U-4061 [1] SEAL-O-RING  
  8U-4057 [2] SEAL-O-RING  
  8U-4059 [1] SEAL-PISTON  
  8U-4051 [1] STOP  
  M   METRIC PART
 

#SEBC10530055
 

125-1545: CYLINDER GP-BOOM

125-1545 CYLINDER GP-BOOM
110MM (4.33 IN.) BORE X 1015MM (40 IN.) STROKE
PART OF 117-6410, 4I-7628 CYLINDER & SEAL GP
i00520567 SEBC1053
1251545 CYLINDER GP-BOOM Parts scheme
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-3017 [1] CYLINDER AS  
2. 5I-3063 [1] BEARING-SLEEVE  
3. 093-1603 J [1] RING  
4. 095-1674 J [1] SEAL-O-RING (109.4MM ID)  
5. 093-1629 J [1] RING  
6. 125-1550 [1] PISTON  
7. 6I-6910 J [1] RING-SEAL  
8. 7I-7513 [1] STOP  
9. 095-1627 J [2] SEAL-O-RING (99.6MM ID)  
10. 099-0660 J [3] RING-BACKUP  
11. 099-0661 [1] RING-RETAINING  
12. 114-0750 [1] BEARING-SLEEVE  
13. 096-3469 J [1] SEAL-BUFFER  
14. 096-3468 J [1] SEAL-U-CUP  
15. 096-3467 J [1] RING-BACKUP  
16. 099-0668 [1] HEAD  
17. 116-3388 J [1] SEAL-LIP TYPE  
18. 125-1582 [1] ROD AS  
19. 7Y-3428 [1] BEARING-SLEEVE  
20. 099-0674 [1] RING  
21. 9X-7301 J [1] SEAL AS  
22. 4I-5913 M [1] LOCKNUT  
   
    AVAILABLE REPAIR KIT(S):
  4I-8913 J [1] KIT-SEAL  
  J   PARTS MARKED J INCLUDE KIT(S) MARKED J
  M   METRIC PART
  R   REMFG PART MAY BE AVAILABLE
 

#SEBC10530056
 

125-1546: CYLINDER GP-STICK

125-1546 CYLINDER GP-STICK
120MM (4.72 IN.) BORE X 1197MM (47 IN.) STROKE
PART OF 4I-7629 CYLINDER & SEAL GP
i00520568 SEBC1053
1251546 CYLINDER GP-STICK Parts scheme
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-3032 [1] CYLINDER AS  
2. 5I-3035 [1] BEARING-SLEEVE  
3. 103-8442 [1] RING  
4. 105-7398 [1] STOP  
5. 5I-3024 M [1] LOCKNUT  
6. 093-1604 J [1] RING  
7. 9X-3592 J [1] SEAL AS  
8. 093-1630 J [1] RING  
9. 125-1551 [1] PISTON  
10. 6I-6921 J [1] RING-SEAL  
11. 5I-3046 [1] STOP  
12. 095-1628 J [2] SEAL-O-RING (109.6MM ID)  
13. 099-0681 J [3] RING-BACKUP  
14. 096-8139 [1] RING-RETAINING  
15. 114-0755 [1] BEARING-SLEEVE  
16. 093-1484 J [1] SEAL-BUFFER  
17. 093-1479 J [1] SEAL-U-CUP  
18. 096-1054 J [1] RING-BACKUP  
19. 099-0686 [1] HEAD  
20. 116-3387 J [1] SEAL-LIP  
21. 125-1584 [1] ROD AS  
22. 5I-3035 [1] BEARING-SLEEVE  
23. 095-1676 J [1] SEAL-O-RING (119.4MM ID)  
24. 099-0695 [1] RING  
25. 103-8441 [1] RING-RETAINING  
26. 8T-4241 [2] RING-RETAINING (44.8MM ID)  
   
    AVAILABLE REPAIR KIT(S):
  5I-3047 J [1] KIT-SEAL  
  J   PARTS MARKED J INCLUDE KIT(S) MARKED J
  M   METRIC PART
  R   REMFG PART MAY BE AVAILABLE
 

#SEBC10530057
 

116-6304: LINES AR-AUXILIARY HYDRAULIC

116-6304 LINES AR-AUXILIARY HYDRAULIC -CUSTOM
MEDIUM PRESSURE
FOR USE WITH VARIABLE ADJUSTABLE BOOM
i00987097 SEBC1053
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  116-6305 Y [1] LINES GP-AUXILIARY HYDRAULIC  
  123-8082 Y [1] MOUNTING GP-IMPLEMENT LINES  
  Y   SEPARATE ILLUSTRATION
 

#SEBC10530058
 

116-6316: LINES AR-AUXILIARY HYDRAULIC

116-6316 LINES AR-AUXILIARY HYDRAULIC -CUSTOM
MEDIUM PRESSURE
FOR USE WITH PARALLEL OFFSET BOOM
i00986958 SEBC1053
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  123-3888 Y [1] LINES GP-AUXILIARY HYDRAULIC  
  123-3889 Y [1] MOUNTING GP-IMPLEMENT LINES  
  Y   SEPARATE ILLUSTRATION
 

#SEBC10530059
 

122-2530: LINES AR-AUXILIARY HYDRAULIC

122-2530 LINES AR-AUXILIARY HYDRAULIC -CUSTOM
LONG STICK
i00981476 SEBC1053
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Parts for your 312-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  122-0645 Y [1] LINES GP-AUXILIARY HYDRAULIC  
  122-0648 Y [1] MOUNTING GP-IMPLEMENT LINES  
  Y   SEPARATE ILLUSTRATION
 

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
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
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
Boom Cylinder
311 AND 312 EXCAVATORS HYDRAULIC SYSTEMS
Stick Cylinder
311 AND 312 EXCAVATORS HYDRAULIC SYSTEMS
Bucket Cylinder
311 AND 312 EXCAVATORS HYDRAULIC SYSTEMS
Bucket Cylinder Groups
312 EXCAVATOR ATTACHMENTS
Stick Cylinder Group<BR> 4I-7629
312 EXCAVATOR ATTACHMENTS
Boom Cylinder Group<BR> 4I-7628
312 EXCAVATOR 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
311 AND 312 EXCAVATORS MACHINE SYSTEMS
Stick Cylinder
311 AND 312 EXCAVATORS MACHINE SYSTEMS
Boom Cylinders
311 AND 312 EXCAVATORS MACHINE SYSTEMS
Service Magazine
Tightening Specifications Are Changed For Piston Locknut On Bucket, Boom And Stick Cylinders {5456,5457,5458}
1997/03/24
New Backup Rings Are Available for Sealing Hydraulic Cylinders with Pitted Grooves {4303, 5102, 5104, 5106, 5456, 7562}
2002/07/01
New Assembly Instructions for Rod Seals on Hydraulic Cylinders are Available {7562}
2002/04/08
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}
2011/10/17
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 312-A :

CYLINDER & SEAL GP
4I-7628 CYLINDER & SEAL GP
CYLINDER & MTG GP-BLADE
117-3464 CYLINDER & MTG GP-BLADE
CYLINDER & LINES GP-BOOM
117-8894 CYLINDER & LINES GP-BOOM
CYLINDER & LINES GP-BOOM
117-8893 CYLINDER & LINES GP-BOOM
CYLINDER & LINES GP-BLADE
115-4744 CYLINDER & LINES GP-BLADE
CYLINDER & LINES GP-BLADE
115-4743 CYLINDER & LINES GP-BLADE
CONTROL GP-HYDRAULIC
127-5010 CONTROL GP-HYDRAULIC
CONTROL GP-HYDRAULIC
5I-7058 CONTROL GP-HYDRAULIC
117-6410 CYLINDER & SEAL GP
CYLINDER GP-BLADE
117-5679 CYLINDER GP-BLADE
CYLINDER GP-BLADE
117-9417 CYLINDER GP-BLADE
8U-4044 CYLINDER GP-BOOM
CYLINDER GP-BOOM
125-1545 CYLINDER GP-BOOM
CYLINDER GP-STICK
125-1546 CYLINDER GP-STICK
116-6304 LINES AR-AUXILIARY HYDRAULIC
116-6316 LINES AR-AUXILIARY HYDRAULIC
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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.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.