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7Y1552 PUMP & MOUNTING GP TYPE 2 1140602-PAGE 190.01, 7Y1584-PAGE 189 320 L EXCAVATOR


HYDRAULIC SYSTEM
PUMP GP
COUPLING GP
PUMP GP
OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
PUMP GP

EXCAVATOR 320 L EXCAVATOR 3XK
 320, 320 L, 320 N AND 320 S EXCAVATORS 3XK00822-UP (MACHINE) POWERED BY 3116 ENGINE SEBP2199 320 L 3XK   (2019)

HYDRAULIC SYSTEM

PUMP GP
PUMP & MOUNTING GP
7Y-1552 PUMP & MOUNTING GP
PUMP & MOUNTING GP
7Y-1552 PUMP & MOUNTING GP
COUPLING GP-PUMP
7Y-1584 COUPLING GP-PUMP
PUMP GP-PISTON
087-4828 PUMP GP-PISTON
 

#SEBP21990490
 

7Y-1552: PUMP & MOUNTING GP

7Y1552 PUMP & MOUNTING GP
TYPE 2
1140602-PAGE 190.01, 7Y1584-PAGE 189
c723753 SEBP2199
7Y1552 PUMP & MOUNTING GP Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 114-0602 RCY [1] PUMP GP  
2. 7Y-1584 Y [1] COUPLING GP-PUMP  
3. 8T-4195 M [12] BOLT (M10X1.50X30MM)  
4. 8T-4121 [12] WASHER  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP21990491
 

7Y-1552: PUMP & MOUNTING GP

7Y1552 PUMP & MOUNTING GP
TYPE 1
7Y1584-PAGE 189, 874828-PAGE 190
c530418 SEBP2199
7Y1552 PUMP & MOUNTING GP Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 087-4828 Y [1] PUMP GP-DOUBLE PISTON  
2. 7Y-1584 Y [1] COUPLING GP-PUMP  
3. 8T-4195 M [12] BOLT  
4. 8T-4121 [12] WASHER  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP21990492
 

7Y-1584: COUPLING GP-PUMP

7Y1584 COUPLING GP-PUMP
PART OF 7Y1552 PUMP & MOUNTING
c530395 SEBP2199
7Y1584 COUPLING GP-PUMP Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7Y-1905 M [4] BOLT-SOCKET HEAD  
2. 7Y-0468 [4] PIN-SPRING  
3. 7Y-1908 [1] SPACER  
4. 7Y-1907 [1] COUPLING AS  
5. 7Y-1904 M [4] BOLT-SOCKET HEAD  
6. 7Y-0468 [8] PIN-SPRING  
7. 7Y-1909 [1] HUB  
8. 7Y-0466 M [2] SETSCREW-SOCKET  
9. 7Y-1902 [4] INSERT-COUPLING  
10. 7Y-1901 [1] ELEMENT  
11. 7Y-1900 [4] INSERT-COUPLING  
  M   METRIC PART
 

#SEBP21990493
 

087-4828: PUMP GP-PISTON

874828 PUMP GP-DOUBLE PISTON
4I7866-PAGE 191,874718-PAGE 194
PART OF 7Y1552 PUMP & MOUNTING
c532063 SEBP2199
0874828 PUMP GP-PISTON Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-1907 [2] SEAL (11.89MM ID)  
2. 087-4720 [1] TUBE AS  
3. 4I-7866 Y [1] HEAD GP-PUMP CONTROL  
4. 087-4718 Y [1] PUMP GP-HYDRAULIC  
5. 8T-8441 M [4] BOLT-SOCKET HEAD  
6. 087-4748 [1] PLATE  
7. 2H-9247 [1] SEAL-O-RING  
   
    THE FOLLOWING KIT
    IS AVAILABLE:
  087-4749 [1] KIT-SEAL  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP21990494
 

114-0602: PUMP GP

1140602 PUMP GP*R
1225105-PAGE 192.01, 1140667-PAGE 194.01
PART OF 7Y1552 PUMP & MOUNTING
c723767 SEBP2199
1140602 PUMP GP Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 122-5105 Y [1] HEAD GP-PUMP CONTROL  
2. 114-0667 Y [1] PUMP GP-HYDRAULIC  
3. 8T-8441 M [4] BOLT-SOCKET HEAD (M12X1.75X25MM)  
4. 087-4748 [1] PLATE  
5. 2H-9247 [1] SEAL-O-RING (132.94MM ID)  
6. 122-5334 [4] CAP  
7. 9T-4368 [2] CAP AS  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
   
  114-0668 [1] KIT-SEAL  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP21990495
 

4I-7866: CONTROL GP-PUMP

4I7866 HEAD GP-PUMP CONTROL
4I7867-PAGE 192,995693-PAGE 193
PART OF 874828 PUMP-DOUBLE PISTON
c532857 SEBP2199
4I7866 CONTROL GP-PUMP Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-7867 Y [1] HEAD GP-PUMP CONTROL  
2. 087-4741 [1] HOUSING-CONTROL  
3. 9T-3382 [1] GASKET  
4. 099-5837 [2] SPRING  
5. 099-8225 [2] DOWEL  
6. 099-5835 [2] TRUNNION  
7. 099-5846 [2] RING  
8. 6V-5391 [2] SEAL-O-RING  
9. 099-5839 [2] PIN  
10. 8T-4139 M [2] BOLT  
11. 099-5838 [2] PISTON  
12. 099-5693 Y [2] COVER GP  
13. 099-5847 [2] RING  
14. 099-5840 [2] RING  
15. 099-5848 [2] RING  
16. 099-8232 [2] SEAL-O-RING  
17. 099-5834 [2] PISTON  
18. 087-4744 [2] SPACER-SPRING  
19. 9T-3941 [3] PLUG-BREAKOFF  
20. 8T-7811 M [8] BOLT  
21. 099-5873 M [4] BOLT-SOCKET HEAD  
22. 9T-3940 [2] PLUG-BREAKOFF  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP21990496
 

4I-7867: CONTROL GP-PUMP

4I7867 HEAD GP-PUMP CONTROL
874754-PAGE 193
PART OF 4I7866 HEAD-PUMP CONTROL
c661438 SEBP2199
4I7867 CONTROL GP-PUMP Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-8397 [4] SEAL-O-RING (9.25MM ID)  
2. 6V-5196 M [6] BOLT-SOCKET HEAD  
3. 087-4755 [1] HOUSING-CONTROL  
4. 087-4754 Y [2] HEAD GP-PUMP CONTROL  
5. 4I-7868 [2] SPRING  
6. 107-6392 [2] SPACER  
7. 4I-7869 [2] SPRING  
8. 005-8593 [2] SEAL-O-RING  
9. 4J-5477 [2] SEAL-O-RING (8.61MM ID)  
10. 087-4760 [2] SPACER-SPRING  
11. 9T-3928 [2] PLUG-HEX  
12. 087-4756 [2] PISTON-CONTROL  
13. 087-4759 M [2] SETSCREW  
14. 9T-3853 [2] LOCKNUT  
15. 099-5702 [2] SEAT-SPRING  
16. 087-4758 [2] SPRING  
17. 099-5845 [3] PLUG-HEX  
18. 3J-1907 [3] SEAL-O-RING (11.89MM ID)  
19. 9T-3941 [9] PLUG-BREAK OFF  
20. 099-5841 [3] SEAT-VALVE  
21. 6E-3864 [3] VALVE-SHUTTLE  
22. 087-4766 [3] BUSHING-TERMINAL  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP21990497
 

122-5105: HEAD GP-PUMP CONTROL

1225105 HEAD GP-PUMP CONTROL
995693-PAGE 193, 1225106-PAGE 192.02
PART OF 1140602 PUMP
c723771 SEBP2199
1225105 HEAD GP-PUMP CONTROL Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 122-5106 Y [1] HEAD GP-PUMP CONTROL  
2. 114-0772 [1] HOUSING-CONTROL  
3. 9T-3382 [1] GASKET  
4. 099-5837 [2] SPRING  
5. 099-8225 [2] DOWEL  
6. 099-5835 [2] TRUNNION  
7. 099-5846 [2] RING  
8. 6V-5391 [2] SEAL-O-RING (37.77MM ID)  
9. 099-5839 [2] PIN  
10. 8T-4139 M [2] BOLT (M12X1.75X30MM)  
11. 099-5838 [2] PISTON  
12. 099-5693 Y [2] COVER GP-PUMP  
13. 099-5847 [2] RING  
14. 099-5840 [2] RING  
15. 099-5848 [2] RING  
16. 099-8232 [2] SEAL-O-RING (28.24MM ID)  
17. 099-5834 [2] PISTON  
18. 087-4744 [2] SPACER-SPRING  
19. 099-5873 M [4] BOLT-SOCKET HEAD (M12X1.75X75MM)  
20. 8T-7811 M [8] BOLT (M12X1.75X50MM)  
21. 9T-3941 [2] PLUG-BREAK OFF  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP21990498
 

122-5106: HEAD GP-PUMP CONTROL

1225106 HEAD GP-PUMP CONTROL
874754-PAGE 193
PART OF 1225105 HEAD-PUMP CONTROL
c723772 SEBP2199
1225106 HEAD GP-PUMP CONTROL Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-8397 [2] SEAL-O-RING (9.27MM ID)  
2. 6V-5196 M [6] BOLT-SOCKET HEAD (M8X1.25X80MM)  
3. 114-0672 [1] HOUSING-CONTROL  
4. 087-4754 Y [2] CONTROL GP-PUMP  
5. 4I-7868 [2] SPRING  
6. 107-6392 [2] SPACER  
7. 4I-7869 [2] SPRING  
8. 005-8593 [2] SEAL-O-RING (52.07MM ID)  
9. 4J-5477 [2] SEAL-O-RING (8.61MM ID)  
10. 087-4760 [2] SPACER-SPRING  
11. 9T-3928 [2] PLUG-HEX  
12. 123-1979 [2] PISTON  
13. 087-4759 M [2] SETSCREW  
14. 9T-3853 [2] LOCKNUT  
15. 123-1981 [2] SEAT  
16. 123-1980 [2] SPRING  
17. 099-5845 [1] PLUG-HEX  
18. 3J-1907 [1] SEAL-O-RING (11.89MM ID)  
19. 9T-3941 [9] PLUG-BREAK OFF  
20. 099-5841 [1] SEAT-VALVE  
21. 6E-3864 [1] VALVE-SHUTTLE  
22. 087-4766 [1] BUSHING-TERMINAL  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP21990499
 

099-5693: COVER GP-PUMP

995693 COVER GP
PART OF 4I7866, 1225105 HEADS-PUMP CONTROL
c532865 SEBP2199
0995693 COVER GP-PUMP Parts scheme
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Parts for your 320 L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-5573 [1] SEAL-O-RING  
2. 6V-8397 [1] SEAL-O-RING  
3. 9T-3049 [1] BOLT-STOP  
4. 9T-3048 [1] LOCKNUT-SEAL  
5. 9T-3929 [1] PLUG-HEX  
6. 6V-8200 [4] BOLT-HEX SOCKET  
7. 099-5694 [1] COVER-GUIDE  
 

Information:

Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Service Letter-NACD
The Main Pump Retaining Plates Need To Be Replaced On Certain 320, 320L, 320N, 320S, 322, 325L And 325LN Excavators
The Main Pump Retaining Plates Need To Be Replaced On Certain 320, 320L, 320N, 320S, 322, 325L And 325LN Excavators
Service Letter-CSARL
Technical Information Bulletin
Failure Of Auxiliary Pump 9J7900/9J7901 On Certain 320, 322, 325, Or 330 Hydraulic Excavators
Failure Of Auxiliary Pump 9J7900/9J7901 On Certain 320, 322, 325, Or 330 Hydraulic Excavators
Pistons In The Regulators For The Main Hydraulic Pump May Experience Short Wear Life Or May Break
Pistons In The Regulators For The Main Hydraulic Pump May Experience Short Wear Life Or May Break
Specifications
Main Pump
320, 320L, 320N AND 320S EXCAVATOR HYDRAULIC SYSTEM
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
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}
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}
Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Service Magazine
Procedure To Purge Air From Hydraulic Implement Pumps{0374}
1993/09/27
Bolt Torque Specifications For Rebuilt Hydraulic Pumps {5070}
1995/03/06
New Adjustment Procedure Now Used During Rebuild Of Main Hydraulic Pumps{5070}
1995/08/28
New Control Piston Is Now Used In The Implement Hydraulic Pump{5070}
1995/11/27
New Gauge Block Set Available For Rebuilding Of Hydraulic Pumps and Motors{0733,0738,0763,4351,5070,5058}
1997/07/28
Serviceable Parts For Hydraulic Pilot System Pump {5073,5085}
1998/02/09
Serviceable Parts For Hydraulic Pilot System Pump{5073,5085}
1998/05/04
New Gear Pumps Have Improved Pressure Plates And Seals {5073}
1999/06/14
The Specifications Are Identified For Auxiliary Hydraulic Pumps {3108, 5073}
2002/02/04
The Pilot Output Line Must be Changed When New Implement Hydraulic Pumps are Installed {5057, 5070}
The Pilot Output Line Must be Changed When New Implement Hydraulic Pumps are Installed {5057, 5070}
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25
New Hydraulic Pump Pressure Plates are Now Available for Certain Excavators and Wheeled Excavators {5073}
New Hydraulic Pump Pressure Plates are Now Available for Certain Excavators and Wheeled Excavators {5073}

Caterpillar Parts SIS Catalog 320 L :

DRIVE GP-AUXILIARY PUMP
087-4771 DRIVE GP-AUXILIARY PUMP
SCREEN GP
110-3742 SCREEN GP
SCREEN GP
7Y-4747 SCREEN GP
TANK & FILTER GP
087-5152 TANK & FILTER GP
TANK GP-HYDRAULIC
112-4013 TANK GP-HYDRAULIC
TANK & FILTER GP
112-4462 TANK & FILTER GP
TANK & MTG GP-HYDRAULIC
087-5151 TANK & MTG GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
087-5151 TANK & MTG GP-HYDRAULIC
PUMP & MOUNTING GP
7Y-1552 PUMP & MOUNTING GP
COUPLING GP-PUMP
7Y-1584 COUPLING GP-PUMP
PUMP GP-PISTON
087-4828 PUMP GP-PISTON
PUMP GP
114-0602 PUMP GP
CONTROL GP-PUMP
4I-7866 CONTROL GP-PUMP
CONTROL GP-PUMP
4I-7867 CONTROL GP-PUMP
HEAD GP-PUMP CONTROL
122-5105 HEAD GP-PUMP CONTROL
HEAD GP-PUMP CONTROL
122-5106 HEAD GP-PUMP CONTROL

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