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421-5328 MOTOR GP-PISTON PART OF 417-1103 DRIVE GP-FINAL ALSO AN ATTACHMENT 308E2 CR MINI HYD EXCAVATOR


HYDRAULIC SYSTEM
MOTOR GP
CYLINDER GP
MOUNTING GP
LINES GP
MOUNTING GP
PUMP GP
FILTER GP

MINI HYD EXCAVATOR 308E2 CR MINI HYD EXCAVATOR FJX
 308E2 CR Mini Hydraulic Excavator FJX00001-UP (MACHINE) POWERED BY C3.3B Engine SEBP6877 308E2 CR FJX   (2013)

HYDRAULIC SYSTEM

MOTOR GP
MOTOR & MTG GP-SWING
397-6547 MOTOR & MTG GP-SWING
MOTOR & MTG GP-SWING
397-6547 MOTOR & MTG GP-SWING
MOTOR GP-PISTON
421-5328 MOTOR GP-PISTON
MOTOR GP-PISTON
431-0303 MOTOR GP-PISTON
MOTOR GP-PISTON
517-7289 MOTOR GP-PISTON
VALVE GP-RELIEF
415-4361 VALVE GP-RELIEF
 

#SEBP68770350
 

421-5328: MOTOR GP-PISTON

421-5328 MOTOR GP-PISTON
PART OF 417-1103 DRIVE GP-FINAL
ALSO AN ATTACHMENT
i06156465 SEBP6877
4215328 MOTOR GP-PISTON Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 528-6497 [1] SWASHPLATE  
2. 438-8346 [3] PLATE-DISC  
3. 438-8347 [4] PLATE  
4. 438-8348 [1] PISTON-BRAKE  
5. 438-8349 [1] SPACER  
6. 438-8350 [8] SPRING  
7. 438-8351 [2] BALL  
8. 452-3599 [1] PIN  
9. 8T-3957 M [8] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
10. 435-0787 [1] KIT-CRANKSHAFT BEARING  
    (INCLUDES SHAFT & BALL BEARING)
    (INCLUDES CYLINDER BARREL, VALVE PLATE, PISTONS, SHOES, SHOE HOLDER, BARREL HOLDER, PINS, SPRING,RETAINERS & SNAP RING))
11. 470-9608 [1] KIT-PUMP  
12. 430-4677 [1] KIT-FINAL DRIVE BEARING  
  095-1575 [2] SEAL-O-RING  
  095-1582 [2] SEAL-O-RING  
  095-1593 [2] SEAL-O-RING  
    (ALSO INCLUDES BALL BEARING, SPRING PIN, BODY, SPOOLS, CHECK VALVES, SPRING GUIDE, SPRINGS, PLUGS, CHOKES, RING,
   
    AVAILABLE REPAIR KIT(S):
  435-0788 [1] KIT-FINAL DRIVE BEARING  
    (INCLUDES PARTS MARKED J IN THE GRAPHICS)
  435-0790 Y [1] KIT-SEAL  
    (INCLUDES PARTS MARKED H IN THE GRAPHICS)
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68770351
 

431-0303: MOTOR GP-PISTON

431-0303 MOTOR GP-PISTON
PART OF 396-6212 DRIVE GP-SWING
ALSO AN ATTACHMENT
i05430295 SEBP6877
4310303 MOTOR GP-PISTON Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 430-4672 [1] BALL BEARING  
2. 430-4673 L [1] BALL BEARING  
3. 430-4674 H [1] RING-SNAP  
4. 280-2405 [3] PIN  
5. 095-1680 J [1] SEAL-O-RING  
6. 095-1678 J [1] SEAL-O-RING  
7. 095-1585 NS [2] SEAL-O-RING  
8. 430-4675 [4] BOLT  
   
    AVAILABLE REPAIR KIT(S):
  428-6806 LN [1] KIT-PUMP  
    (ALSO INCLUDES BODY, PIN SPRING, CHECK VALVES, PLUGS & SPRINGS)
  428-6807 H [1] KIT-BARREL  
    (ALSO INCLUDES RETAINERS, PINS, PAREALLEL PIN, CYLINDER BARREL, VALVE PLATE, PISTON ASSEMBLIES, SHOE HOLDER,
    BARREL HOLDER & SPRING)
  428-6808 [1] KIT-SWASHPLATE  
    (ALSO INCLUDES SWASHPLATE & PARALLEL PIN)
  428-6809 JS [1] KIT-SEAL (HYDRAULIC MOTOR)  
  H   KIT MARKED H SERVICES PART(S) MARKED H
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  N   KIT MARKED N SERVICES PART(S) MARKED N
  S   KIT MARKED S SERVICES PART(S) MARKED S
 

#SEBP68770352
 

517-7289: MOTOR GP-PISTON

517-7289 MOTOR GP-PISTON
PART OF 517-7288 DRIVE GP-SWING
ALSO AN ATTACHMENT
i07097162 SEBP6877
5177289 MOTOR GP-PISTON Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5E-5531 [1] BALL BEARING  
2. 9B-3472 J [1] BALL BEARING  
3. 8T-9597 H [1] RING-RETAINING  
4. 280-2405 [3] PIN  
5. 095-1680 L [1] SEAL-O-RING  
6. 095-1678 L [1] SEAL-O-RING  
7. 095-1585 JL [2] SEAL-O-RING  
8. 236-9839 M [4] BOLT-SOCKET HEAD (M6X1X15-MM)  
9. 431-0305 Y [1] BRAKE GP-SWING (TIMER)  
10. 517-7290 Y [2] VALVE GP-RELIEF  
   
    AVAILABLE REPAIR KIT(S):
  428-6806 J [1] KIT-PUMP  
  428-6807 H [1] KIT-BARREL  
  428-6808 [1] KIT-SWASHPLATE  
  428-6809 L [1] KIT-SEAL  
  H   KIT MARKED H SERVICES PART(S) MARKED H
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68770353
 

305-6731: MOUNTING GP-CYLINDER

305-6731 MOUNTING GP-CYLINDER
PART OF 305-6744, 305-6745 THUMB AR
AN ATTACHMENT
i02901574 SEBP6877
3056731 MOUNTING GP-CYLINDER Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9R-1510 [3] WASHER (51X82X4-MM THK)  
2. 305-6721 [1] LINK AS (RH)  
3. 305-6722 [1] LINK AS (LH)  
4. 305-6723 [1] LINK AS  
4A. 7K-9592 [4] BUSHING  
5. 305-6724 [1] PIN AS  
6. 305-6725 [1] PIN  
7. 305-6726 [1] PIN  
8. 305-6730 [1] PIN  
9. 305-6733 [1] LINK AS  
10. 305-6779 [2] RETAINER  
11. 425-6641 [1] PIN  
12. 305-6795 [1] PIN  
13. 305-6803 [1] LINK AS  
14. 3B-8489 [9] FITTING-GREASE (1/8-27 PTF)(HYDRAULIC)  
15. 6V-7687 M [8] LOCKNUT (M12X1.75-THD)  
16. 7X-2549 M [2] BOLT (M12X1.75X100-MM)  
17. 8T-5041 M [1] BOLT (M12X1.75X120-MM)  
18. 8T-6868 M [5] BOLT (M12X1.75X80-MM)  
  M   METRIC PART
 

#SEBP68770354
 

305-6778: MOUNTING GP-CYLINDER

305-6778 MOUNTING GP-CYLINDER
PART OF 305-6740, 305-6741, 305-6742, 305-6743 THUMB AR
AN ATTACHMENT
i02901652 SEBP6877
3056778 MOUNTING GP-CYLINDER Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9R-1510 B [3] WASHER (51X82X4-MM THK)  
2. 425-6641 [1] PIN  
3. 305-6795 [1] PIN  
4. 305-6796 [1] PIN  
5. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
6. 6V-7687 M [3] LOCKNUT (M12X1.75-THD)  
7. 8T-5041 M [1] BOLT (M12X1.75X120-MM)  
8. 8T-6868 M [1] BOLT (M12X1.75X80-MM)  
9. 8T-4176 M [1] BOLT (M12X1.75X90-MM)  
10. 176-8467 B [3] SHIM (1-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP68770355
 

399-8372: MOUNTING GP-MAIN CONTROL VALVE

399-8372 MOUNTING GP-MAIN CONTROL VALVE
PART OF 397-7020 HYDRAULIC AR
ALSO AN ATTACHMENT
i05429231 SEBP6877
3998372 MOUNTING GP-MAIN CONTROL VALVE Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 451-8288 [1] SUPPORT AS  
2. 8T-4223 [5] WASHER-HARD (13.5X25.5X3-MM THK)  
3. 8T-4910 M [3] BOLT (M12X1.75X60-MM)  
4. 8T-4956 M [2] BOLT (M12X1.75X35-MM)  
5. 9X-8257 [2] WASHER (17.5X30X3.5-MM THK)  
6. 7X-2553 M [2] BOLT (M16X2X40-MM)  
  M   METRIC PART
 

#SEBP68770356
 

382-1603: PLUG GP

382-1603 PLUG GP
PART OF 382-1602 HARDWARE GP-MOUNTING
AN ATTACHMENT
i05420994 SEBP6877
3821603 PLUG GP Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 258-2111 [1] CAP  
 

#SEBP68770357
 

399-8379: PUMP & MTG GP-HYDRAULIC

399-8379 PUMP & MTG GP-HYDRAULIC
PART OF 397-7020 HYDRAULIC AR
ALSO AN ATTACHMENT
i05429233 SEBP6877
3998379 PUMP & MTG GP-HYDRAULIC Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 303-8825 M [12] BOLT (M10X1.25X35-MM)  
2. 345-3548 [1] COUPLING  
3. 397-6960 Y [1] PUMP GP-MAIN HYDRAULIC  
4. 428-6811 [1] COVER-FLYWHEEL HOUSING  
5. 128-7747 M [8] BOLT (M10X1.25X40-MM)  
6. 8T-4121 [20] WASHER-HARD (11X21X2.5-MM THK)  
7. 8T-4183 M [4] BOLT (M12X1.75X40-MM)  
8. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68770358
 

397-6960: PUMP GP-MAIN HYDRAULIC

397-6960 PUMP GP-MAIN HYDRAULIC
PART OF 399-8379 PUMP & MTG GP-HYDRAULIC
ALSO AN ATTACHMENT
i05429249 SEBP6877
3976960 PUMP GP-MAIN HYDRAULIC Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6R-7943 M [2] SCREW (M5X0.8X15-MM)  
2. 180-6213 [1] RING-RETAINING  
3. 258-0139 [1] SEAL-SHAFT  
4. 2M-9780 [3] SEAL-O-RING  
5. 386-6610 [1] SPRING  
6. 146-3493 [1] PIN  
7. 8T-2503 M [4] BOLT-SOCKET HEAD (M14X2X35-MM)  
8. 168-3504 [2] SEAL  
9. 258-0135 [2] PLUG  
10. 190-6507 [1] RING-STOP  
11. 9W-2110 [1] CUP-TAPERED ROLLER  
12. 8J-0412 [1] CUP-BEARING  
13. 192-7470 [1] SEAL-O-RING  
14. 197-2850 [1] SHAFT  
15. 168-2203 [1] SHIM-SHAFT (3-MM THK)  
16. 386-6612 [1] BEARING-CRADLE (RIGHT)  
17. 386-6611 [1] BEARING-CRADLE (LEFT)  
18. 398-7457 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)  
19. 379-5187 [1] SPRING  
20. 333-7840 [1] STOP  
21. 423-0079 [1] VALVE GP-PUMP CONTROL (TORQUE LIMITING SPOOL)  
22. 421-1060 [1] ROTATING GP-PUMP  
23. 279-2491 [1] PLATE-PORT  
24. 9S-8006 [3] PLUG (7/8-14-THD)  
25. 3P-1210 [1] CONE-BEARING  
26. 9W-2109 [1] CONE-BEARING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68770359
 

379-0436: SCREEN GP-HYDRAULIC

379-0436 SCREEN GP-HYDRAULIC
PART OF 396-1841 TANK & FILTER GP-HYDRAULIC
ALSO AN ATTACHMENT
i05429256 SEBP6877
3790436 SCREEN GP-HYDRAULIC Parts scheme
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 099-6875 [1] SCREEN AS (HYDRAULIC)  
2. 259-0918 [1] GUIDE  
3. 379-0437 [1] ROD  
4. 095-6639 [1] SPRING  
5. 099-4780 [1] SEAL-O-RING  
6. 8T-4133 M [2] NUT (M10X1.5-THD)  
  M   METRIC PART
 

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}
Specifications
Travel Motor Guard
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Travel Motor and Mounting
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Systems Operation
Swing Hydraulic System
308E2 CR Mini Hydraulic Excavator Hydraulic System
Swing Motor
308E2 CR Mini Hydraulic Excavator Hydraulic System
Travel Motor
308E2 CR Mini Hydraulic Excavator Hydraulic System
Displacement Change Valve
308E2 CR Mini Hydraulic Excavator Hydraulic System
Travel Counterbalance Valve
308E2 CR Mini Hydraulic Excavator Hydraulic System
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}
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}
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}
Testing and Adjusting
Machine Drift on a Slope - Check
308E2 CR Mini Hydraulic Excavator Hydraulic System
Travel on Level Ground - Test
308E2 CR Mini Hydraulic Excavator Hydraulic System
Travel on Level Ground - Test - Optional Test
308E2 CR Mini Hydraulic Excavator Hydraulic System
Swing Speed and Overswing on Level Ground - Check
308E2 CR Mini Hydraulic Excavator Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
308E2 CR Mini Hydraulic Excavator Hydraulic System
Swing Motor - Test - Measurement of Case Drain Oil
308E2 CR Mini Hydraulic Excavator Hydraulic System
Travel Motor - Test - Measurement of Case Drain Oil
308E2 CR Mini Hydraulic Excavator Hydraulic System
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}
Troubleshooting
Cooling Fan Is Always ON
C3.3B and C3.8 Engines for Caterpillar Built Machines
Disassembly and Assembly
Swing Motor - Remove and Install
308E2 CR Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Remove
308E2 CR Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Install
308E2 CR Mini Hydraulic Excavator Machine Systems
Swing Motor - Disassemble
308E2 CR Mini Hydraulic Excavator Machine Systems
Swing Motor - Assemble
308E2 CR Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Disassemble
308E2 CR Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Assemble
308E2 CR Mini Hydraulic Excavator Machine Systems
Service Magazine
A New Pinion Kit for the Swing Motor is Available for Certain 308E2 CR/SR and 308E CR/SR Mini Hydraulic Excavators {5459, 79PA}
A New Pinion Kit for the Swing Motor is Available for Certain 308E2 CR/SR and 308E CR/SR Mini Hydraulic Excavators {5459, 79PA}
Higher Torque Specification is Now Used on the Swing Gear and Bearing Bolts for Certain 308E2 CR Mini Hydraulic Excavators {5058}
Higher Torque Specification is Now Used on the Swing Gear and Bearing Bolts for Certain 308E2 CR Mini Hydraulic Excavators {5058}
A New Dowel Pin Is Available For Certain 308E2 Mini Hydraulic Excavators {5058}
A New Dowel Pin Is Available For Certain 308E2 Mini Hydraulic Excavators {5058}

Caterpillar Parts SIS Catalog 308E2 CR :

MOTOR & MTG GP-SWING
397-6547 MOTOR & MTG GP-SWING
MOTOR & MTG GP-SWING
397-6547 MOTOR & MTG GP-SWING
MANIFOLD & SOLENOID GP-CONTROL
479-0585 MANIFOLD & SOLENOID GP-CONTROL
MANIFOLD & SOLENOID GP-CONTROL
438-8462 MANIFOLD & SOLENOID GP-CONTROL
LINES GP-TRAVEL MOTOR
399-8374 LINES GP-TRAVEL MOTOR
LINES GP-TRAVEL MOTOR
399-8374 LINES GP-TRAVEL MOTOR
LINES GP-TRAVEL MOTOR
393-8551 LINES GP-TRAVEL MOTOR
LINES GP-SWING MOTOR
415-4369 LINES GP-SWING MOTOR
MOTOR GP-PISTON
431-0303 MOTOR GP-PISTON
MOTOR GP-PISTON
517-7289 MOTOR GP-PISTON
MOUNTING GP-CYLINDER
305-6731 MOUNTING GP-CYLINDER
MOUNTING GP-CYLINDER
305-6778 MOUNTING GP-CYLINDER
MOUNTING GP-MAIN CONTROL VALVE
399-8372 MOUNTING GP-MAIN CONTROL VALVE
PLUG GP
382-1603 PLUG GP
PUMP & MTG GP-HYDRAULIC
399-8379 PUMP & MTG GP-HYDRAULIC
PUMP GP-MAIN HYDRAULIC
397-6960 PUMP GP-MAIN HYDRAULIC
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