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397-3825 MOTOR GP-SWING PART OF 392-6170 POWER TRAIN AR AN ATTACHMENT 306E MINI HYD EXCAVATOR


HYDRAULIC SYSTEM
MOTOR GP
PUMP GP
SWIVEL GP
TANK GP
VALVE GP-CONTROL

MINI HYD EXCAVATOR 306E MINI HYD EXCAVATOR FHL
 306E Mini Hydraulic Excavator FHL00001-UP (MACHINE) POWERED BY C2.6 Engine SEBP6411 306E FHL   (2012)

HYDRAULIC SYSTEM

MOTOR GP
MOTOR GP-SWING
397-3825 MOTOR GP-SWING
 

#SEBP64110160
 

397-3825: MOTOR GP-SWING

397-3825 MOTOR GP-SWING
PART OF 392-6170 POWER TRAIN AR
AN ATTACHMENT
i04962011 SEBP6411
3973825 MOTOR GP-SWING Parts scheme
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Parts for your 306E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 434-8903 [1] KIT-MOTOR  
2. 386-6637 [1] KIT-CRANKSHAFT  
    (INCLUDES PARTS MARKED "N" IN GRAPHIC)
3. 386-6638 [1] KIT-PARKING BRAKE  
4. 386-6639 [1] KIT-FINAL DRIVE BEARING  
5. 386-6640 [2] KIT-CHECK VALVE  
6. 386-6641 [2] KIT-VALVE  
7. 386-6642 [1] KIT-GEAR  
8. 386-6643 [1] KIT-GEAR  
9. 386-6644 [1] KIT-SWING MOTOR PINION  
    (INCLUDES PARTS MARKED "J" IN GRAPHIC)
10. 8T-3957 M [7] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
11. 9S-8004 [3] PLUG (9/16-18-THD)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  386-6645 J [1] KIT-SEAL  
    (ALSO INCLUDES PARTS MARKED "J" IN THE GRAPHIC)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP64110161
 

392-6062: PUMP & MOUNTING GP

392-6062 PUMP & MOUNTING GP
PART OF 388-2983 HYDRAULIC AR
AN ATTACHMENT
i04997651 SEBP6411
3926062 PUMP & MOUNTING GP Parts scheme
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Parts for your 306E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 316-0377 [12] BOLT (M10X1.25X70-MM)  
2. 383-4102 [1] SPACER  
3. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
4. 391-7274 Y [1] COUPLING GP-PUMP (PISTON)  
5. Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
6. 8T-4121 [12] WASHER-HARD (11X21X2.5-MM THK)  
7. 8T-4183 M [4] BOLT (M12X1.75X40-MM)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64110162
 

397-3941: PUMP & MTG GP-MAIN HYDRAULIC

397-3941 PUMP & MTG GP-MAIN HYDRAULIC
PART OF 392-6062 PUMP & MOUNTING GP
AN ATTACHMENT
i04997653 SEBP6411
3973941 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme
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Parts for your 306E 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  
17. 386-6611 [1] BEARING-CRADLE  
18. 398-7457 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)(FLOW COMPENSATOR)  
19. 379-5187 [1] SPRING  
20. 333-7840 [1] STOP  
21. 398-7458 [1] VALVE GP-PUMP CONTROL (TORQUE LIMITING SPOOL)(PISTON)  
22. 378-2842 [1] ROTATING GP-PUMP  
23. 378-2843 [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
 

#SEBP64110163
 

268-3054: SWIVEL GP

268-3054 SWIVEL GP
PART OF 333-5641 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i04557748 SEBP6411
2683054 SWIVEL GP Parts scheme 2683054 SWIVEL GP Parts scheme
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Parts for your 306E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 269-0337 [7] SEAL  
2. 251-8485 [1] COVER  
3. 251-8486 [1] HOUSING  
4. 251-8487 [1] ROTOR  
5. 251-8488 [1] SEAL  
6. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
7. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
8. 8T-4908 M [2] BOLT (M8X1.25X25-MM)  
9. 095-1714 [1] SEAL-O-RING  
10. 251-8489 [1] RETAINER  
11. 095-1623 [1] SEAL-O-RING  
12. 095-1710 [1] SEAL-O-RING  
13. 251-8490 [1] PIN  
  M   METRIC PART
 

#SEBP64110164
 

388-2804: TANK & FILTER GP-HYDRAULIC

388-2804 TANK & FILTER GP-HYDRAULIC
PART OF 388-2972 TANK & MTG GP-HYDRAULIC
AN ATTACHMENT
i04977086 SEBP6411
3882804 TANK & FILTER GP-HYDRAULIC Parts scheme
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Parts for your 306E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-4278 [1] CLAMP-HOSE  
2. 4I-3745 [1] CAP-PRESSURE (HYDRAULIC TANK)  
3. 9J-7031 [1] PLUG-DRAIN (HYDRAULIC TANK OIL)  
4. 262-5689 [1] STRAINER AS (HYDRAULIC TANK)  
  135-7940 [1] SEAL-O-RING  
5. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
6. 388-2805 [1] TANK AS-HYDRAULIC  
  1U-2827 [1] GUIDE-VALVE  
  8J-8783 [1] VALVE-DRAIN  
7. 7Y-1976 E HOSE-WATER (110-CM)  
8. 095-1725 [1] SEAL-O-RING  
9. 5M-2057 [1] SEAL-O-RING  
10. 8T-4121 [6] WASHER-HARD (11X21X2.5-MM THK)  
11. 8T-4137 M [6] BOLT (M10X1.5X20-MM)  
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64110165
 

388-2972: TANK & MTG GP-HYDRAULIC

388-2972 TANK & MTG GP-HYDRAULIC
PART OF 388-2983 HYDRAULIC AR
AN ATTACHMENT
i04977095 SEBP6411
3882972 TANK & MTG GP-HYDRAULIC Parts scheme
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Parts for your 306E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 177-5987 [4] SPACER (17X35X56.5-MM THK)  
2. 388-2804 Y [1] TANK & FILTER GP-HYDRAULIC  
3. 8T-4175 M [4] BOLT (M16X2X90-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64110166
 

388-2872: VALVE & MTG GP-MAIN CONTROL

388-2872 VALVE & MTG GP-MAIN CONTROL
PART OF 388-2983 HYDRAULIC AR
AN ATTACHMENT
i04997650 SEBP6411
3882872 VALVE & MTG GP-MAIN CONTROL Parts scheme
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Parts for your 306E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 373-7047 Y [1] VALVE GP-MAIN CONTROL  
2. 392-6158 [1] BRACKET AS  
  7T-1099 [2] LINK  
3. 8T-4183 M [7] BOLT (M12X1.75X40-MM)  
4. 8T-4223 [7] WASHER-HARD (13.5X25.5X3-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64110167
 

421-5454: VALVE GP-CONTROL

421-5454 VALVE GP-CONTROL -BOOM
PART OF 373-7047 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i05460270 SEBP6411
4215454 VALVE GP-CONTROL Parts scheme
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Parts for your 306E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 520-5072 [1] KIT-COVER (BOOM)  
    (INCLUDES SPOOL CAP, BOLTS & O-RING SEAL)
2. 520-5073 [1] KIT-COVER (BOOM)  
    (INCLUDES END CAP, CAP-SCREWS & O-RING SEALS)
3. 421-5452 [1] VALVE GP-CHECK (LOAD CHECK)  
4. 421-5457 [1] VALVE GP-CHECK (VENTED PILOT)  
 

#SEBP64110168
 

421-5458: VALVE GP-CONTROL

421-5458 VALVE GP-CONTROL -TRAVEL RIGHT
S/N FHL1-1087
PART OF 373-7047 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i05460251 SEBP6411
4215458 VALVE GP-CONTROL Parts scheme
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Parts for your 306E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 421-5450 [1] KIT-CONTROL VALVE (TRAVEL)  
    (INCLUDES SPOOL CAP, SOCKET BOLTS & O-RING)
2. 421-5451 [1] KIT-COVER (TRAVEL)  
    (INCLUDES END CAP, SCREW CAPS, O-RINGS)
3. 421-5459 [1] VALVE GP-CHECK (LOAD CHECK)  
 

#SEBP64110169
 

421-5461: VALVE GP-CONTROL

421-5461 VALVE GP-CONTROL -TRAVEL LEFT
S/N FHL1-1087
PART OF 373-7047 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i05460252 SEBP6411
4215461 VALVE GP-CONTROL Parts scheme
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Parts for your 306E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 421-5450 [1] KIT-CONTROL VALVE (TRAVEL)  
    (INCLUDES SPOOL CAP, BOLTS & O-RING SEAL)
2. 421-5451 [1] KIT-COVER (TRAVEL)  
    (INCLUDES END CAP, SCREWS & O-RING SEALS)
3. 421-5459 [1] VALVE GP-CHECK (LOAD CHECK)  
 

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
Fasteners
306E Mini Hydraulic Excavator Machine System Specifications
Systems Operation
Travel Counterbalance Valve
306E Mini Hydraulic Excavator Hydraulic System
Swing Hydraulic System
306E Mini Hydraulic Excavator Hydraulic System
Swing Motor
306E Mini Hydraulic Excavator Hydraulic System
Travel Motor
306E Mini Hydraulic Excavator Hydraulic System
Displacement Change Valve
306E 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
Travel on Level Ground - Test
306E Mini Hydraulic Excavator Hydraulic System
Travel on Level Ground - Test - Optional Test
306E Mini Hydraulic Excavator Hydraulic System
Swing Speed and Overswing on Level Ground - Check
306E Mini Hydraulic Excavator Hydraulic System
Swing Motor - Test - Measurement of Case Drain Oil
306E Mini Hydraulic Excavator Hydraulic System
Travel Motor - Test - Measurement of Case Drain Oil
306E Mini Hydraulic Excavator Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
306E Mini Hydraulic Excavator Hydraulic System
Machine Drift on a Slope - Check
306E 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}
Disassembly and Assembly
Final Drive and Travel Motor - Remove
306E Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Install
306E Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Disassemble
306E Mini Hydraulic Excavator Machine Systems
Final Drive and Travel Motor - Assemble
306E Mini Hydraulic Excavator Machine Systems
Swing Motor - Remove
306E Mini Hydraulic Excavator Machine Systems
Swing Motor - Install
306E Mini Hydraulic Excavator Machine Systems
Swing Motor - Disassemble
306E Mini Hydraulic Excavator Machine Systems
Swing Motor - Assemble
306E Mini Hydraulic Excavator Machine Systems

Caterpillar Parts SIS Catalog 306E :

LINES GP-TRAVEL MOTOR
333-5641 LINES GP-TRAVEL MOTOR
LINES GP-SWING MOTOR
392-6098 LINES GP-SWING MOTOR
LINES GP-STICK
333-5624 LINES GP-STICK
LINES GP-RETURN
392-6067 LINES GP-RETURN
LINES GP-PUMP
392-6064 LINES GP-PUMP
LINES GP-PILOT
431-4544 LINES GP-PILOT
LINES GP-PILOT
392-6148 LINES GP-PILOT
LINES GP-PILOT
392-6138 LINES GP-PILOT
PUMP & MOUNTING GP
392-6062 PUMP & MOUNTING GP
PUMP & MTG GP-MAIN HYDRAULIC
397-3941 PUMP & MTG GP-MAIN HYDRAULIC
SWIVEL GP
268-3054 SWIVEL GP
TANK & FILTER GP-HYDRAULIC
388-2804 TANK & FILTER GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
388-2972 TANK & MTG GP-HYDRAULIC
VALVE & MTG GP-MAIN CONTROL
388-2872 VALVE & MTG GP-MAIN CONTROL
VALVE GP-CONTROL
421-5454 VALVE GP-CONTROL
VALVE GP-CONTROL
421-5458 VALVE GP-CONTROL
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