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397-6945 MOTOR & MTG GP-TRAVEL PART OF 397-7059 POWER TRAIN AR 305.5E2 CR MINI HYD EXCAVATOR


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

MINI HYD EXCAVATOR 305.5E2 CR MINI HYD EXCAVATOR NC5
 305.5E2 CR Mini Hydraulic Excavator NC500001-UP (MACHINE) POWERED BY C2.4 Engine SEBP7617 305.5E2 CR NC5   (2015)

HYDRAULIC SYSTEM

MOTOR GP
MOTOR & MTG GP-SWING
397-6942 MOTOR & MTG GP-SWING
MOTOR & MTG GP-TRAVEL
397-6945 MOTOR & MTG GP-TRAVEL
MOTOR GP-PISTON
452-3610 MOTOR GP-PISTON
MOTOR GP-PISTON
452-3614 MOTOR GP-PISTON
 

#SEBP76170180
 

397-6945: MOTOR & MTG GP-TRAVEL

397-6945 MOTOR & MTG GP-TRAVEL
PART OF 397-7059 POWER TRAIN AR
i06140285 SEBP7617
3976945 MOTOR & MTG GP-TRAVEL Parts scheme
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Parts for your 305.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 085-9768 M [24] BOLT (M14X2X40-MM)  
2. 417-1115 Y [2] DRIVE GP-FINAL  
3. 7X-0510 [24] WASHER-HARD (15.5X29X3-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76170181
 

452-3610: MOTOR GP-PISTON

452-3610 MOTOR GP-PISTON
PART OF 417-1115 DRIVE GP-FINAL
i06158468 SEBP7617
4523610 MOTOR GP-PISTON Parts scheme
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Parts for your 305.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 452-3598 J [1] SEAL  
2. 8T-1159 JM [7] BOLT-SOCKET HEAD (M10X1.5X25-MM)  
3. 452-3601 J [1] SEAL-O-RING  
4. 095-1574 J [2] SEAL-O-RING  
5. 095-1719 J [1] SEAL-O-RING  
6. 095-1717 J [1] SEAL-O-RING  
7. 193-8469 J [1] RING-BACKUP  
8. 193-8468 J [1] RING-BACKUP  
9. 095-1575 J [2] SEAL-O-RING  
10. 095-1582 J [2] SEAL-O-RING  
11. 095-1593 J [2] SEAL-O-RING  
   
12. 512-1015 A [2] SPRING  
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  452-3609 J [1] KIT-SEAL (PISTON MOTOR)  
  A   NOT PART OF THIS GROUP
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP76170182
 

452-3614: MOTOR GP-PISTON

452-3614 MOTOR GP-PISTON
PART OF 456-7221 DRIVE GP-SWING
i06152454 SEBP7617
4523614 MOTOR GP-PISTON Parts scheme
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Parts for your 305.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1717 H [1] SEAL-O-RING  
2. 095-1719 H [1] SEAL-O-RING  
3. 431-0305 Y [1] BRAKE GP-SWING  
4. 236-9839 M [4] BOLT-SOCKET HEAD (M6X1X15-MM)  
5. 452-3625 Y [1] VALVE GP-RELIEF  
6. 095-1579 HL [2] SEAL-O-RING  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  452-3627 L [1] KIT-SEAL  
  314-7714 H [1] KIT-SEAL  
    (INCLUDES PARTS MARKED "J" IN THE GRAPHIC)
  H   KIT MARKED H SERVICES PART(S) MARKED H
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76170183
 

467-3061: PUMP & MTG GP-MAIN HYDRAULIC

467-3061 PUMP & MTG GP-MAIN HYDRAULIC
PART OF 465-3509 HYDRAULIC AR
i06139554 SEBP7617
4673061 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme
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Parts for your 305.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 388-6412 M [8] BOLT (M10X1.25X50-MM)  
2. 390-8885 [1] COUPLING-PUMP  
3. 459-3422 [1] HOUSING AS-FLYWHEEL  
  387-3788 [2] PIN  
  459-3424 [1] HOUSING-COVER  
4. 467-3053 Y [1] PUMP GP-MAIN HYDRAULIC  
5. 6V-8200 M [3] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
6. 8T-4121 [7] WASHER-HARD (11X21X2.5-MM THK)  
7. 8T-4183 M [4] BOLT (M12X1.75X40-MM)  
8. 8T-7971 [4] WASHER-HARD (13.5X25.5X5-MM THK)  
9. 9X-2027 [1] WASHER (11X18X2-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76170184
 

467-3053: PUMP GP-MAIN HYDRAULIC

467-3053 PUMP GP-MAIN HYDRAULIC
PART OF 467-3061 PUMP & MTG GP-MAIN HYDRAULIC
i06139550 SEBP7617
4673053 PUMP GP-MAIN HYDRAULIC Parts scheme
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Parts for your 305.5E2 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. 9X-8979 [1] DOWEL  
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. 168-2203 [1] SHIM-SHAFT (3-MM THK)  
15. 386-6612 [1] BEARING-CRADLE  
16. 386-6611 [1] BEARING-CRADLE  
17. 398-7457 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)  
18. 379-5187 [1] SPRING  
19. 333-7840 [1] STOP  
20. 442-5643 [1] VALVE GP-PUMP CONTROL (TORQUE LIMITING SPOOL)  
21. 376-0900 Y [1] ROTATING GP-PUMP  
22. 279-2491 [1] PLATE-PORT  
23. 9S-8006 [3] PLUG (7/8-14-THD)  
24. 3P-1210 [1] CONE-BEARING  
25. 9W-2109 [1] CONE-BEARING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76170185
 

376-0900: ROTATING GP-PUMP

376-0900 ROTATING GP-PUMP
PART OF 467-3053 PUMP GP-MAIN HYDRAULIC
i06139547 SEBP7617
3760900 ROTATING GP-PUMP Parts scheme
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Parts for your 305.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-3384 [9] PISTON AS-PUMP  
2. 168-3385 [1] PLATE-RETRACTION  
3. 168-3378 [1] BEARING-SPHERICAL  
4. 168-3381 [1] SPRING  
5. 168-3379 [3] PIN  
6. 6V-7723 [1] RING-RETAINING  
7. 168-3382 [1] WASHER (30X42X2.7-MM THK)  
 

#SEBP76170186
 

480-7448: SEAL GP

480-7448 SEAL GP
PART OF 479-7727 PLATFORM GP-OPERATOR
AN ATTACHMENT
i06143355 SEBP7617
4807448 SEAL GP Parts scheme
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Parts for your 305.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] PLATE  
2. 265-8646 [1] FOAM  
3. 297-9495 [1] FOAM  
4. 309-0369 [1] FOAM  
5. 478-6861 [1] FOAM  
6. 478-6862 [1] FOAM  
7. 478-6863 [1] FOAM  
8. 478-6864 [1] FOAM  
9. 480-7450 [1] FOAM  
 

#SEBP76170187
 

373-4963: SWIVEL GP

373-4963 SWIVEL GP
PART OF 432-1470 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i04560852 SEBP7617
3734963 SWIVEL GP Parts scheme
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Parts for your 305.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 269-0337 [6] SEAL  
2. 376-2017 [1] SEAL  
3. 251-8485 [1] COVER  
4. 251-8486 [1] HOUSING  
5. 251-8487 [1] ROTOR  
6. 251-8488 [1] SEAL  
7. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
8. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4908 M [2] BOLT (M8X1.25X25-MM)  
10. 095-1714 [1] SEAL-O-RING  
11. 251-8489 [1] RETAINER  
12. 095-1623 [1] SEAL-O-RING  
13. 095-1710 [1] SEAL-O-RING  
14. 252-5417 [3] PLUG  
15. 251-8490 [1] PIN  
16. 9S-8004 [3] PLUG (9/16-18-THD)  
17. 3J-1907 [3] SEAL-O-RING  
  M   METRIC PART
 

#SEBP76170188
 

367-1070: TANK & FILTER GP-HYDRAULIC

367-1070 TANK & FILTER GP-HYDRAULIC
PART OF 367-0937 TANK & MTG GP-HYDRAULIC
i04638098 SEBP7617
3671070 TANK & FILTER GP-HYDRAULIC Parts scheme
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Parts for your 305.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 [1] STRAP-CABLE  
2. 4I-3745 [1] CAP-PRESSURE (HYDRAULIC TANK)  
3. 120-8758 [1] VALVE AS-BYPASS (HYDRAULIC TANK)  
4. 246-5339 [1] SPRING  
5. 265-8631 [1] COVER AS  
6. 265-8633 [1] COVER  
7. 285-1951 [1] STRAINER-SUCTION (HYDRAULIC TANK)  
8. 304-7195 [1] FILTER ELEMENT AS-OIL (HYDRAULIC TANK)  
9. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
10. 367-1071 [1] TANK AS-HYDRAULIC  
11. 376-2025 [1] VALVE AS (HYDRAULIC TANK, FILTER)  
12. 095-1717 [1] SEAL-O-RING  
13. 095-1723 [1] SEAL-O-RING  
14. 148-8410 [1] PLUG AS  
  2M-9780 [1] SEAL-O-RING  
  9S-4190 [1] PLUG-O-RING (7/8-14-THD)  
15. 8T-4121 [10] WASHER-HARD (11X21X2.5-MM THK)  
16. 8T-4136 M [10] BOLT (M10X1.5X25-MM)  
17. 7Y-1976 E HOSE-WATER (108-CM)  
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76170189
 

367-0937: TANK & MTG GP-HYDRAULIC

367-0937 TANK & MTG GP-HYDRAULIC
PART OF 465-3509 HYDRAULIC AR
i04589393 SEBP7617
3670937 TANK & MTG GP-HYDRAULIC Parts scheme
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Parts for your 305.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. Y [1] TANK & FILTER GP-HYDRAULIC  
2. 7X-7729 [4] WASHER (11X25X3-MM THK)  
3. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

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 and Mounting
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Radiator and Hydraulic Oil Cooler
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Travel Motor
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Displacement Change Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Travel Counterbalance Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Swing Motor
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Swing Hydraulic System
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
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
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Travel on Level Ground - Test
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Swing Speed and Overswing on Level Ground - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Travel on Level Ground - Test - Optional Test
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Swing Speed and Swing Drift on a Slope - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Swing Motor - Test - Measurement of Case Drain Oil
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Travel Motor - Test - Measurement of Case Drain Oil
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine 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}

Caterpillar Parts SIS Catalog 305.5E2 CR :

MOTOR & MTG GP-SWING
397-6942 MOTOR & MTG GP-SWING
LINES GP-TRAVEL MOTOR
432-1470 LINES GP-TRAVEL MOTOR
LINES GP-SWING MOTOR
465-3587 LINES GP-SWING MOTOR
LINES GP-SWING CYLINDER
471-2123 LINES GP-SWING CYLINDER
LINES GP-STICK
353-2988 LINES GP-STICK
LINES GP-RETURN
377-8866 LINES GP-RETURN
LINES GP-PILOT
465-3594 LINES GP-PILOT
LINES GP-PILOT
465-3593 LINES GP-PILOT
MOTOR GP-PISTON
452-3610 MOTOR GP-PISTON
MOTOR GP-PISTON
452-3614 MOTOR GP-PISTON
PUMP & MTG GP-MAIN HYDRAULIC
467-3061 PUMP & MTG GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
467-3053 PUMP GP-MAIN HYDRAULIC
ROTATING GP-PUMP
376-0900 ROTATING GP-PUMP
SEAL GP
480-7448 SEAL GP
SWIVEL GP
373-4963 SWIVEL GP
TANK & FILTER GP-HYDRAULIC
367-1070 TANK & FILTER GP-HYDRAULIC
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