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399-9368 MOTOR & MTG GP-SWING PART OF 399-9367 POWER TRAIN AR ALSO AN ATTACHMENT 303E CR MINI HYD EXCAVATOR




HYDRAULIC SYSTEM

MOTOR GP
 

#SEBP76210200
 

399-9368: MOTOR & MTG GP-SWING

399-9368 MOTOR & MTG GP-SWING
PART OF 399-9367 POWER TRAIN AR
ALSO AN ATTACHMENT
i05314843 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 417-1054 Y [1] DRIVE GP-SWING  
2. 8T-4183 M [6] BOLT (M12X1.75X40-MM)  
3. 8T-4223 [6] WASHER-HARD (13.5X25.5X3-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76210201
 

438-4859: PLUG GP

438-4859 PLUG GP
PART OF 473-4914 CANOPY AR
AN ATTACHMENT
i05754468 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 438-4911 [2] PLUG  
 

#SEBP76210202
 

425-1997: PUMP & MTG GP-MAIN HYDRAULIC

425-1997 PUMP & MTG GP-MAIN HYDRAULIC
PART OF 473-6843 HYDRAULIC AR
ALSO AN ATTACHMENT
i05319385 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 205-6883 [8] BOLT (M10X1.25X55-MM)  
2. 520-0323 [2] PIN-DOWEL  
3. 415-7891 [1] COUPLING GP-FLEXIBLE  
4. 416-7576 Y [1] PUMP GP-MAIN HYDRAULIC (BASIC)  
5. 417-9098 [1] HOUSING-COVER  
6. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
7. 8T-4183 M [2] BOLT (M12X1.75X40-MM)  
8. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76210203
 

279-4699: PUMP GP-GEAR

279-4699 PUMP GP-GEAR -PILOT
PART OF 416-7576 PUMP GP-MAIN HYDRAULIC
ALSO AN ATTACHMENT
i03997877 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NO SERVICED PARTS)
 

#SEBP76210204
 

416-7576: PUMP GP-MAIN HYDRAULIC

416-7576 PUMP GP-MAIN HYDRAULIC
PART OF 425-1997 PUMP & MTG GP-MAIN HYDRAULIC
ALSO AN ATTACHMENT
i05314849 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-4441 [1] BEARING  
2. 191-3925 [1] BEARING  
3. 279-4684 L [1] SEAL  
4. 6V-7723 [1] RING-RETAINING  
5. 435-0782 [1] STOP  
6. 280-4443 [1] SHAFT  
7. 191-3918 [1] WASHER  
8. 191-3920 [1] WASHER  
9. 280-4444 L [1] GASKET  
10. 279-4687 [3] PIN  
11. 095-1517 [1] SEAL-O-RING  
12. 390-9455 [2] BUSHING  
13. 139-7355 [2] SCREW  
14. 280-4446 [1] PLATE  
15. 281-3000 [1] PIN  
16. 095-1575 JLNP [6] SEAL-O-RING  
17. 279-4691 [1] ORIFICE  
18. 435-0783 [1] SPRING  
19. 435-0784 [1] SPRING  
20. 280-4450 [2] SEAT  
21. 279-4697 P [1] VALVE AS-PUMP (HYDRAULIC)  
  095-1582 [1] SEAL-O-RING  
  095-1587 [1] SEAL-O-RING  
  099-7197 [1] PLUG  
22. 279-4698 [1] NUT  
23. 279-4699 Y [1] PUMP GP-GEAR (PILOT)  
24. 303-4492 [1] BOLT  
25. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
26. 6V-8200 M [4] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
27. 6V-5683 M [4] BOLT (M6X1X16-MM)  
28. 279-4693 [1] PIN  
29. 279-4705 J [1] SEAL-O-RING  
30. 279-4701 J [1] SEAL-O-RING  
31. 279-4703 J [1] SEAL-O-RING  
32. 280-4451 [1] PIN  
33. 279-4706 [3] PLUG  
34. 3J-1907 JN [3] SEAL-O-RING  
35. 435-0785 N [1] VALVE AS-PUMP (MAIN HYDRAULIC)  
  095-1584 [1] SEAL-O-RING  
  279-4704 [1] ORIFICE  
   
    AVAILABLE REPAIR KIT(S):
  279-4707 J [1] KIT-SEAL (MAIN HYDRAULIC PUMP)  
  280-4459 [1] KIT-BARREL  
  280-4457 L [1] KIT-SEAL (MAIN HYDRAULIC PUMP)  
  435-0786 [1] KIT-SWASHPLATE  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
  N   KIT MARKED N PARTS SERVICES MARKED N
  P   KIT MARKED P PARTS SERVICES MARKED P
  Y   SEPARATE ILLUSTRATION
 

#SEBP76210205
 

191-7516: SWIVEL GP

191-7516 SWIVEL GP
PART OF 344-8888 LINES GP-TRAVEL MOTOR
ALSO AN ATTACHMENT
i01631480 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-8051 [3] PLUG  
2. 146-4875 [1] SEAL-BACK UP  
3. 146-4877 [1] SEAL-DUST  
4. 169-1134 [1] FLANGE  
5. 169-1135 [1] RING  
6. 193-5330 [7] SEAL AS  
7. 221-0936 [1] SHAFT  
8. 221-0937 [1] HOUSING  
9. 221-0938 [1] PIN  
10. 095-1623 [1] SEAL-O-RING  
11. 095-1710 [1] SEAL-O-RING  
12. 095-1713 [1] SEAL-O-RING  
13. 095-7951 [1] RING-RETAINING  
14. 095-9397 [4] LOCKWASHER  
15. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
 

#SEBP76210206
 

396-1830: TANK & FILTER GP-HYDRAULIC

396-1830 TANK & FILTER GP-HYDRAULIC
PART OF 367-0935 TANK & MTG GP-HYDRAULIC
ALSO AN ATTACHMENT
i05314834 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-3745 [1] CAP-PRESSURE (HYDRAULIC TANK)  
2. 093-5537 [1] VALVE AS-CHECK (HYDRAULIC TANK)  
3. 225-3697 [1] SPRING  
4. 265-8631 [1] COVER AS  
5. 265-8632 [1] COVER  
6. 265-8677 [1] VALVE AS-PRESSURE (HYDRAULIC OIL)  
7. 285-1951 [1] STRAINER-SUCTION (HYDRAULIC TANK)  
8. 304-7196 [1] FILTER ELEMENT-OIL (HYDRAULIC TANK)  
9. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
10. 396-1831 [1] TANK AS-HYDRAULIC  
11. 095-1717 [2] SEAL-O-RING  
12. 148-8410 [1] PLUG AS  
  2M-9780 [1] SEAL-O-RING  
  9S-4190 [1] PLUG-O-RING (7/8-14-THD)  
13. 6D-3479 [1] CLIP (LOOP)  
14. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
15. 8T-4136 M [8] BOLT (M10X1.5X25-MM)  
16. 7Y-1976 E HOSE-WATER (103-CM)  
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76210207
 

367-0935: TANK & MTG GP-HYDRAULIC

367-0935 TANK & MTG GP-HYDRAULIC
PART OF 473-6843 HYDRAULIC AR
ALSO AN ATTACHMENT
i05314830 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 396-1830 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
 

#SEBP76210208
 

448-8298: VALVE & MTG GP-BANK

448-8298 VALVE & MTG GP-BANK
PART OF 449-0428 BLADE AR-STRAIGHT
ALSO AN ATTACHMENT
i05757837 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 415-8416 [1] SUPPORT AS  
  7T-1099 [1] LINK  
  8T-3490 M [4] NUT-WELD (M10X1.5-THD)  
2. 438-8386 Y [1] VALVE GP-MAIN CONTROL  
3. 7X-7729 [4] WASHER (11X25X3-MM THK)  
4. 8T-4121 [5] WASHER-HARD (11X21X2.5-MM THK)  
5. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
6. 8T-4191 M [1] BOLT (M10X1.5X16-MM)  
7. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76210209
 

448-8296: VALVE & MTG GP-CONTROL

448-8296 VALVE & MTG GP-CONTROL -AUXILIARY, BOOM SWING
PART OF 475-9071 CONTROL AR-AUXILIARY
ALSO AN ATTACHMENT
i05756537 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 267-4048 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  267-4047 [1] ELBOW  
2. 282-2310 [1] BRACKET AS  
3. 353-4402 [2] ADAPTER AS  
4. 379-2000 [1] BRACKET AS  
  8T-3490 M [2] NUT-WELD (M10X1.5-THD)  
5. 421-5347 Y [2] VALVE GP-SOLENOID (AUXILIARY, BOOM SWING)  
6. 148-8325 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8641 [1] CONNECTOR  
7. 148-8368 [3] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8627 [1] ELBOW  
8. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4137 M [4] BOLT (M10X1.5X20-MM)  
10. 8T-4200 M [4] BOLT (M8X1.25X16-MM)  
11. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
  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
303E CR Mini Hydraulic Excavator Machine System Specifications
Travel Motor
303E CR Mini Hydraulic Excavator Machine System Specifications
Radiator and Hydraulic Oil Cooler
303E CR Mini Hydraulic Excavator Machine System Specifications
Systems Operation
Swing Motor
303E CR Mini Hydraulic Excavator Hydraulic System
Swing Hydraulic System
303E CR Mini Hydraulic Excavator Hydraulic System
Travel Motor
303E 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
303E CR Mini Hydraulic Excavator Hydraulic System
Travel on Level Ground - Test
303E CR Mini Hydraulic Excavator Hydraulic System
Travel on Level Ground - Test - Optional Test
303E CR Mini Hydraulic Excavator Hydraulic System
Swing Speed and Overswing on Level Ground - Check
303E CR Mini Hydraulic Excavator Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
303E 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}

Caterpillar Parts SIS Catalog 303E CR :

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