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340-7459 CYLINDER GP-STICK 75-MM (3-IN) BORE X 462-MM (18.2-IN) STROKE PART OF 344-8883, 424-0510 STICK AR-HOE 303E CR


HYDRAULIC SYSTEM
CYLINDER GP
DRIVE GP
TANK GP
HYDRAULIC GP
LINES GP-BUCKET
LINES GP-AUXILIARY

MINI HYD EXCAVATOR 303E CR MINI HYD EXCAVATOR CK3
 303ECR Mini Hydraulic Excavator CK300001-UP (MACHINE) POWERED BY C1.3 Engine M0071204 303E CR CK3   (2016)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP-BUCKET
341-0895 CYLINDER GP-BUCKET
CYLINDER GP-HYDRAULIC
361-1125 CYLINDER GP-HYDRAULIC
CYLINDER GP-STICK
340-7459 CYLINDER GP-STICK
CYLINDER GP-STICK
421-5345 CYLINDER GP-STICK
CYLINDER GP-SWING BOOM
341-0896 CYLINDER GP-SWING BOOM
LINES GP-COUPLER
361-1090 LINES GP-COUPLER
 

#M00712040190
 

340-7459: CYLINDER GP-STICK

340-7459 CYLINDER GP-STICK
75-MM (3-IN) BORE X 462-MM (18.2-IN) STROKE
PART OF 344-8883, 424-0510 STICK AR-HOE
i05306083 M0071204
3407459 CYLINDER GP-STICK Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8488 [2] FITTING-GREASE (1/8-27 PTF)  
2. 422-0718 [1] CYLINDER AS-STICK  
2A. 265-8717 [1] BUSHING  
3. 422-0719 [1] ROD AS  
3A. 265-8717 [1] BUSHING  
4. 304-3537 [1] HEAD  
5. 146-3916 J [1] RING  
6. 146-1086 J [1] RING  
7. 095-1708 J [2] SEAL-O-RING  
8. 281-2316 J [1] RING  
9. 095-1709 J [1] SEAL-O-RING  
10. 422-0720 [1] PISTON  
11. 192-0684 J [1] SEAL AS  
12. 281-2315 J [2] RING  
13. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
14. 146-3969 [1] BALL  
15. 278-9127 [1] BEARING  
16. 278-9128 [1] SEAL  
17. 278-9129 [2] STOP  
18. 278-9130 [1] RING  
19. 192-0638 [4] SEAL  
   
    AVAILABLE REPAIR KIT(S):
  281-2322 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00712040191
 

421-5345: CYLINDER GP-STICK

421-5345 CYLINDER GP-STICK
S/N FR31-UP
75-MM (3-IN) BORE X 462-MM (18.2-IN) STROKE
PART OF 424-0510 STICK AR-HOE
i05314852 M0071204
4215345 CYLINDER GP-STICK Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8488 [2] FITTING-GREASE (1/8-27 PTF)  
2. 430-4681 [1] CYLINDER AS-STICK  
2A. 265-8717 [1] BUSHING  
3. 422-0719 [1] ROD AS  
3A. 265-8717 [1] BUSHING  
4. 304-3537 [1] HEAD  
5. 146-3916 J [1] RING  
6. 146-1086 J [1] RING  
7. 095-1708 J [1] SEAL-O-RING  
8. 281-2316 J [1] RING  
9. 095-1709 J [1] SEAL-O-RING  
10. 422-0720 [1] PISTON  
11. 192-0684 J [1] SEAL AS  
12. 281-2315 J [2] RING  
13. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
14. 146-3969 [1] BALL  
15. 278-9127 [1] BEARING  
16. 278-9128 [1] SEAL  
17. 278-9129 [2] STOP  
18. 278-9130 [1] RING  
19. 430-4682 [1] TUBE AS  
20. 338-1704 [1] PLUG  
21. 095-1594 [2] SEAL-O-RING  
22. 192-0638 [4] SEAL  
   
    AVAILABLE REPAIR KIT(S):
  281-2322 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00712040192
 

341-0896: CYLINDER GP-SWING BOOM

341-0896 CYLINDER GP-SWING BOOM
80-MM (3.2-IN) BORE X 478-MM (18.9-IN) STROKE
PART OF 499-7035, 499-7036 BOOM AR
i05314831 M0071204
3410896 CYLINDER GP-SWING BOOM Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
2. 422-0724 [1] CYLINDER AS-SWING BOOM  
2A. 265-8717 [1] BUSHING  
3. 422-0725 [1] ROD AS  
3A. 265-8717 [1] BUSHING  
4. 294-7869 [1] HEAD  
5. 146-3916 J [1] RING  
6. 146-1086 J [1] RING  
7. 095-1709 J [1] SEAL-O-RING  
8. 237-6124 J [1] RING  
9. 095-1710 J [1] SEAL-O-RING  
10. 237-6135 [1] PISTON  
11. 146-3923 J [1] SEAL AS  
12. 237-6136 J [2] RING  
13. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
14. 146-3969 [1] BALL  
15. 192-0638 [4] SEAL  
   
    AVAILABLE REPAIR KIT(S):
  279-7940 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00712040193
 

417-1054: DRIVE GP-SWING

417-1054 DRIVE GP-SWING
PART OF 399-9368 MOTOR & MTG GP-SWING
i05326360 M0071204
4171054 DRIVE GP-SWING Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 460-0248 [1] HOUSING AS  
2. 460-0249 [1] HOLDER  
3. 139-7350 [1] WASHER  
4. 198-7042 [3] RACE  
5. 198-7043 [3] BEARING  
6. 460-0250 [3] BEARING  
7. 460-0251 [1] PLATE  
8. 460-0252 [1] GEAR  
9. 139-7308 [1] PLUG  
10. 095-1575 [1] SEAL-O-RING  
11. 279-5494 [1] SEAL-O-RING  
12. 460-0253 [1] CASE  
13. 139-7317 [1] BEARING  
14. 460-0254 [1] SHAFT  
15. 139-7316 [1] PLATE  
16. 139-7320 [1] COLLAR  
17. 139-7321 [1] SPRING  
18. 139-7322 [1] WASHER  
19. 6V-5588 [3] RING-RETAINING  
20. 139-7319 [1] PIN  
21. 279-5495 [1] HOLDER  
22. 191-1321 [1] PLATE  
23. 198-7057 [1] DISK  
24. 198-7058 [1] PISTON  
25. 095-1716 [1] SEAL-O-RING  
26. 095-1721 [1] SEAL-O-RING  
27. 198-7059 [2] SEAT  
28. 198-7060 [1] SPRING  
29. 188-4056 [1] SEAL  
30. 279-5497 [1] COVER  
31. 139-7318 [1] BEARING  
32. 139-7325 [1] PIN  
33. 150-0865 [1] PLATE  
34. 198-7062 [2] PIN  
35. 095-1587 [2] SEAL-O-RING  
36. 8T-3957 M [5] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
37. 279-5498 [1] ORIFICE  
38. 198-7064 [1] VALVE AS (BRAKE CONTROL)  
39. 095-1577 [1] SEAL-O-RING  
40. 095-1580 [1] SEAL-O-RING  
41. 095-1582 [3] SEAL-O-RING  
42. 9X-8256 [1] WASHER (6.6X12X2-MM THK)  
43. 198-7065 [1] SPRING  
44. 095-1585 [1] SEAL-O-RING  
45. 137-3687 [1] PLUG  
46. 460-0255 [2] VALVE AS  
47. 139-7303 [2] VALVE (MAKEUP)  
48. 139-7304 [2] SPRING  
49. 099-7197 [2] PLUG  
50. 191-1342 [1] PLUG  
51. 095-1579 [1] SEAL-O-RING  
52. 279-4706 [2] PLUG  
53. 101-7402 M [2] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
54. 191-1316 [1] KIT-BLOCK  
   
    AVAILABLE REPAIR KIT(S):
  279-5502 [1] KIT-SEAL (SWING DRIVE)  
  M   METRIC PART
 

#M00712040194
 

347-6081: GAUGE GP-SIGHT

347-6081 GAUGE GP-SIGHT -HYDRAULIC OIL LEVEL
PART OF 396-1830 TANK & FILTER GP-HYDRAULIC
i04156660 M0071204
3476081 GAUGE GP-SIGHT Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 347-6082 [2] BLOCK  
2. 236-3259 M [2] BOLT-SPECIAL  
3. 236-3257 [1] PIPE  
4. 6F-6672 [4] SEAL-O-RING  
5. 6F-4855 [4] SEAL-O-RING  
  M   METRIC PART
 

#M00712040195
 

505-6086: HYDRAULIC AR

505-6086 HYDRAULIC AR
S/N CK31-UP
PART OF 499-4787 COMMON AR
i06804059 M0071204
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  398-0761 Y [1] LINES GP-FRONT (BOOM CYLINDER)  
  505-6093 Y [1] LINES GP-FRONT  
  398-0757 Y [1] LINES GP-HYDRAULIC PUMP  
  398-0759 Y [1] LINES GP-PILOT  
  292-8289 Y [1] LINES GP-SWING CYLINDER (BOOM)  
  425-1997 Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
  367-0935 Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

#M00712040196
 

505-6087: HYDRAULIC AR

505-6087 HYDRAULIC AR -CRANE
S/N FR31-UP
PART OF 499-4792 COMMON AR
i06804044 M0071204
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  509-9624 Y [1] LINES GP-BOOM CHECK VALVE  
  505-6093 Y [1] LINES GP-FRONT  
  398-0757 Y [1] LINES GP-HYDRAULIC PUMP  
  398-0759 Y [1] LINES GP-PILOT  
  292-8289 Y [1] LINES GP-SWING CYLINDER (BOOM)  
  425-1997 Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
  367-0935 Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

#M00712040197
 

397-9594: LINES AR-BUCKET

397-9594 LINES AR-BUCKET
AN ATTACHMENT
i05299609 M0071204
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  344-8885 Y [1] LINES GP-BUCKET  
  Y   SEPARATE ILLUSTRATION
 

#M00712040198
 

524-3319: LINES AR-BUCKET

524-3319 LINES AR-BUCKET -LONG STICK
S/N CK31-UP
AN ATTACHMENT
i07228794 M0071204
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  Y [1] LINES GP-BUCKET (LONG STICK)  
  Y   SEPARATE ILLUSTRATION
 

#M00712040199
 

344-8896: LINES GP-AUXILIARY HYDRAULIC

344-8896 LINES GP-AUXILIARY HYDRAULIC -BOOM
PART OF 506-6111, 540-4549 CONTROL AR-AUXILIARY
AN ATTACHMENT
i05299601 M0071204
3448896 LINES GP-AUXILIARY HYDRAULIC Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 093-1290 [8] CLAMP  
2. 346-1325 [1] TUBE AS  
3. 346-1326 [1] TUBE AS  
4. 6V-8398 [4] SEAL-O-RING  
5. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
6. 8T-4182 M [4] BOLT (M10X1.5X45-MM)  
7. 8T-4186 M [4] BOLT (M10X1.5X40-MM)  
  M   METRIC PART
 

Information:

Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Specifications
Stick Cylinder
303E CR Mini Hydraulic Excavator Machine Systems
Bucket Cylinder
303E CR Mini Hydraulic Excavator Machine Systems
Blade Lift Cylinder
303E CR Mini Hydraulic Excavator Machine Systems
Boom Cylinder
303E CR Mini Hydraulic Excavator Machine Systems
Swing Boom Cylinder
303E CR Mini Hydraulic Excavator Machine Systems
Systems Operation
Cylinders (Boom, Stick and Bucket)
303E CR Mini Hydraulic Excavator Machine Systems
Blade Hydraulic System
303E CR Mini Hydraulic Excavator Machine Systems
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Contamination Control Guidelines
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Applied Failure Analysis
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Testing and Adjusting
Cylinder Drift - Check
303E CR Mini Hydraulic Excavator Machine Systems
Cylinder Speed - Check
303E CR Mini Hydraulic Excavator Machine Systems
Bench Test Procedures
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Service Magazine
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}

Caterpillar Parts SIS Catalog 303E CR :

CYLINDER GP-HYDRAULIC
361-1125 CYLINDER GP-HYDRAULIC
CYLINDER GP-BUCKET
341-0895 CYLINDER GP-BUCKET
CYLINDER GP-BOOM
502-3495 CYLINDER GP-BOOM
CYLINDER GP-BOOM
421-5343 CYLINDER GP-BOOM
CYLINDER GP-BLADE
340-7462 CYLINDER GP-BLADE
CONTROL GP-HYDRAULIC
283-0276 CONTROL GP-HYDRAULIC
424-0513 CONTROL AR-PILOT HYDRAULIC
424-0511 CONTROL AR-PILOT HYDRAULIC
CYLINDER GP-STICK
421-5345 CYLINDER GP-STICK
CYLINDER GP-SWING BOOM
341-0896 CYLINDER GP-SWING BOOM
DRIVE GP-SWING
417-1054 DRIVE GP-SWING
GAUGE GP-SIGHT
347-6081 GAUGE GP-SIGHT
505-6086 HYDRAULIC AR
505-6087 HYDRAULIC AR
397-9594 LINES AR-BUCKET
524-3319 LINES AR-BUCKET
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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
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