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283-0276 CONTROL GP-HYDRAULIC -PILOT OPERATED PART OF 392-7568 OPERATOR AR 305E MINI HYD EXCAVATOR


OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
CYLINDER GP
TANK GP
DRIVE GP
TANK GP
HYDRAULIC GP

MINI HYD EXCAVATOR 305E MINI HYD EXCAVATOR WDL
 305E Mini Hydraulic Excavator WDL00001-UP (MACHINE) SEBP6447 305E WDL   (2012)

OPERATOR STATION

CONTROL GP-HYDRAULIC
391-2471 CONTROL AR-AUXILIARY
470-7717 CONTROL AR-AUXILIARY
CONTROL GP-HYDRAULIC
283-0276 CONTROL GP-HYDRAULIC
CONTROL & MTG GP-PEDAL
272-0474 CONTROL & MTG GP-PEDAL
CONTROL GP-HYDRAULIC HAND
285-8286 CONTROL GP-HYDRAULIC HAND
 

#SEBP64470160
 

283-0276: CONTROL GP-HYDRAULIC

283-0276 CONTROL GP-HYDRAULIC -PILOT OPERATED
PART OF 392-7568 OPERATOR AR
i04958132 SEBP6447
2830276 CONTROL GP-HYDRAULIC Parts scheme
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Parts for your 305E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 154-2198 Y [1] PEDAL GP-FOOT (SWING BOOM)  
2. 162-4578 Y [1] VALVE GP-PILOT (WORK TOOL)  
3. 467-3070 Y [2] VALVE GP-PILOT (JOYSTICK)  
4. 358-9164 Y [1] CONTROL GP-PILOT OPERATED HYD (RH)  
5. 358-9165 Y [1] CONTROL GP-PILOT OPERATED HYD (LH)  
6. 3T-0849 M [6] BOLT-SOCKET HEAD (M6X1X25-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64470161
 

371-2452: CYLINDER GP-BLADE

371-2452 CYLINDER GP-BLADE
85-MM (3.4-IN) BORE X 237.5-MM (9.4-IN) STROKE
PART OF 383-5975 BLADE AR-STRAIGHT
AN ATTACHMENT
i04560851 SEBP6447
3712452 CYLINDER GP-BLADE Parts scheme
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Parts for your 305E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
2. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
3. 378-2520 [1] CYLINDER AS-HYDRAULIC  
4. 378-2521 [1] ROD AS  
5. 277-4127 [1] HEAD  
6. 277-4128 [1] RING  
7. 277-4129 J [1] SEAL  
8. 277-3383 J [1] SEAL  
9. 095-1711 J [1] SEAL-O-RING  
10. 277-4131 J [1] RING  
11. 277-4132 [1] BEARING  
12. 263-9883 J [1] RING-BACKUP  
13. 095-1710 J [1] SEAL-O-RING  
14. 277-4176 [1] PISTON  
15. 263-9886 J [1] SEAL AS  
16. 263-9887 J [1] RING-WEAR  
17. 378-2522 [1] NUT (M36X3-THD)  
18. 277-3392 J [4] SEAL  
19. 265-8723 [2] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  277-4178 J [1] KIT-SEAL (BLADE CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP64470162
 

374-2030: CYLINDER GP-BOOM

374-2030 CYLINDER GP-BOOM
95-MM (3.7-IN) BORE X 649-MM (25.6-IN) STROKE
PART OF 383-5956 BOOM AR
i05009274 SEBP6447
3742030 CYLINDER GP-BOOM Parts scheme
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Parts for your 305E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8726 [2] BUSHING  
2. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
3. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
4. 394-4838 [1] CYLINDER AS  
5. 394-4839 [1] ROD AS  
6. 277-3379 [1] HEAD  
7. 277-3380 [1] RING  
8. 394-4840 J [1] SEAL-LIP TYPE  
9. 095-1713 J [1] SEAL-O-RING  
10. 277-3383 J [1] SEAL  
11. 277-3384 J [1] RING  
12. 277-3385 [1] BEARING  
13. 277-4933 J [1] RING  
14. 095-1712 J [2] SEAL-O-RING  
15. 277-3386 J [2] RING  
16. 277-3388 [1] PISTON  
17. 277-3389 J [1] RING  
18. 277-3390 J [1] RING  
19. 378-2515 [1] NUT (M39X3-THD)  
20. 277-3392 J [4] SEAL  
21. 283-2053 [1] BEARING  
22. 283-2054 [1] TUBE AS  
23. 263-9891 J [1] SEAL-O-RING  
24. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
25. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  394-4841 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP64470163
 

374-3179: CYLINDER GP-BUCKET

374-3179 CYLINDER GP-BUCKET
75-MM (2.95-IN) BORE X 629-MM (24.8-IN) STROKE
PART OF 383-5964 LINKAGE AR-BUCKET
i05009370 SEBP6447
3743179 CYLINDER GP-BUCKET Parts scheme
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Parts for your 305E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8721 [2] BUSHING  
2. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
3. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
4. 394-4849 [1] CYLINDER AS  
5. 379-3521 [1] ROD AS  
6. 277-4160 [1] HEAD  
7. 250-8701 [1] RING-RETAINING  
8. 394-4851 J [1] SEAL-LIP TYPE  
9. 095-1709 J [1] SEAL-O-RING  
10. 277-4161 J [1] SEAL  
11. 277-4162 J [1] RING  
12. 277-4163 [1] BEARING  
13. 250-8718 J [1] RING-BACKUP  
14. 095-1708 J [1] SEAL-O-RING  
15. 277-4164 [1] PISTON  
16. 250-8729 J [1] SEAL AS  
17. 250-8733 J [1] RING-WEAR  
18. 378-2518 M [1] NUT (M33X3-THD)  
19. 277-4134 J [4] SEAL  
20. 277-4166 [1] TUBE AS  
21. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
22. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
23. 263-9891 J [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  394-4852 J [1] KIT-SEAL (BUCKET CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP64470164
 

374-2031: CYLINDER GP-STICK

374-2031 CYLINDER GP-STICK
85-MM (3.4-IN) BORE X 658.5-MM (25.9-IN) STROKE
PART OF 393-0816 STICK AR
i05004509 SEBP6447
3742031 CYLINDER GP-STICK Parts scheme
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Parts for your 305E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8721 [2] BUSHING  
2. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
3. 394-4843 [1] CYLINDER AS-STICK  
4. 394-4844 [1] ROD AS  
5. 277-4127 [1] HEAD  
6. 277-4128 [1] RING  
7. 394-4845 J [1] SEAL-LIP TYPE  
8. 277-4130 J [1] SEAL  
9. 095-1711 J [1] SEAL-O-RING  
10. 277-4131 J [1] RING  
11. 277-4132 [1] BEARING  
12. 263-9883 J [1] RING-BACKUP  
13. 095-1710 J [1] SEAL-O-RING  
14. 277-4133 [1] PISTON  
15. 263-9886 J [1] SEAL AS  
16. 263-9887 J [1] RING-WEAR  
17. 378-2515 [1] NUT (M39X3-THD)  
18. 277-4134 J [4] SEAL  
19. 277-4135 [1] PLUG  
20. 095-1575 J [1] SEAL-O-RING  
21. 277-4138 [25] BALL  
22. 283-2106 [1] BEARING  
   
    AVAILABLE REPAIR KIT(S):
  394-4846 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP64470165
 

376-9683: CYLINDER GP-SWING BOOM

376-9683 CYLINDER GP-SWING BOOM
90-MM (3.6-IN) BORE X 600.5-MM (23.7-IN) STROKE
PART OF 383-5956 BOOM AR
i04589420 SEBP6447
3769683 CYLINDER GP-SWING BOOM Parts scheme
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Parts for your 305E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8725 [2] BUSHING  
2. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
3. 193-1365 [1] PISTON  
4. 193-1367 [2] RING  
5. 193-1368 [1] SEAL  
6. 272-5640 [1] RING  
7. 272-5642 [1] SEAL  
8. 272-5643 [1] RING  
9. 272-5644 [1] SEAL  
10. 272-5645 [4] SEAL  
11. 272-5659 [1] HEAD  
12. 272-5664 [1] BEARING  
13. 272-5689 [1] ROD AS  
14. 294-1867 [1] NUT (M36X4-THD)  
15. 378-9831 [1] CYLINDER AS-SWING BOOM  
16. 093-1513 [1] RING-BACKUP  
17. 095-1623 [1] SEAL-O-RING  
18. 6V-7610 [1] SEAL-O-RING  
 

#SEBP64470166
 

377-8878: DRAIN GP-OIL

377-8878 DRAIN GP-OIL -HYDRAULIC TANK
PART OF 391-2470 HYDRAULIC AR
i04559480 SEBP6447
3778878 DRAIN GP-OIL Parts scheme
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Parts for your 305E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 148-8411 [1] PLUG AS  
  3K-0360 [1] SEAL-O-RING  
  9S-4185 [1] PLUG (3/4-16-THD)  
2. 194-2903 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  8T-0119 [1] ELBOW  
 

#SEBP64470167
 

282-1534: DRIVE GP-SWING

282-1534 DRIVE GP-SWING
PART OF 265-8748 MOTOR & MTG GP-SWING
i03969203 SEBP6447
2821534 DRIVE GP-SWING Parts scheme
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Parts for your 305E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 279-5482 [1] SEAL  
2. 279-5483 [1] HOLDER  
3. 279-5484 [4] RACE  
4. 279-5485 [4] BEARING  
5. 279-5486 [4] GEAR (29-TEETH)  
6. 279-5487 [1] PLATE  
7. 143-2344 [4] SCREW  
8. 279-5488 [1] GEAR (19-TEETH)  
9. 096-8058 [1] RING-RETAINING  
10. 279-5489 [1] HOLDER  
11. 279-5490 [3] WASHER  
12. 143-2350 [3] PLATE  
13. 279-5491 [3] BEARING  
14. 279-5492 [3] GEAR (27-TEETH)  
15. 279-5493 [1] GEAR (22-TEETH)  
16. 139-7308 [1] PLUG  
17. 095-1575 [1] SEAL-O-RING  
18. 279-5494 [1] SEAL-O-RING  
19. 198-7054 [1] CASE  
20. 198-7055 [1] BEARING  
21. 198-7056 [1] SHAFT  
22. 139-7316 [1] PLATE  
23. 139-7320 [1] COLLAR  
24. 139-7321 [1] SPRING  
25. 139-7322 [1] WASHER  
26. 6V-5588 [1] RING-RETAINING  
27. 139-7319 [3] PIN  
28. 279-5495 [1] HOLDER  
29. 191-1321 [1] PLATE  
30. 198-7057 [1] DISK  
31. 198-7058 [1] PISTON  
32. 095-1716 [1] SEAL-O-RING  
33. 095-1721 [1] SEAL-O-RING  
34. 279-5496 [2] SEAT  
35. 198-7060 [1] SPRING  
36. 188-4056 [1] SEAL  
37. 279-5497 [1] COVER  
38. 139-7318 [1] BEARING  
39. 139-7325 [1] PIN  
40. 150-0865 [1] PLATE  
41. 198-7062 [2] PIN  
42. 095-1587 [2] SEAL-O-RING  
43. 8T-3957 M [5] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
44. 279-5498 [1] ORIFICE  
45. 198-7064 [1] VALVE AS (BRAKE CONTROL)  
46. 095-1577 [1] SEAL-O-RING  
47. 095-1580 [2] SEAL-O-RING  
48. 095-1582 [3] SEAL-O-RING  
49. 279-5500 [1] WASHER  
50. 198-7065 [1] SPRING  
51. 095-1585 [1] SEAL-O-RING  
52. 137-3687 [1] PLUG  
53. 279-5501 [2] VALVE GP-RELIEF (SWING DRIVE)  
54. 095-1592 [1] SEAL-O-RING  
55. 095-1578 [1] SEAL-O-RING  
56. 095-9258 [2] RING  
57. 139-7303 [2] VALVE (MAKEUP)  
58. 139-7304 [2] SPRING  
59. 099-7197 [2] PLUG  
60. 191-1342 [1] PLUG  
61. 095-1579 [1] SEAL-O-RING  
62. 279-4706 [2] PLUG  
63. 3J-1907 [2] SEAL-O-RING  
64. 191-1316 [1] KIT-BLOCK  
    (INCLUDES CYLINDER BLOCKS & PISTONS)
65. 279-5503 [1] KIT-PLATE  
    (INCLUDES THRUST PLATES)
66. 279-5504 [1] HOUSING AS-SWING  
67. 324-3368 [2] BOLT-SOCKET HEAD  
   
    AVAILABLE REPAIR KIT(S):
  279-5502 [1] KIT-SEAL (SWING DRIVE)  
    (INCLUDES PLUG, BACK UP RINGS & SEAL-O-RINGS)
  M   METRIC PART
 

#SEBP64470168
 

347-6081: GAUGE GP-SIGHT

347-6081 GAUGE GP-SIGHT -HYDRAULIC OIL LEVEL
PART OF 367-1070 TANK & FILTER GP-HYDRAULIC
i04156660 SEBP6447
3476081 GAUGE GP-SIGHT Parts scheme
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Parts for your 305E 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
 

#SEBP64470169
 

391-2470: HYDRAULIC AR

391-2470 HYDRAULIC AR
PART OF 383-5940 COMMON AR
i04998076 SEBP6447
  For full view, you need register

Parts for your 305E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  Y [1] DRAIN GP-OIL (HYDRAULIC TANK)  
  Y [1] LINES GP-FRONT (BOOM CYLINDER)  
  382-2553 Y [1] LINES GP-FRONT (BOOM LOWERING)  
  377-8858 Y [1] LINES GP-HYDRAULIC PUMP (MAIN)  
  382-2552 Y [1] LINES GP-PILOT  
  Y [1] LINES GP-SWING CYLINDER (BOOM)  
  376-2014 Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
  Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

Information:

Operation and Maintenance Manual
Joystick Controls
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators
Specifications
Handle Control (Travel)
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Blade Hydraulic System
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Hydraulic System
Disassembly and Assembly
Pilot Valve (Travel) - Install
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Pilot Valve (Travel) - Remove
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Pilot Valve (Travel) - Disassemble
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Pilot Valve (Travel) - Assemble
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems

Caterpillar Parts SIS Catalog 305E :

391-2473 CONTROL AR-PILOT HYDRAULIC
470-7717 CONTROL AR-AUXILIARY
391-2471 CONTROL AR-AUXILIARY
377-9768 UNDERCARRIAGE AR
470-7742 TRACK GP
470-7741 TRACK GP
379-4718 TRACK GP
TRACK GP
263-9239 TRACK GP
CYLINDER GP-BLADE
371-2452 CYLINDER GP-BLADE
CYLINDER GP-BOOM
374-2030 CYLINDER GP-BOOM
CYLINDER GP-BUCKET
374-3179 CYLINDER GP-BUCKET
CYLINDER GP-STICK
374-2031 CYLINDER GP-STICK
CYLINDER GP-SWING BOOM
376-9683 CYLINDER GP-SWING BOOM
DRAIN GP-OIL
377-8878 DRAIN GP-OIL
DRIVE GP-SWING
282-1534 DRIVE GP-SWING
GAUGE GP-SIGHT
347-6081 GAUGE GP-SIGHT
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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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