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266-6968 CYLINDER GP-BUCKET 80-MM (3.2-IN) BORE X 629-MM (24.8-IN) STROKE PART OF 383-5962 LINKAGE AR-BUCKET 305.5E




HYDRAULIC SYSTEM

CYLINDER GP
 

#SEBP64500160
 

266-6968: CYLINDER GP-BUCKET

266-6968 CYLINDER GP-BUCKET
80-MM (3.2-IN) BORE X 629-MM (24.8-IN) STROKE
PART OF 383-5962 LINKAGE AR-BUCKET
i04958252 SEBP6450
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Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8721 [2] BUSHING  
2. 272-5673 [1] CYLINDER AS  
3. 272-5674 [1] ROD AS  
4. 272-5675 [1] TUBE AS  
5. 193-1391 [1] PISTON  
6. 294-1867 [1] NUT (M36X4-THD)  
7. 272-5677 [1] HEAD  
8. 193-1393 [2] RING  
9. 193-1394 [1] SEAL  
10. 272-5678 [1] RING  
11. 221-8270 [1] BUSHING  
12. 095-9790 [1] SEAL-U-CUP  
13. 272-5680 [1] RING  
14. 272-5681 [1] SEAL  
15. 095-1622 [1] SEAL-O-RING  
16. 095-1796 [1] RING-BACKUP  
17. 8T-5376 [1] SEAL-O-RING  
18. 272-5665 [4] SEAL  
19. 6V-8398 [1] SEAL-O-RING  
20. 8T-4191 M [1] BOLT (M10X1.5X16-MM)  
21. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
22. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
  M   METRIC PART
 

#SEBP64500161
 

282-1538: CYLINDER GP-STICK

282-1538 CYLINDER GP-STICK
90-MM (3.6-IN) BORE X 740-MM (29.2-IN) STROKE
PART OF 353-2987 STICK AR
i04966151 SEBP6450
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Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8722 [2] BUSHING  
2. 272-5656 [1] CYLINDER AS-STICK  
3. 272-5657 [1] ROD AS  
4. 272-5658 [1] PISTON  
5. 272-5659 [1] HEAD  
6. 272-5660 [1] NUT  
7. 283-3221 [1] BEARING  
8. 272-5662 [1] RING  
9. 272-5663 [1] RING  
10. 193-1367 [2] RING  
11. 193-1368 [1] SEAL  
12. 272-5640 [1] RING  
13. 272-5664 [1] BEARING  
14. 272-5642 [1] SEAL  
15. 272-5643 [1] RING  
16. 272-5644 [1] SEAL  
17. 095-1623 [1] SEAL-O-RING  
18. 093-1513 [1] RING-BACKUP  
19. 6V-7610 [1] SEAL-O-RING  
20. 272-5665 [4] SEAL  
21. 3B-8488 [2] FITTING-GREASE (1/8-27 PTF)  
 

#SEBP64500162
 

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 383-5954 BOOM AR
i04589420 SEBP6450
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Parts for your 305.5E 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  
 

#SEBP64500163
 

377-8878: DRAIN GP-OIL

377-8878 DRAIN GP-OIL -HYDRAULIC TANK
PART OF 393-1263 HYDRAULIC AR
i04559480 SEBP6450
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Parts for your 305.5E 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  
 

#SEBP64500164
 

282-1534: DRIVE GP-SWING

282-1534 DRIVE GP-SWING
PART OF 265-8748 MOTOR & MTG GP-SWING
i03969203 SEBP6450
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Parts for your 305.5E 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
 

#SEBP64500165
 

347-6081: GAUGE GP-SIGHT

347-6081 GAUGE GP-SIGHT -HYDRAULIC OIL LEVEL
PART OF 367-1070 TANK & FILTER GP-HYDRAULIC
i04156660 SEBP6450
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Parts for your 305.5E 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
 

#SEBP64500166
 

393-1263: HYDRAULIC AR

393-1263 HYDRAULIC AR
PART OF 383-5938 COMMON AR
i04966176 SEBP6450
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Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  Y [1] DRAIN GP-OIL  
  Y [1] LINES GP-FRONT (BOOM CYLINDER)  
  382-2553 Y [1] LINES GP-FRONT (BOOM LOWERING)  
  377-8858 Y [1] LINES GP-HYDRAULIC PUMP  
  382-2552 Y [1] LINES GP-PILOT  
  Y [1] LINES GP-SWING CYLINDER  
  376-2015 Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
  Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

#SEBP64500167
 

266-8130: LINES GP-AUXILIARY HYDRAULIC

266-8130 LINES GP-AUXILIARY HYDRAULIC -BOOM
PART OF 393-1264 CONTROL AR-AUXILIARY
AN ATTACHMENT
i04955671 SEBP6450
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Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 093-1291 [8] CLAMP  
2. 279-4754 [1] TUBE AS  
3. 279-4755 [1] TUBE AS  
4. 7J-9108 [4] SEAL-O-RING  
5. 8T-4121 [10] WASHER-HARD (11X21X2.5-MM THK)  
6. 8T-4133 M [2] NUT (M10X1.5-THD)  
7. 8T-4182 M [4] BOLT (M10X1.5X45-MM)  
8. 8T-6466 M [4] BOLT (M10X1.5X60-MM)  
  M   METRIC PART
 

#SEBP64500168
 

393-1267: LINES GP-AUXILIARY HYDRAULIC

393-1267 LINES GP-AUXILIARY HYDRAULIC -STANDARD STICK
PART OF 393-1264 CONTROL AR-AUXILIARY
AN ATTACHMENT
i04958040 SEBP6450
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Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 126-4754 [2] PLUG AS  
    (EACH INCLUDES)
  095-1585 [1] SEAL-O-RING  
2. 268-7306 [2] ADAPTER AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  268-7307 [1] ADAPTER  
3. 344-9313 I [2] HOSE AS  
4. 362-1009 [2] VALVE AS-MANUAL (AUXILIARY HYDRAULIC)  
    (EACH INCLUDES)
  4B-4274 [1] WASHER (5.5X13X1.2-MM THK)  
  8T-0286 M [1] BOLT (M5X0.8X8-MM)  
  195-0090 [1] PLATE  
  314-7327 [2] PLATE  
5. 148-8342 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8632 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
6. 6V-7359 [2] GROMMET (25-MM ID, 37-MM OD)  
7. 8C-7534 [2] CLIP  
8. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4137 M [4] BOLT (M10X1.5X20-MM)  
10. 8T-4192 M [2] BOLT (M12X1.75X25-MM)  
11. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP64500169
 

378-3495: LINES GP-BLADE

378-3495 LINES GP-BLADE -RAISE, LOWER
PART OF 383-5974 BLADE AR-STRAIGHT
AN ATTACHMENT
i04560866 SEBP6450
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Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 292-3366 I [1] HOSE AS  
2. 292-3367 I [1] HOSE AS  
3. 378-3545 [1] COVER  
4. 148-8336 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
5. 148-8353 [3] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9001 [1] ELBOW  
6. 7X-7729 [2] WASHER (11X25X3-MM THK)  
7. 8T-4137 M [2] BOLT (M10X1.5X20-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  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}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{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
Blade Lift Cylinder
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Machine System Specifications
Swing Boom Cylinder
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Machine System Specifications
Boom Cylinder
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Machine System Specifications
Stick Cylinder
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Machine System Specifications
Bucket Cylinder
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Machine System Specifications
Tool Operating Manual
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Systems Operation
Cylinders (Boom, Stick and Bucket)
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Hydraulic System
Blade Hydraulic System
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Hydraulic System
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}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 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 Speed - Check
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators Hydraulic System
Cylinder Drift - Check
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators Hydraulic System
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}
Disassembly and Assembly
Stick Cylinder - Remove and Install
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Boom Cylinder - Remove and Install
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Swing Boom Cylinder - Remove and Install
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Blade Cylinder - Remove and Install
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Bucket Cylinder - Remove and Install
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
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 305.5E :

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