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524-0076 CYLINDER & LINES GP-STICK 95-MM (3.7-IN) BORE X 885-MM (35-IN) STROKE PART OF 514-8067 CYLINDER & LINES GP-STICK AN ATTACHMENT 308




HYDRAULIC SYSTEM

CYLINDER GP
 

#M00961250210
 

524-0076: CYLINDER & LINES GP-STICK

524-0076 CYLINDER & LINES GP-STICK
95-MM (3.7-IN) BORE X 885-MM (35-IN) STROKE
PART OF 514-8067 CYLINDER & LINES GP-STICK
AN ATTACHMENT
i07488336 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
2. 544-4208 [1] KIT-BUSHING  
    (INCLUDES BUSHINGS & WIPER SEALS)
3. 544-4209 [1] KIT-TUBE  
    (INCLUDES PIPE AS, CLIP & O-RING)
4. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  544-4207 [1] KIT-SEAL  
    (INCLUDES WIPER, RING, O-RING, ROD SEAL, BUFFER RING, BUSHING, RING RETAINER, O-RING SEALS, BACKUP RINGS, WEAR RINGS, PISTON SEAL & DUST RINGS)
  M   METRIC PART
 

#M00961250211
 

524-0077: CYLINDER & LINES GP-STICK

524-0077 CYLINDER & LINES GP-STICK
95-MM (3.7-IN) BORE X 885-MM (34.8-IN) STROKE
PART OF 576-4975 BOOM AR, 514-8074, 519-8825 LINES AR-STICK
AN ATTACHMENT
i07478165 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
2. 8T-4137 M [3] BOLT (M10X1.5X20-MM)  
3. 565-9459 [1] TUBE AS  
4. 565-9461 [1] PLATE AS  
5. 523-7889 [1] VALVE GP-LOAD CONTROL  
6. 568-0081 [1] TUBE AS  
   
    AVAILABLE REPAIR KIT(S):
  544-4207 [1] KIT-SEAL  
    (INCLUDES WIPER, RING, O-RING, ROD SEAL, BUFFER RING, BUSHING, RING RETAINER, O-RING SEALS, BACKUP RINGS, WEAR RINGS, PISTON SEAL & DUST RINGS)
  544-4208 [1] KIT-BUSHING  
    (INCLUDES BUSHINGS & WIPER SEALS)
  M   METRIC PART
 

#M00961250212
 

305-6780: CYLINDER & LINES GP-THUMB

305-6780 CYLINDER & LINES GP-THUMB
PART OF 305-6741 THUMB AR
AN ATTACHMENT
i06265926 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 108-7251 [2] CONNECTOR  
2. 280-2652 [2] VALVE-BALL  
3. 294-0973 [1] TOOL  
4. 305-6716 Y [1] CYLINDER GP-THUMB  
5. 305-6759 I [2] HOSE AS  
6. 439-5338 [1] BRACKET  
7. 439-5339 [1] BRACKET  
8. 148-8364 [2] ELBOW AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8625 [1] ELBOW  
9. 148-8393 [2] ELBOW AS  
    (EACH INCLUDES)
  6V-9852 [1] ELBOW (SWIVEL)  
  7J-9108 [1] SEAL-O-RING  
10. 148-8446 [2] TEE AS-SWIVEL  
    (EACH INCLUDES)
  6V-9838 [1] TEE-SWIVEL  
  7J-9108 [2] SEAL-O-RING  
11. 3K-0360 [2] SEAL-O-RING  
12. 6V-8398 [2] SEAL-O-RING  
13. 9X-6581 [2] NUT-O-RING SEAL (1-14-THD)  
14. 6V-8939 [2] REDUCER-O-RING  
15. 7J-9108 [2] SEAL-O-RING  
16. 8T-4139 M [4] BOLT (M12X1.75X30-MM)  
17. 6V-1889 [2] CLIP (LOOP)  
18. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
19. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
20. 8T-4133 M [2] NUT (M10X1.5-THD)  
21. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00961250213
 

374-1857: CYLINDER GP-BLADE

374-1857 CYLINDER GP-BLADE
120-MM (4.8-IN) BORE X 157-MM (6.2-IN) STROKE
PART OF 512-2524, 512-2526 BLADE AR-STRAIGHT
AN ATTACHMENT
i04550471 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 392-4598 [1] ROD AS  
2. 392-4599 [1] HEAD  
3. 392-4600 [1] CYLINDER AS  
4. 418-5329 [1] PISTON  
5. 418-5330 [1] KIT-SEAL (CYLINDER HEAD)  
    (INCLUDES LIP SEAL, RETAINING RINGS, O-RING SEALS, SEAL AS, BUFFER RING, BEARING & BACKUP RING)
6. 418-5332 [1] KIT-PISTON SEAL (BLADE CYLINDER)  
    (INCLUDES DUST RINGS, GUIDE RINGS & SEAL AS)
7. 418-5333 [1] KIT-PISTON (BLADE CYLINDER)  
    (INCLUDES STEEL BALL & PLATE)
8. 418-5334 [1] KIT-BUSHING (BLADE CYLINDER)  
    (INCLUDES BUSHINGS & WIPER SEALS)
9. 096-3216 M [1] SETSCREW-SOCKET (M12X1.75X12-MM)  
10. 452-2753 [1] FITTING-GREASE  
11. 418-5335 [1] NUT  
  M   METRIC PART
 

#M00961250214
 

521-2883: CYLINDER GP-BUCKET

521-2883 CYLINDER GP-BUCKET
85-MM (3.3-IN) BORE X 742-MM (29.2-IN) STROKE
PART OF 516-7070, 521-7589 LINKAGE AR-BUCKET, 576-4977, 576-4979 STICK AR
AN ATTACHMENT
i07488995 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
3. 565-9464 [1] KIT-SEAL  
    (INCLUDES WIPER, RING, O-RING, ROD SEAL, RING BUFFER, BUSHING, RETAINER RING, O-RING SEALS, BACKUP RINGS, WEAR RINGS, PISTON RING, DUST RINGS, BACKUP RINGS)
4. 565-9470 [1] KIT-BUSHING  
    (INCLUDES BUSHINGS, WIPER SEALS)
5. 565-9473 [1] TUBE AS  
  M   METRIC PART
 

#M00961250215
 

485-5289: CYLINDER GP-COUPLER

485-5289 CYLINDER GP-COUPLER
PART OF 361-1153, 485-5245 LOCK GP-QUICK COUPLER
AN ATTACHMENT
i07307740 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 216-9060 [1] PLUG  
2. 361-1128 [1] SEAL  
3. 361-1140 [1] PISTON  
4. 479-0646 N [1] VALVE AS-COUNTERBALANCE  
5. 485-5284 [1] KIT-SEAL  
    (INCLUDES PARTS MARKED J IN THE GRAPHICS)
6. 485-5285 [1] PISTON  
7. 485-5286 [1] ROD AS  
8. 4D-2297 [1] SEAL-O-RING  
9. 6V-5192 M [1] BOLT-SOCKET HEAD (M8X1.25X30-MM)  
   
    AVAILABLE REPAIR KIT(S):
  499-9314 N [1] KIT-SEAL (COUNTERBALANCE VALVE)  
    (INCLUDES RING-BACK UPS & O-RING SEALS)
  M   METRIC PART
  N   KIT MARKED N SERVICES PART(S) MARKED N
 

#M00961250216
 

305-6716: CYLINDER GP-THUMB

305-6716 CYLINDER GP-THUMB
PART OF 305-6780 CYLINDER & LINES GP-THUMB
AN ATTACHMENT
i06265927 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 276-4170 [1] PISTON  
2. 276-4171 [1] HEAD  
3. 282-6836 [1] STOP  
4. 305-6713 [1] ROD AS  
5. 305-6714 [1] CYLINDER AS (THUMB)  
6. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)(HYDRAULIC)  
7. 9R-0320 [4] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  276-4172 [1] KIT-SEAL  
    (INCLUDES SEALS, RINGS & SETSCREW)
 

#M00961250217
 

519-8850: CYLINDER GP-VARIABLE ADJ BOOM

519-8850 CYLINDER GP-VARIABLE ADJ BOOM
100-MM (4-IN) BORE X 372-MM (14.6-IN) STROKE
PART OF 514-8074 LINES AR-STICK
AN ATTACHMENT
i07482960 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NO BREAKDOWN OF SERVICEABLE PARTS AVAILABLE AT TIME OF PUBLICATION)
 

#M00961250218
 

515-3268: FILTER GP-OIL

515-3268 FILTER GP-OIL -HYDRAULIC FILTER
PART OF 513-1375, 551-2207 TANK & FILTER GP-HYDRAULIC
i07527455 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 519-9926 [1] FILTER ELEMENT AS-OIL  
2. 6V-5657 [1] SEAL-O-RING  
3. 054-6854 [1] SEAL-O-RING  
4. 105-3484 M [4] BOLT-SOCKET HEAD (M10X1.5X25-MM)  
5. 549-2188 [1] COVER AS-FILTER  
  M   METRIC PART
 

#M00961250219
 

550-1905: GUARD AS-BLADE CYLINDER

550-1905 GUARD AS-BLADE CYLINDER
PART OF 512-2524, 512-2526 BLADE AR-STRAIGHT
AN ATTACHMENT
i07473682 M0096125
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Parts for your 308 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 550-1904 [1] GUARD AS-CYLINDER  
2. 8T-4192 M [3] BOLT (M12X1.75X25-MM)  
3. 8T-4223 [3] WASHER-HARD (13.5X25.5X3-MM THK)  
  M   METRIC PART
 

Information:

Special Instruction
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}
Technical Information Bulletin
Tee Assembly Fitting is Not Included in Thumb Kits for Certain 308 Mini Hydraulic Excavators {5057, 5362}
Tee Assembly Fitting is Not Included in Thumb Kits for Certain 308 Mini Hydraulic Excavators {5057, 5362}
Specifications
Cylinder (Thumb)
307, 308, 309 and 310 EXCAVATOR
Blade Lift Cylinder
307, 308, 309 and 310 EXCAVATOR
Cylinder Mounting - Thumb
307, 308, 309 and 310 EXCAVATOR
Bucket Cylinder
307, 308, 309 and 310 EXCAVATOR
Swing Boom Cylinder
307, 308, 309 and 310 EXCAVATOR
Boom Cylinder
307, 308, 309 and 310 EXCAVATOR
Boom Cylinder - Variable Angle Boom
307, 308, 309 and 310 EXCAVATOR
Stick Cylinder
307, 308, 309 and 310 EXCAVATOR
Boom Cylinder
307, 308, 309 and 310 EXCAVATOR
Stick Cylinder
307, 308, 309 and 310 EXCAVATOR
Cylinder Guard
307, 308, 309 and 310 EXCAVATOR
Systems Operation
Boom Cylinder
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine System
Boom Cylinder - Swing Boom
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine System
Stick Cylinder
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine System
Bucket Cylinder
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine System
Blade Hydraulic System
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine System
Blade Cylinder
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine 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}
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
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine System
Cylinder Speed - Check
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine 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
Offset Boom Cylinder - Remove and Install
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine Systems
Blade Cylinder - Remove and Install
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine Systems
Bucket Cylinder - Remove and Install
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine Systems
Stick Cylinder - Remove and Install
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine Systems
Stick Cylinder - Disassemble
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine Systems
Stick Cylinder - Assemble
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine Systems
Boom Cylinder - Remove and Install
307.5, 308, 308.5, 309, and 310 Mini Hydraulic Excavator Machine Systems

Caterpillar Parts SIS Catalog 308 :

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